0 Mullard Space Science Laboratory, University College London, Holmbury Saint Mary, Dorking, Surrey RH5 6NT, UK Mullard Space Science Laboratory, University College London, Holmbury Saint Mary, Dorking, Surrey RH5 6NT, UK Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking, Surrey RH5 6NT, UK 1 Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking RH5 6NT, UK Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking RH5 6NT, UK Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking RH5 6NT 2 Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT, UK Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT, UK 3 Mullard Space Science Laboratory, University College London, Holmbury StMary, Dorking, Surrey RH5 6NT Mullard Space Science Laboratory, University College London, Holmbury StMary, Dorking, Surrey RH5 6NT Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking, Surrey RH5 6NT 4 Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking RH5 6NT, Surrey, UK Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking RH5 6NT, Surrey, UK 5 Mullard Radio Astronomy Observatory, Cavendish Laboratory, Madingley Road, Cambridge CB3 0HE, UK Mullard Radio Astronomy Observatory, Cavendish Laboratory, Madingley Road, Cambridge CB3 0HE, UK 6 Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UK Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UK Department of Physics & Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UK 7 Physics Department, University of Durham, South Road, Durham DH1 3LE Physics Department, University of Durham, South Road, Durham DH1 3LE Physics Department, University of Durham, South Road, Durham DH1 3LE, UK 8 Physics Department, University of Durham, Durham DH1 3LE, UK Physics Department, University of Durham, Durham DH1 3LE, UK 9 Bell Telephone Laboratories, Inc., Murray Hill, N.J. Bell Telephone Laboratories, Inc., Murray Hill, N.J. Bell Telephone Laboratories, Inc., Murray Hill, NJ 10 Bell Telephone Laboratories, Murray Hill, NJ Bell Telephone Laboratories, Murray Hill, NJ 11 California, University, Santa Barbara, and Berkeley, CA California, University, Santa Barbara, and Berkeley, CA California, University, Santa Barbara and Berkeley, CA 12 California, University, Santa Cruz and Livermore, Calif. California, University, Santa Cruz and Livermore, Calif. 13 University of Illinois-at Urbana Champaign, Urbana, Illinois, US University of Illinois-at Urbana Champaign, Urbana, Illinois, US 14 Tata Institute of Fundamental Research, Bombay 400 005, India Tata Institute of Fundamental Research, Bombay 400 005, India 15 CNR, Laboratorio di Fisica Cosmica, Milan, Italy CNR, Laboratorio di Fisica Cosmica, Milan, Italy 16 Universities Space Research Association, Huntsville, AL, US Universities Space Research Association, Huntsville, AL, US 17 Universities Space Research Association, Greenbelt, MD, US Universities Space Research Association, Greenbelt, MD, US 18 Universities Space Research Association, Columbia, MD, US Universities Space Research Association, Columbia, MD, US Universities Space Research Association, Columbia, MD 19 Universities Space Research Association, Chicago, IL, US Universities Space Research Association, Chicago, IL, US 20 Universities Space Research Association, Seabrook, MD, US Universities Space Research Association, Seabrook, MD, US 21 Universities Space Research Association, Washington, DC, US Universities Space Research Association, Washington, DC, US 22 Franklin Institute, Bartol Research Foundation, Newark, DE Franklin Institute, Bartol Research Foundation, Newark, DE Franklin Institute, Bartol Research Foundation, Newark, Del. 23 University Research Foundation, Greenbelt, MD University Research Foundation, Greenbelt, MD 24 MIT Center for Space Research, Cambridge, MA, US MIT Center for Space Research, Cambridge, MA, US 25 Osservatorio Astrofiscio di Arcetri, Firenze, Italy Osservatorio Astrofiscio di Arcetri, Firenze, Italy 26 Universidad Nacional Autonoma de Mexi Universidad Nacional Autonoma de Mexi 27 University of Puerto Rico, Cayey University of Puerto Rico, Cayey 28 Melbourne, University, Australia Melbourne, University, Australia 29 Pittsburgh, University, Pittsburgh, PA Pittsburgh, University, Pittsburgh, PA 30 Toledo, University, Ohio Toledo, University, Ohio 31 Ankara, University Observatory Ankara, University Observatory 32 Missouri, University, St. Louis, Mo. Missouri, University, St. Louis, Mo. 33 Bristol, University, Bristol, England Bristol, University, Bristol, England 34 Salonika, University, Salonika, Greece Salonika, University, Salonika, Greece 35 Northwestern University, Evanston, IL, US Northwestern University, Evanston, IL, US 36 Michigan State University, East Lansing, Mich. Michigan State University, East Lansing, Mich. 37 San Jose State University, San Jose, Calif. San Jose State University, San Jose, Calif. 38 Ankara Univ. Observatory, Turkey Ankara Univ. Observatory, Turkey 39 Vanerbilt University, Nashville, TN, US Vanerbilt University, Nashville, TN, US Vanderbilt University, Nashville, TN, US 40 Nebraska, University, Lincoln, Neb. Nebraska, University, Lincoln, Neb. 41 New Hampshire, University, Durham, N.H. New Hampshire, University, Durham, N.H. 42 McGill University, Montreal, Canada McGill University, Montreal, Canada 43 Maryland, University, College Park, Md. Maryland, University, College Park, Md. Maryland University, College Park, MD Maryland University, College Park, Md. Maryland, University, College Park, MD 44 Teikyo University, Utsunomiya, Japan Teikyo University, Utsunomiya, Japan 45 Arizona, University. Tucson Arizona, University. Tucson 46 New York University, New York, NY, US New York University, New York, NY, US 47 Ege University, Bornovo, Turkey Ege University, Bornovo, Turkey 48 Oklahoma, University, Norman Oklahoma, University, Norman 49 Florida, University, Gainesville Florida, University, Gainsville Florida, University, Gainesville 50 Copenhagen University Observatory Copenhagen University Observatory 51 Paris XI, Univ., Orsay, France Paris XI, Univ., Orsay, France Paris VI, Univ., Orsay, France 52 Iowa State University, Ames Iowa State University, Ames 53 Center for High-Energy Astrophysics, Amsterdam, Netherlands Center for High-Energy Astrophysics, Amsterdam, Netherlands Center for High Energy Astrophysics, Amsterdam, Netherlands 54 Utrecht, Sterrekundig Instituut, Utrecht, Netherlands Utrecht, Sterrekundig Instituut, Utrecht, Netherlands 55 Manchester, Victoria University, Manchester, England Manchester, Victoria University, Manchester, England Manchester, Victoria University, Machester, England 56 Max-Planck-Institut fuer extraterrestrische Physik, Garching Max-Planck-Institut fuer extraterrestrische Physik, Garching, West Max-Planck-Institut fuer extraterrestrische Physik, Garching, W Max-Planck-Institut fuer extraterrestrische Physik, Garching Max-Planck-Institut fuer Extraterrestrische Physik, Garching Max-Planck-Institut fuer Extraterrestrische Physik, Germany 57 Tata Institute of Fundamental Research, Ootacamud, India Tata Institute of Fundamental Research, Ootacamud, India Tata Institute of Fundamental Research, Oatacamund, India 58 CNR, Gruppo Nazionale per l'Astronomia, Florence, Italy CNR, Gruppo Nazionale per l'Astronomia, Florence, Italy 59 Andalucia, Instituto de Astrofisica, Granada, Spain Andalucia, Instituto de Astrofisica, Granada, Spain Andalucia, Instituto de Astrofisica, Apartado, Spain 60 Universidad Nacional Autonoma de Mexico, Coyoatlan Universidad Nacional Autonoma de Mexico, Coyoacan Universidad Nacional Autonoma de Mexico, Coyoatlan Universidad Nacional Autonoma de Mexico, Coyoacan Universidad Nacional Autonoma de Mexico, Coyoatlan 61 Universidad Nacional Autonoma de Mexico, Mexico City Universidad Nacional Autonoma de Mexico, Mexico City Universidad Nacional Autonoma de Mexico Mexico City 62 Universidad Nacional Autonoma de Mexico, Alvaro Obregon Universidad Nacional Autonoma de Mexico, Alvaro Obregon 63 CNR, Istituto di Fisica Cosmica, Milan, Italy CNR, Istituto di Fisica Cosmica, Milan, Italy 64 CNR, Istituto di Fisica dell'Atmosfera, Rome, Italy CNR, Istituto di Fisica dell'Atmosfera, Rome, Italy 65 New South Wales Univ., Kensington, Australia New South Wales Univ., Kensington, Australia 66 Tata Institute for Fundamental Studies, Bombay, India Tata Institute for Fundamental Studies, Bombay, India 67 CNR, Laboratorio Astrofisica Spaziale, Frascati, Italy CNR, Laboratorio Astrofisica Spaziale, Frascati, Italy CNR, Laboratorio di Astrofisca Spaziale, Frascati, Italy 68 Instituto de Astrofisica, Granada, Spain Instituto de Astrofisica, Granada, Spain 69 Istituto di Astrofisica Spaziale, Franscati, Italy Istituto di Astrofiscia Spaziale, Frascati, Italy Istituto di Astrofisica Spaziale, Franscati, Italy Instituto di Astrofisica Spaziale, Frascati, Italy Istituto di Astrofisica Spaziale, Frascati, Italy Instituto de Astrofisica Spaziale, Franscati, Italy 70 Polska Akademia Nauk, Centrum Astronomiczne, Warsaw, Poland Polska Akademia Nauk, Centrum Astronomiczne, Warsaw, Poland Polska Akademia Nauk Centrum Astronomiczne, Warsaw, Poland Polska Akademia Nauk, Centrum Astronomiczne, Wasraw, Poland Polska Akademia Nauk, Centrum Astronomiczne, Warszawa, Poland Polska Akademia Nauk, Centrum Astronomiczne, Torun, Poland 71 Kyushu-Tokai Univ., Kumamoto, Japan Kyushu-Tokai Univ., Kumamoto, Japan 72 Imperial College of Science and Technology, London, England Imperial College of Science and Technology, London, England 73 Chinese Academy of Sciences, Nanjing, China Chinese Academy of Sciences, Nanjing, China Chinese Academy of Sciences, Kunming, China Chinese Academy of Sciences, Nanjing, China Chinese Academy of Sciences, Kunming, China Chinese Academy of Sciences, Nanjing, China Chinese Academy of Sciences, Kunming, China Chinese Academy of Sciences, Nanjing, China Chinese Academy of Sciences, Kunming, China 74 Osservatorio Astrofisico di Arcetri, Firenze, Italy Osservatorio Astrofisica di Arcetri, Firenze, Italy Osservatorio Astrofisico di Arcetri, Firenze, Italy Osservatorio Astrofisico di Aretri, Firenze, Italy Osservatorio Astrofisica di Arcetri, Firenze, Italy Osservatorio Astrofisico di Arcetri, Firenze, Italy Osservatorio Astrofisico di Aretri, Firenze, Italy Osservatorio Astrofisico di Arcetri, Firenze, Germany Osservatorio Astrofisco di Arcetri, Firenze, Italy 75 Russian Academy of Science, Nizhny Novgorod, Russia Russian Academy of Science, Nizhny Novgorod, Russia Russian Academy of Sciences, Nizhnij Novgorod, Russia 76 Sonneberg, Sternwarte, Federal Republic of Germany Sonneberg, Sternwarte, Federal Republic of Germany 77 Russian Academy of Sciences, Sankt-Petersburg, Russia Russian Academy of Sciences, Sankt-Petersburg, Russia Russian Academy of Sciences, Saint-Petersburg, Russia Russian Academy of Sciences, Sankt-Petersburg, Russia Russian Academy of Sciences, Saint-Petersburg, Russia 78 CNR, Gruppo Nazionale di Astronomia, Padua, Italy CNR, Gruppo Nazionale di Astronomia, Padua, Italy 79 National Radio Astronomy, Tucson, AZ, US National Radio Astronomy, Tucson, AZ, US 80 Yamanashi Univ., Takeda, Japan Yamanashi Univ., Takeda, Japan 81 Canarias, Instituto de Astrofisica, La Laguna, Spain Canarias, Instituto de Astrofisica, La Laguna, Spain 82 Russian Academy of Sciences, Nizhny Arkhyz, Russia Russian Academy of Sciences, Nizhny Arkhyz, Russia 83 Observatoire Astronomique du Mont Megantic, Megantic, Quebec, Canada Observatoire Astronomique du Mont Megantic, Megantic, Quebec, Canada 84 Observatoire Astronomique du Mont Megantic, Quebec Observatoire Astronomique du Mont Megantic, Quebec 85 Istituto di Astrofisica Spaziale CNR, Frascati, Italy Istituto di Astrofisica Spaziale CNR, Frascati, Italy Istituto di Astrofisica Spaziale (CNR), Frascati, Italy 86 CNR, Istituto di Astrofisica Spaziale, Frascati, Italy CNR, Istituto di Astrofisica Spatiale, Frascati, Italy CNR, Istituto de Astrofisica Spaziale, Frascati, Italy CNR, Istituto di Astrofiscia Spaziale, Frascati, Italy CNR, Instituto di Astrofisica Spaziale, Frascati, Italy CNR, Istituto di Astrofisica Spatiale Frascati, Italy CNR, Istituto di Astrofisica Spaziole, Frascati, Italy CNR, Istituto di Astrofisica Spaziale, Frascati, Italy CNR, Istituto di Astrifisica Spaziale, Frascati, Italy CNR Istituto di Astrofisica Spaziale, Frascati, Italy CNR, Istituto di Astrofisica Spatiale, Frascati, Italy CNR, Istituto de Astrofisica Spaziale, Frascati, Italy CNR, Istituto di Astrofiscia Spaziale, Frascati, Italy CNR, Instituto di Astrofisica Spaziale, Frascati, Italy CNR, Istituto di Astrofisica Spatiale Frascati, Italy CNR, Istituto di Astrofisica Spaziole, Frascati, Italy CNR, Istituto di Astrofisica Spaziale, Frascati, Italy CNR, Istituto di Astrifisica Spaziale, Frascati, Italy CNR Istituto di Astrofisica Spaziale, Frascati, Italy 87 Osservatorio Astronomico di Padova, Padova, Italy Osservatorio Astronomico di Padova, Padova, Italy Observatario Astronomico di Padova, Padova, Italy Osservatorio Astronomico di Pavdova, Padova, Italy 88 Osservatorio Astrofisico di Catania, Catania, Italy Osservatorio Astrofisico di Catania, Catania, Italy Osservatorio Astrofisica di Catania, Catania, Italy Osservatorio Astrofisco di Catania, Catania, Italy 89 CONICET, Instituto Argentino de Radioastronomia, Villa Elisa CONICET, Instituto Argentino de Radioastronomia, Villa Elisa 90 Moskovskii Gosudarstvennyi Universitet, Moscow, Russia Moskovskii Gosudarstvennyi Universitet, Moscow, Russia 91 Tata Institute for Fundamental Research, Bangalore, India Tata Institute for Fundamental Research, Bangalore, India 92 Osservatorio Astronomico di Roma, Roma, Italy Osservatorio Astronomico di Roma, Roma, Italy 93 Australia Telescope National Facility, Epping, NSW, Australia Australia Telescope National Facility, Epping, NSW, Australia Australia Telescope National Facility, Epping NSW, Australia Australia Telescope National Facility, Epping, Australia 94 Nuffield Radio Astronomy Observatories, Jodrell Bank, England Nuffield Radio Astronomy Observatories, Jodrell Bank, England 95 Nuffield Radio Astronomy Laboratories, Jodrell Bank, Chesire, UK Nuffield Radio Astronomy Laboratories, Jodrell Bank, Chesire, UK 96 CEA, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette, France CEA, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette, France CEA, Centre d'Etudes Nucleaires de Saclay, Gif-Sur-Yvette, France CEA, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette, France CEA, Centre d'Etudes Nucleaires de Saclay, Gif-Sur-Yvette, France 97 Observatoire Astronomique du Mont Megantique, Quebec, Canada Observatoire Astronomique du Mont Megantique, Quebec, Canada 98 Manchester, Victoria University, Manchester and Jodrell Bank, Ches., England Manchester, Victoria University, Manchester and Jodrell Bank, Ches., England 99 Manchester, Victoria, University, Jodrell Bank, Ches., England Manchester, Victoria, University, Jodrell Bank, Ches., England lManchester, Victoria University, Jodrell Bank, Ches., England Manchester, Victoria University, Jodrell Bank, Ches., England 100 Smithsonian Astrophysical Observatory and Harvard College Observatory, Cambridge, Mass. Smithsonian Astrophysical Observatory and Harvard College Observatory, Cambridge, Mass. Smithsonian Astrophysical Observatory, and Harvard College Observatory, Cambridge, Mass. 101 Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0EZ 102 Haute-Provence, Observatoire, Saint-Michel-l'Observatoire, Alpes-de-Haute-Provence, France Haute-Provence, Observatoire, Saint-Michel-l'Observatoire, Alpes-de-Haute-Provence, France Haute Provence, Observatoire, Saint-Michel-l'Observatoire, Alpes-de-Haute-Provence, France Haute-Provence, Observatoire, Saint-Michel l'Observatoire, Alpes-de-Haute-Provence, France Haute-Provence Observatoire, Saint-Michel-l'Observatoire, Alpes-de-Haute-Provence, France Haute-Provence, Observatoire, Saint-Michel-l'Observatoire, Alpes-de-Hautes-Provence, France Haute-Provence, Observatoire, Saint-Michel-L'Observatoire, Alpes-de-Haute-Provence, France Haute-Provence, Observatoire, Saint-Michel l'Observatoire, Alpes-de-Haut-Provence, France Haute-Provence, Observatoire, Saint Michel-l'Observatoire, Alpes-de-Haute-Provence, France Haute-Provence, Observatoire Saint-Michel-l'Observatoire, Alpes-de-Haute-Provence, France Haute-Provence Observatoire, Saint-Michel l'Observatoire, Alpes-de-Haute-Provence, France Haute Province, Observatoire, Saint-Michel-l'Observatoire, Alpes-de-Haute-Province, France 103 Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH 104 Department of Physics and Astronomy, Leicester University, University Road, Leicester LE1 7RH, UK Department of Physics and Astronomy, Leicester University, University Road, Leicester LE1 7RH, UK 105 Mullard Radio Astronomy Observatory, Cavendish Laboratory, Madingley Road, Cambridge CB3 0HE Mullard Radio Astronomy Observatory, Cavendish Laboratory, Madingley Road, Cambridge CB3 0HE 106 Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, 85740 Garching bei Munchen, Germany Max-Planck-Istitut fur Astrophysik, Karl-Schwarzschild-Strasse 1, 85748 Garching bei Munchen, Germany Max Planck Institute fur Astrophysik, Karl-Schwarzschild-Strasse 1, 85740 Garching bei Munchen, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, D-85740 Garching bei Munchen, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, 85748 Garching bei Munchen, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, 85740 Garching bei Munchen, Germany 107 Max-Planck-Institut fur Physik and Astrophysik, Karl-Schwarzschild Strasse 1, D-85740 Garching, Germany Max-Planck-Institut fur Physik and Astrophysik, Karl-Schwarzschild Strasse 1, D-85740 Garching, Germany 108 Harvard College Observatory and Smithsonian Astrophysical Observatory, Center for Astrophysics, Cambridge, Mass. Harvard College Observatory and Smithsonian Astrophysical Observatory, Center for Astrophysics, Cambridge, Mass. 109 New Mexico Institute of Mining and Technology, Socorro, NM, US New Mexico Institute of Mining and Technology, Socorro, NM, US New Mexico Institute of Mining and Technology, Socorro, N. Mex. 110 Purple Mountain Observatory, Nanjing, China Purple Mountain Observatory, Nanjing, China 111 Tata Institute of Fundamental Research, Bombary, India Tata Institute of Fundamental Research, Bombary, India 112 California State University, Fullerton, CA California State University, Fullerton, CA 113 Bell Telephone Laboratories, Inc., Crawford Hill, N.J. Bell Telephone Laboratories, Inc., Crawford Hill, N.J. 114 New Mexico Institute of Mining and Technology, Socorro New Mexico Instituite of Mining and Technology, Socorro New Mexico Institute of Mining and Technology, Socorro, NM New Mexico Institute of Mining and Technology, Socorro New Mexico Institute of Mining and Technology, Soccoro New Mexico Institute for Mining and Technology, Socorro 115 California, University, Berkeley and Irvine California, University, Berkeley and Irvine 116 NASA. Goddard Institute for Space Studies, New York, NY, US NASA. Goddard Institute for Space Studies, New York, NY, US 117 Canadian Inst. for Theoretical Astrophysics, Toronto Canadian Inst. for Theoretical Astrophysics, Toronto 118 Space Telescopic Science Institute, Baltimore, Maryland, US Space Telescopic Science Institute, Baltimore, Maryland, US Space Telescope Science Institute, Baltimore, Maryland, US 119 University of Washington, Seattle, Washington, US University of Washington, Seattle, Washington, US 120 Observatoire Astronomique de Mont Megantic, Montreal, Canada Observatoire Astronomique de Mont Megantic, Montreal, Canada 121 Franklin Institute Bartol Research Foundation, Swarthmore, Pa. Franklin Institute Bartol Research Foundation, Swarthmore, Pa. Franklin Institute, Bartol Research Foundation, Swarthmore, Pa. 122 Observatorio Interamericano de Cerro Tololo, Tucson, Ariz. Observatorio Interamericano de Cerro Tololo, Tucson, Ariz. Observatorio Interamericano de Cerro Tololo, Tucson, AZ 123 Harvard-Smithsonian Center for Astrophysics, US Harvard-Smithsonian Center for Astrophysics, US 124 CEA, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette CEA, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette 125 Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank, England Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank, England 126 Nuffield Radio Astronomy Observatory, Jodrell Bank, Ches., England Nuffield Radio Astronomy Observatory, Jodrell Bank, Ches., England 127 Osservatorio Astronomico di Capodimonte, Naples, Italy Osservatorio Astronomico di Capodimonte, Naples, Italy Osservatorio Astronomico de Capodimonte, Naples, Italy Osservatorio Astronomica di Capodimonte, Napoli, Italy Osservatorio Astronomico di Capodimonte, Napoli, Italy 128 Osservatorio Astronomico Universitario, Bologna, Italy Osservatorio Astronomico Universitario, Bologna, Italy 129 Observatoire Astronomique du Mont Megantic, Quebec, Canada Observatoire Astronomique du Mont Megantic, Quebec, Canada Observatoire Astronomique du Mont Megantic Quebec, Canada 130 Torun Radio Astronomy Observatory, Poland Torun Radio Astronomy Observatory, Poland 131 Nuffield Radio Astronomy Laboratories, Jodrell Bank, England Nuffield Radio Astronomy Laboratories, Jodrell Bank, England 132 The Australia Telecope National Facility, Epping, Australia The Australia Telecope National Facility, Epping, Australia 133 Manchester, Victoria University, Macclesfield, Ches., England Manchester, Victoria University, Macclesfield, Ches., England 134 Nuffield Radio Astronomy Laboratories, Macclesfield, England Nuffield Radio Astronomy Laboratories, Macclesfield, England 135 Manchester, Victoria University, Jodrell Bank, England Manchester, Victoria University, Jodrell Bank, England Manchester, Victoria University, Jordell Bank, England 136 Observatorio Astronomico de Cerro Tololo, La Serena, Chile Observatorio Astronomico de Cerro Tololo, La Serena, Chile 137 Osservatorio Astronomico di Padova, Sede di Asiago, Italy Osservatorio Astronomico di Padova, Sede di Asiago, Italy 138 Osservatario Astronomico di Bologna, Bologna, Italy Osservatario Astronomico di Bologna, Bologna, Italy Osservatorio Astronomico di Bologna, Bologna, Italy 139 Manchester, University, Jodrell Bank, England Manchester, University, Jodrell Bank, England 140 CONYCET, Instituto Argentino de Radioastronomia, Villa Elisa, Argentina CONICET, Instituto Argentino de Radioastronomia, Villa Elisa, Angentina CONYCET, Instituto Argentino de Radioastronomia, Villa Elisa, Argentina CONICET, Instituto Argentino de Radioastronomia, Villa Elisa, Argentina CONICET, Instituto Argentino de Radioastronomia, Vila Elisa, Argentina CONICET, Instituto Argentino de Radioastromia, Villa Elisa, Argentina CONICET, Instituto Argentina de Radioastronomia, Villa Elisa, Argentina 141 Instituto Argentino de Radioastronomia, Villa Elisa, Argentina Instituto Argentino de Radioastronomia, Villa Elisa, Argentina Instituto Argentino di Radioastronomia, Villa Elisa, Argentina Inst. Argentino de Radioastronomia, Villa Elisa, Argentina 142 Canadian Institute for Theoretical Astrophysics, Toronto, Ontario, Canada Canadian Institute for Theoretical Astrophysics, Toronto, Ontario, Canada 143 Kiel, Univ., Inst. fuer Theoretische Physik und Sternwarte Kiel, Univ., Inst. fuer Theoretische Physik und Sternwarte 144 Observatoire de la Cote d'Azur, Nice, France Observatoire de la Cote d'Azur, Nice, France Observatoire de la Cote-d'Azur, Nice, France Observatoire de Cote d'Azur, Nice, France 145 Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette, France Centre d'Etude Nucleaires de Saclay, Gif-sur-Yvette, France Centre d'Etudes Nucleaires de Saclay, Gif sur Yvette, France Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette, France 146 New Mexico Inst. of Mining and Technology New Mexico Inst. of Mining and Technology 147 Queensland, University, Brisbane, Australia Queensland, University, Brisbane, Australia 148 Kyoto University, Sakyo, Japan Kyoto University, Sakyo, Japan 149 Abril Univ., Iraq Abril Univ., Iraq 150 Leiden, Sterrewacht Leiden, Sterrewacht 151 Copenhagen University, Denmark Copenhagen University, Denmark 152 Western Ontario, University, London, CA Western Ontario, University, London, CA 153 Crete Univ., Heraklion, Greece Crete Univ., Heraklion, Greece 154 Firenze Universita, Florence, Italy Firenze Universita, Florence, Italy Firenze, Universita, Florence, Italy 155 NASA, Infrared Telescope Facility, Mauna Kea NASA, Infrared Telescope Facility, Mauna Kea 156 Rostovskii Gosudarstvennyi Universitet, Rostov-on-Don, USSR Rostovskii Gosudarstvennyi Universitet, Rostov-on-Don, USSR 157 Moskovskii Gosudarstvennyi Institut, Moscow, USSR Moskovskii Gosudarstvennyi Institut, Moscow, USSR 158 Tata Institute of Fundamental Research, Bombay, India Tata Institute of Fundamental Research, Bombay, India Tati Institute of Fundamental Research, Bombay, India Tata Inst. of Fundamental Research, Bombay, India Tata Institute of Fundamental Research, Ootmund, India 159 Tata Inst. of Fundamental Research, Pune, India Tata Inst. of Fundamental Research, Pune, India Tata Inst. of Fundamental Research, Pouna, India 160 CNR, Gruppo Nazionale per l'Astronomia, Padua CNR, Gruppo Nazionale per l'Astronomia, Padua 161 Instituo Astrofiscia Spaziale, Frascati, Italy Instituo Astrofiscia Spaziale, Frascati, Italy Istituto Astrofisica Spaziale, Frascati, Italy 162 International Centre for Theoretical Physics International Centre for Theoretical Physics 163 Onsala Space Observatory, S-43900 Onsala, Sweden Onsala Space Observatory, S-43900 Onsala, Sweden 164 Andalucia, Instituto de Astrofisica, Granada Andalucia, Instituto de Astrofisica, Granada 165 University of Illinois, Champaign, Urbana, IL, US University of Illinois, Champaign, Urbana, IL, US 166 Istituto Astrofisica Spaziale, CNR, Frascati, Italy Istituto Astrofisica Spaziale, CNR, Frascati, Italy Istituto di Astrofisica Spaziale, CNR, Frascati, Italy 167 CNR, Istituto Astrofisica Spaziale, Frascati, Italy CNR, Istituto Astrofisica Spaziale, Frascati, Italy 168 Bell Telephone Laboratories, Inc., Murray Hill Bell Telephone Laboratories, Inc., Murray Hill 169 CEA, Centre d'Etudes Nucleaires de Saclay, France CEA, Centre d'Etudes Nucleaires de Saclay, France 170 Sterrewacht Sonnenborgh, Utrecht, Netherlands Sterrewacht Sonnenborgh, Utrecht, Netherlands 171 London, Univ. College, Dorking, United Kingdom London, Univ. College, Dorking, United Kingdom London Univ. College, Dorking, United Kingdom 172 National Research Council, British Columbia, Canada National Research Council, British Columbia, Canada 173 Chalmers Tekniska Hogskola, Goteborg, Sweden Chalmers Tekniska Hogskola, Goteborg, Sweden 174 Centre d'Etudes de Saclay, Gif-sur-Yvette, France Centre d'Etudes de Saclay, Gif-sur-Yvette, France 175 Eotvos Lorand Tudomanyegyetem, Budapest, Hungary Eotvos Lorand Tudomanyegyetem, Budapest, Hungary 176 Dwingeloo Radio Observatory, Dwingeloo, Netherlands Dwingeloo Radio Observatory, Dwingeloo, Netherlands 177 Westerbork, Radiosterrewacht, Zwiggelte, Netherlands Westerbork, Radiosterrewacht, Zwiggelte, Netherlands Westerbork, Radiosterrenwacht Zwiggelte, Netherlands Westerbork, Radiosterrewacht Zwiggelte, Netherlands 178 Observatoire Royal de Belgique, Brussels, Belgium Observatoire Royal de Belgique, Brussels, Belgium Observatoire, Royal de Belgique, Brussels, Belgium Observatoire Royale de Belgique, Brussels, Belgium Observatoire Royal de Belgique, Bruxelles, Belgium Observatoire Royal de Belgique, Brussells, Belgium 179 Observatoire de la Cote d'Azur, Grasse, France Observatoire de la Cote d'Azur, Grasse, France 180 Max-Planck-Institut fuer Chemie, Mainz, West Germany Max-Planck-Institut fuer Chemie, Mainz, West Germany 181 Max-Planck-Institut fuer Physik, Muenchen, Germany Max-Planck-Institut fuer Physik, Muenchen, Germany 182 University of Amsterdam, Amsterdam, Netherlands University of Amsterdam, Amsterdam, Netherlands 183 Astronomisches Rechen-Institut, Heidelberg, West Germany Astronomisches Rechen-Institut, Heidelberg, West Germany Astronomisches Recheninstitut, Heidelberg, West Germany 184 National Center for Atmospheric, Boulder, CO, US National Center for Atmospheric, Boulder, CO, US 185 Cordoba, Universidad Nacional, Cordoba, Argentina Cordoba, Universidad Nacional, Cordoba, Argentina 186 Utrecht, Rijksuniversitet, Utrecht, Netherlands Utrecht, Rijksuniversitet, Utrecht, Netherlands 187 Landessternwarte, Koenigstuhl, Heidelberg, West Germany Landessternwarte Koenigstuhl, Heidelberg, West Germany Landessternwarte, Koenigstuhl, Heidelberg, West Germany 188 Bonn, Universitaet, Sternwarte, West Germany Bonn, Universitaet, Sternwarte, West Germany 189 Landessternwarte Heidelberg, Heidelberg, Germany Landessternwarte Heidelberg, Heidelberg, Germany 190 Univ. of Montreal, Montreal, Quebec, Canada Univ. of Montreal, Montreal, Quebec, Canada Univ. de Montreal, Montreal, Quebec, Canada 191 CNR, Laboratorio Fisica Cosmica, Milan, Italy CNR, Laboratorio Fisica Cosmica, Milan, Italy 192 Osservatorio Astronomico di Padova, Italy Osservatorio Astronomico di Padova, Italy Osservartorio Astronomico di Padova, Italy 193 CNR, Istituto di Cosmogeofisica, Turin, Italy CNR, Istituto di Cosmogeofisica, Turin, Italy CNR, Istituto di Cosmo-Geofisica, Turin, Italy CNR, Istituto di Cosmo-geofisica, Turin, Italy 194 Univ. Nacional Autonoma de Mexico, Apdo, Mexico Univ. Nacional Autonoma de Mexico, Apdo, Mexico 195 Australia Telescope National Facility, Epping Australia Telescope National Facility, Epping 196 Ecole Polytechnique, Palaiseau, Essonne, France Ecole Polytechnique, Palaiseau, Essonne, France 197 Keele, University, Keele, Staffs., England Keele, University, Keele, Staffs., England 198 Open University, Milton Keynes, England Open University, Milton Keynes, England 199 Manchester, Victoria University, United Kingdom Manchester, Victoria University, United Kingdom 200 Manchester, Victoria University, Manchester Manchester, Victoria University, Manchester 201 Wellington, Victoria University, New Zealand Wellington, Victoria University, New Zealand 202 Manchester, Victoria University, England Manchester, Victoria University, England 203 Hannover, Universitaet, Hanover, West Germany Hannover, Universitaet, Hanover, West Germany 204 ESA, Astronomy Div., Noordwijk, Netherlands ESA, Astronomy Div., Noordwijk, Netherlands 205 Koenigsstuhl, Landessternwarte, Heidelberg, West Germany Koenigsstuhl, Landessternwarte, Heidelberg, West Germany Koenigstuhl Landessternwarte, Heidelberg, West Germany Koenigstuhl, Laudessternwarte, Heidelberg, West Germany Koenigstuhl, Landesternwarte, Heidelberg, West Germany 206 Muenster, Universitaet, Muenster, West Germany Muenster, Universitaet, Muenster, West Germany 207 University of Amsterdam, Amsterdam, The Netherlands University of Amsterdam, Amsterdam, The Netherlands 208 Dwingeloo, Radiosterrewacht, Dwingeloo, Netherlands Dwingeloo, Radiosterrewacht, Dwingeloo, Netherlands Dwingeloo Radiosterrenwacht, Dwingeloo, Netherlands Dwingeloo, Radiosterrenwacht, Dwingeloo, Netherlands 209 Dwingeloo, Radiosterrenwacht, Netherlands Dwingeloo, Radiosterrenwacht, Netherlands 210 Leicester, University, Leicester, England Leicester, University, Leicester, England Leicester, University, Leicester England 211 Essex, University, Colchester, England Essex, University, Colchester, England 212 Universities Space Research Association, Washington, DC Universities Space Research Association, Washington, DC 213 Universities Space Research Association, Greenbelt, MD Universities Space Research Association, Greenbelt, MD University Space Research Association, Greenbelt, MD 214 Universities Space Research Association, Huntsville, AL Universities Space Research Association, Huntsville, AL 215 NASA, Goddard Inst. for Space Studies, New York NASA, Goddard Inst. for Space Studies, New York 216 Nasa, Goddard Institute for Space Studies, New York Nasa, Goddard Institute for Space Studies, New York 217 Athens, National Observatory, Athens, Greece Athens, National Observatory, Athens, Greece 218 Glasgow University Observatory, Glasgow, Scotland Glasgow University Observatory, Glasgow, Scotland Glasgow, University, Observatory, Glasgow, Scotland 219 Imperial College of Science and Technology, London Imperial College of Science and Technology, London 220 National Astronomical Observatory National Astronomical Observatory 221 CSIRO, Australia Telescope National Facility, Parkes CSIRO, Australia Telescope National Facility, Parkes 222 NASA, Infrared Telescope Facility, Mauna Kea, HI NASA, Infrared Telescope Facility, Mauna Kea, HI 223 NASA, Infrared Telescope Facility, Honolulu, HI NASA, Infrared Telescope Facility, Honolulu, HI 224 Kiel, Univ., Inst. fuer Theoretische Physik und Sternwarte, Germany Kiel, Univ., Inst. fuer Theoretische Physik und Sternwarte, Germany 225 Max-Planck-Inst. fuer Kernphysik, Heidelberg, Germany Max-Planck-Inst. fuer Kernphysik, Heidelberg, Germany 226 Indian Inst. of Astrophysics, Koramangala, Bangalore, India Indian Inst. of Astrophysics, Koramangala, Bangalore, India 227 Observatorio Interamericano de Cerro Tololo, La Serena Observatorio Interamericano de Cerro Tololo, La Serena 228 New Mexico Inst. of Mining and Technology, Socorro, NM, US New Mexico Inst. of Mining and Technology, Socorro, NM, US 229 University of Wisconsin-Madison, Madison, WI, US University of Wisconsin-Madison, Madison, WI, US 230 Landessternwarte Konigstuhl (LSW), D-69117 Heidelberg, Germany Landessternwarte Konigstuhl (LSW), D-69117 Heidelberg, Germany 231 Landessternwarte Heidelberg-Koenigstuhl, Heidelberg, Germany Landessternwarte Heidelberg-Koenigstuhl, Heidelberg, Germany 232 Landessternwarte Heidelberg-Konistuhl, Heidelberg, Germany Landessternwarte Heidelberg-Konistuhl, Heidelberg, Germany 233 Bonn, Universitaet, Sternwarte, Federal Republic of Germany Bonn, Universitaet, Sternwarte, Federal Republic of Germany Kiel, Universitaets-Sternwarte, Federal Republic of Germany 234 Goettingen, Universitaets-Sternwarte, Federal Republic of Germany Goettingen, Universitaets-Sternwarte, Federal Republic of Germany Goettingen, Universitaetssternwarte, Federal Republic of Germany 235 Muenchen, Universitaets-Sternwarte, Munich, Federal Republic of Germany Muenchen, Universitaetssternwarte, Munich, Federal Republic of Germany Muenchen, Universitaet, Sternwarte, Munich, Federal Republic of Germany Muenchen, Universitaets-Sternwarte, Munich, Federal Republic of Germany 236 Space Telescope Science Institute, Baltimore, MD 21218, USA Space Telescope Science Institute, Baltimore, MD 21218, USA 237 Space Telescope Scientific Institute, Baltimore, MD, US Space Telescope Scientific Institute, Baltimore, MD, US 238 International Centre for Theoretical Astrophysics, Italy International Centre for Theoretical Astrophysics, Italy 239 Observatorio Interamericano de Cerro, Tololo, La Serena, Chile Observatorio Interamericano de Cerro Tololo, La Serene, Chile Observatorio Interamericano de Cerro Tololo la Serena, Chile Observatorio Interamericano de Cerro Telolo, La Serena, Chile Observatorio Intermericano de Cerro Tololo, La Serena, Chile Observatorio Interamericano de Cerro Tololo, la Serena, Chile Observatorio Interamericano de Cerra Tololo, La Serena, Chile Observatorio Interamericano de Cerro Talolo, La Serena, Chile Observatorio Interamericano de Cerro, Tololo, La Serena, Chile Observatorio interamericano de Cerro Tololo, La Serena, Chile Obsevatorio Interamericano de Cerro Tololo, La Serena, Chile Observatorio Interamericano de Cerro-Tololo, La Serena, Chile Observatorio Interamericano de Cerro Tololo, La Serena, Chile Observatorio Interamericano de Cerro Totolo, La Serena, Chile 240 Centre for High-Energy Astrophysics, Netherlands Centre for High-energy Astrophysics, Netherlands Centre for High-Energy Astrophysics, Netherlands Centre for High Energy Astrophysics, Netherlands Center for High-Energy Astrophysics, Netherlands Center for High Energy Astrophysics, Netherlands 241 Canadian Institute for Theoretical Astrophysics, Toronto Canadian Institute for Theoretical Astrophysics, Toronto 242 National Center for Atmospheric Research, Boulder, Colo. National Center for Atmospheric Research, Boulder, Colo. 243 CNR, Laboratorio di Astrofisica Spaziale, Frascati, Italy CNR, Laboratorio di Astrofisica Spaziale, Frascati, Italy 244 Tata Inst. of Fundamental Research, Colaba, Bombay, India Tata Inst. of Fundamental Research, Colaba, Bombay, India 245 Moskovskii Gosudarstvennyi Universitet, Nauchny, Ukrainian SSR Moskovskii Gosudarstvennyi Universitet, Nauchny, Ukrainian SSR 246 Tata Institute of Fundamental Research, Pune, India Tata Institute of Fundamental Research, Pune, India 247 Nordisk Institut for Teoretisk Atomfysik, Copenhagen, Denmark Nordisk Institut for Teoretisk Atomfysik, Copenhagen, Denmark Nordisk Institute for Teoretisk Atomfysik, Copenhagen, Denmark Nordisk Institut for Teoritisk Atomfysik, Copenhagen, Denmark Nordisk Institut for Teoretisk Atomphysik, Copenhagen, Denmark Nordisk Institut for Teoretisk Atmofysik, Copenhagen, Denmark 248 Specola Vaticana Castel Gandolfo, Vatican City State Specola Vaticana Castel Gandolfo, Vatican City State 249 Franklin Institute, Bartol Research Foundation, Wilmington, Del. Franklin Institute, Bartol Research Foundation, Wilmington, Del. 250 Polska Akademia Nauk, Centrum Badan Kosmicznych, Warsaw, Poland Polska Akademia Nauk, Centrum Badan Kosmicznych, Warsaw, Poland Polska Akademia Nauk, Centrum Badan Kosmicznykh Warsaw, Poland Polska Akademia Nauk, Centrum Badan Kosmicznych, Warsaw, Poland Polska Akademia Nauk, Centrum Badan Kosmicznykh Warsaw, Poland 251 Polska Akademia Nauk, Instytut Astronomiczny, Warsaw, Poland Polska Akademia Nauk, Instytut Astronomiczmy, Warsaw, Poland Polska Akademia Nauk, Instytut Astronomiczny, Warsaw, Poland Polska Akademia Nauk, Instytut Astronomiczny, Torun, Poland 252 National Research Council of Canada, Herzberg Inst. for Astrophysics, Ottawa National Research Council of Canada, Herzberg Inst. for Astrophysics, Ottawa National Research Council of Canada, Herzberg Inst. of Astrophysics, Ottawa National Research Council of Canada, Herzberg Inst. for Astrophysics, Ottawa National Research Council of Canada, Herzberg Inst. of Astrophysics, Ottawa 253 Beijing University, Beijing, People's Republic of China Beijing University, Beijing, People's Republic of China 254 Fudan University, Shanghai, People's Republic of China Fudan University, Shanghai, People's Republic of China 255 Zhongshan University, Guangzhou, People's Republic of China Zhongshan University, Guangzhou, People's Republic of China 256 National Research Council of Canada, Victoria, BC, CA National Research Council of Canada, Victoria, BC, CA National Research Council of Canada, Victoria, BC, Canada 257 National Research Council, Victoria, BC, Canada National Research Council, Victoria, BC, Canada National Research Council, Victoria, B.C., Canada 258 National Center for Atmospheric Research, Boulder, Colorado, US National Center for Atmospheric Research, Boulder, Colorado, US 259 Tata Institute of Fundamental Research, Ootacamund, India Tata Institute of Fundamental Research, Ootacamund, India 260 Tata Institute of Fundamental Research, Poona, India Tata Institute of Fundamental Research, Poona, India 261 Berlin Technische Universitaet, Berlin, West Germany Berlin Technische Universitaet, Berlin, West Germany Berlin, Technische Universitaet, Berlin, West Germany Berlin Technische Universitaet, Berlin, West Germany Berlin, Technische Universitaet, Berlin, West Germany 262 Hannover, Technische Universitaet, Hanover, West Germany Hannover, Technische Universitaet, Hanover, West Germany 263 Koeln, Universitaet, Cologne, Federal Republic of Germany Koeln, Universitaet, Cologne, Federal Republic of Germany 264 New Mexico Inst. of Mining and Technology, Socorro New Mexico Inst. of Mining and Technology, Socorro 265 New Mexico Institute of Mining and Technology New Mexico Institute of Mining and Technology 266 Western Ontario Univ., London, Ontario, Canada Western Ontario Univ., London, Ontario, Canada 267 La Plata, Universidad Nacional, La Plata, Argentina La Plata, Universidad Nacional, La Plata, Argentina 268 Queen's University at Kingston, Kingston, Ontario, Canada Queen's University at Kingston, Kingston, Ontario, Canada 269 California, University, Santa Barbara, Calif. California, University, Santa Barbara, Calif. 270 Windsor, University, Windsor, Ontario, Canada Windsor, University, Windsor, Ontario, Canada 271 McMaster University, Hamilton, Ontario, Canada McMaster University, Hamilton, Ontario, Canada McMaster University, Hamilton, Ontario, Canda 272 Kingston, Queen's University, Kingston, Ontario, Canada Kingston, Queen's University, Kingston, Ontario, Canada 273 Toronto, University, West Hill, Ontario, Canada Toronto, University, West Hill, Ontario, Canada 274 California, University, Davis and Livermore, Calif. California, University, Davis and Livermore, Calif. 275 Laurentian University, Sudbury, Ontario, Canada Laurentian University, Sudbury, Ontario, Canada 276 CNR, Gruppo Nazionale per l'Astronomia, Padua, Italy CNR, Gruppo Nazionale per l'Astronomia, Padua, Italy 277 ESA, Space Science Dept., Noordwijk, Netherlands ESA, Space Science Dept., Noordwijk, Netherlands ESA, Space Science Div., Noordwijk, Netherlands 278 National Research Council of Canada, Ottawa, Canada National Research Council of Canada, Ottawa, Canada 279 Universities Space Research Association, Flagstaff, AZ Universities Space Research Association, Flagstaff, AZ 280 Simon Frazer University, Burnaby, Canada Simon Frazer University, Burnaby, Canada 281 National Center for Atmospheric Research, Boulder, CO National Center for Atmospheric Research, Boulder, CO 282 Center for High-Energy Astrophysics, Amsterdam Center for High-Energy Astrophysics, Amsterdam Center for High Energy Astrophysics, Amsterdam 283 Universidad de Chile, Santiago de Chile, Chile Universidad de Chile, Santiago de Chile, Chile 284 Westerbork, Radiosterrenwacht, Zwiggelte, Netherlands Westerbork, Radiosterrenwacht, Zwiggelte, Netherlands 285 The Queen's University of Belfast, Northern Ireland, UK The Queen's University of Belfast, Northern Ireland, UK 286 Leiden Rijksuniversiteit, Sterrewacht, Leiden, Netherlands Leiden, Rijksuniversiteit, Sterewacht, Leiden, Netherlands Leiden Rijksuniversiteit, Sterrewacht, Leiden, Netherlands Leiden, Rijksuniversiteit, Sterrenwacht, Leiden, Netherlands Leiden, Rijksuniversiteit, Sterrewacht, Leiden, Netherlands Leiden, Rijksuniversiteit Sterrewacht, Leiden, Netherlands Leiden, Rijksuniversitet, Sterrewacht, Leiden, Netherlands 287 Tianjin Normal University, People's Republic of China Tianjin Normal University, People's Republic of China Nanjing Normal University, People's Republic of China Tianjin Normal University, People's Republic of China Nanjing Normal University, People's Republic of China 288 Stanford University, Medical Center, Stanford, Calif. Stanford University, Medical Center, Stanford, Calif. 289 Michigan State University, E. Lansing, Michigan, US Michigan State University, E. Lansing, Michigan, US 290 Indian Inst. of Astrophysics, Bangalore, India Indian Inst. of Astrophysics, Bangalore, India 291 Western Ontario University, London, Canada Western Ontario University, London, Canada 292 International Center for Theoretical Physics, Trieste, Italy International Center for Theoretical Physics, Trieste, Italy International Centre for Theoretical Physics, Trieste, Italy 293 Joint Inst. for Lab. Astrophysics, Boulder, CO Joint Inst. for Lab. Astrophysics, Boulder, CO 294 Osservatorio Astron. di Bologna, Bologna, Italy Osservatorio Astron. di Bologna, Bologna, Italy 295 Max-Planck-Institut fuer Astronomie, Bonn, Federal Republic of Germany Max-Planck-Institut fuer Astronomie, Bonn, Federal Republic of Germany 296 Max-Planck-Institut fur Aeronomie, Katlenburg, West Germany Max-Planck Institut fuer Aeronomie, Katlenburg, West Germany Max-Planck-Institut fur Aeronomie, Katlenburg, West Germany Max-Planck-Institut fuer Aeronomie, Katlenburg, West Germany Max-Planck-Institut fuer Aeronomie, Katlenberg, West Germany 297 Max-Planck-Institut fur Astrophysik, D-85740 Garching, Germany Max-Planck-Institut fur Astrophysik, D-85740 Garching, Germany Max-Planck-Institut fur Astrophysik, 85740 Garching, Germany Max-Planck Institut fur Astrophysik, D-85740 Garching, Germany Max-Planck-Institute fur Astrophysik, 85740 Garching, Germany Max-Planck-Institut fur Astrophysik, D-85740, Garching, Germany 298 Max-Planck-Institut fuer Astronomie, Heidelberg, West Germany Max-Planck-Institut fuer Astronomie, Heidelberg, West Germany Max-Planck-Institute fuer Astronomie, Heidelberg, West Germany Max-Plank-Institut fuer Astronomie, Heidelberg, West Germany Max-Planck-Institut fur Astronomie, Heidelberg, West Germany Max-Planck-Institut fuer Aeronomie, Heidelberg, West Germany Max-Planck-Instituet fuer Astronomie, Heidelberg, West Germany Max-Planck-Institut fuer Astronomie, Heidelberg, Germany 299 Max-Planck-Institut fuer Meteorologie, Hamburg, West Germany Max-Planck-Institut fuer Meteorologie, Hamburg, West Germany 300 Max-Planck-Inst. fuer Astrophysik, Garching bei Munich, Germany Max-Planck-Inst. fuer Astrophysik, Garching bei Munich, Germany 301 Max-Planck-Institut fuer Physik und Astrophysik, Munich, West Germany Max-Planck-Institut fuer Physik und Astrophysik, Munich, West Germany Max-Planck-Institut fur Physik und Astrophysik, Munich, West Germany Max-Planck-Institut fuer Physik and Astrophysik, Munich, West Germany 302 Max-Planck-Institut fuer Chemie, Mainz, Federal Republic of Germany Max-Planck-Institut fuer Chemie, Mainz, Federal Republic of Germany 303 Kiepenheuer-Inst. fuer Sonnenphysik, Freiburg im Breisgau, Germany Kiepenheuer-Inst. fuer Sonnenphysik, Freiburg im Breisgau, Germany 304 Max-Planck-Institut fuer Astrophysik, Garching, West Germany Max-Planck-Institut fuer Astrophysik, Garching, West Germany 305 Max-Planck-Institut fuer Physik und Astrophysik, Garching, West Germany Max-Planck-Institute fuer Physik und Astrophysik, Garching, Germany Max-Planck-Institut fuer Physik und Astrophysik, Garching, Germany Max-Planck-Institut fuer Physik und Astrophysik, Garching, West Germany Max-Planck-Institut fuer Physik and Astrophysik, Garching, West Germany Max-Planck-Institut fur Physik und Astrophysik, Garching, West Germany Max-Planck-Institute fuer Physik und Astrophysik, Garching, West Germany Max-Planck-Institut fur Physik and Astrophysik, Garching, West Germany Max-Planck-Institut fuer Physik und Astrophysik Garching, West Germany Max-Planck Institut fuer Physik und Astrophysik, Garching, West Germany 306 Canadian Institute for Theoretical Astrophysics, Toronto, Canada Canadian Institute for Theoretical Astrophysics, Toronto, Canada Canadian Institute of Theoretical Astrophysics, Toronto, Canada 307 Joint Institute for Laboratory Astrophysics, Boulder, Colo. Joint Institute for Laboratory Astrophysics, Boulder, Colo. Joint Institute for Laboratory Astrophysics, Boulder Colo. 308 Kiepenheuer-Institut fuer Sonnenphysik, Freiburg im Breisgau, Federal Republic of Germany Kiepenheuer Institut fuer Sonnenphysik, Freiburg im Breisgau, Federal Republic of Germany Kiepenheuer-Institut fuer Sonnenphysik, Freiburg im Briesgau, Federal Republic of Germany Kiepenheuer-Institut fuer Sonnenphysik, Frieburg im Breisgau, Federal Republic of Germany Kipenheuer-Institut fuer Sonnenphysik, Freiburg im Breisgau, Federal Republic of Germany Kiepenheuer-Institut fuer Sonnenphysik, Freiburg im Breisgau, Federal Republic of Germany 309 Kiepenheuer-Institut fuer Sonnenphysik, Freiburg, Federal Republic of Germany Kiepenheuer-Institut fuer Sonnenphysik, Freiburg, Federal Republic of Germany 310 Kiepenheuer-Institut fuer Sonnenphysik, Freiburg im Breisgau, West Germany Kiepenheuer-Institut fuer Sonnenphysik, Freiburg-im-Breisgau, West Germany Kiepenheuer-Institut fuer Sonnenphysik, Freiburg im Breisgau, West Germany Kiepenheuer Institut fuer Sonnenphysik, Freiburg im Breisgau, West Germany Kiepenheur-Institut fuer Sonnenphysik, Freiburg im Breisgau, West Germany Kiepenheuerinstitut fuer Sonnenphysik, Freiburg im Breisgau, West Germany Kiepenheuer-Institut, fuer Sonnenphysik, Freiburg im Breisgau, West Germany Kiepenheuer-Institut fur Sonnenphysik, Freiburg im Breisgau, West Germany Kiepenheuer-Institut fuer Sonnephysik, Freiburg im Breisgau, West Germany Kiepenheuer-Institut fuer Sonnenphysik, Freiburg im Breisgall, West Germany Kiepenheuer - Institut fuer Sonnenphysik, Freiburg im Breisgau, West Germany Kiepenheur-Institut fuer Sonnenphysik, Freiburo im Breisqau, West Germany 311 National Research Council of Canada, Herzberg Institute of Astrophysics, Ottawa, Canada National Research Council of Canada, Herzberg Institute for Astrophysics, Ottawa, Canada National Research Council of Canada, Herzberg Institute of Astrophysics, Ottawa, Canada National Research Council of Canada, Merzberg Institute of Astrophysics, Ottawa, Canada National Research Council of Canada, Hertzberg Institute of Astrophysics, Ottawa, Canada 312 Max-Planck-Inst. fuer Physik und Astrophysik, Munich, Germany Max-Planck-Inst. fuer Physik und Astrophysik, Munich, Germany 313 Max-Planck-Institut fuer extraterrestrische Physik, Munich, West Germany Max-Planck-Institut fuer extraterrestrische Physik, Munich, West Germany 314 Max-Planck-Inst. fuer Astrophysik, Muenchen, Germany Max-Planck-Institut fuer Astrophysik, Muenchen, Germany Max-Planck-Inst. fuer Astrophysik, Muenchen, Germany Max-Planck-Inst fuer Astrophysik, Muenchen, Germany 315 Max-Planck-Institut fuer Astrophysik, Munich, West Germany Max-Planck-Institut fuer Astrophysik, Munich, West Germany Max-Planck-Institut fuer Astrophysik, Muenich, West Germany 316 Max-Planck-Institute fuer Astrophysik, Garching, Germany Max-Planck-Institut fuer Astrophysik, Garching, Germany Max-Planck-Inst. fuer Astrophysik, Garching, Germany Max-Planck Institut fuer Astrophysik, Garching, Germany Max-Planck-Institut fuer Astrophysick, Garching, Germany Max-Planck-Institute fuer Astrophysik, Garching, Germany Max-Planck-Institute for Astrophysics, Garching, Germany Max-Planck-Insitut fuer Astrophysik, Garching, Germany Max Planck Institut fuer Astrophysik, Garching, Germany Max-Planck-Institut fuer Astrophsik, Garching, Germany Max-Planck-Inst fuer Astrophysik, Garching, Germany Max-Planck-Insititut fuer Astrophysik, Garching, Germany 317 Max-Planck-Inst. fuer Astrophysik, Garching, Muenchen, Germany Max-Planck-Inst. fuer Astrophysik, Garching, Muenchen, Germany 318 Max Planck Institute for Extraterrestrial Physics, Garching, Federal Republic of Germany Max Planck Institute for Extraterrestrial Physics, Garching, Federal Republic of Germany 319 Max-Planck-Institut fur extraterrestrische Physik, Garching, West Germany Max-Planck-Institute fur extraterrestrische Physik, Garching, West Germany Max-Planck Institut fur extraterrestrische Physik, Garching, West Germany Max-Planck-Institut fur extraterrestrische Physik, Garching, West Germany Max-Planck-Institut fuer extraterrestrische Physik, Garching, West Germany Max-Planck-Institut fuer Extraterristrische Physik, Garching, West Germany Max-Planck-Institut fuer Extraterrestrishe Physik, Garching, West Germany Max-Planck-Institut fuer Extraterrestrische Physik, Garching, West Germany Max-Planck-Institut fuer Extraterrestriche Physik, Garching, West Germany Max-Planck-Institut fuer Extraterrestrische, Physik, Garching, West Germany Max-Planck Institut fuer extraterrestrische Physik, Garching, West Germany 320 Max Planck Inst. fuer Extraterrestrische Physik, Garching, Muenchen, Germany Max Planck Inst. fuer Extraterrestrische Physik, Garching, Muenchen, Germany 321 Max-Planck-Institut fur Plasmaphysik GmbH, Garching, West Germany Max-Planck-Institut fur Plasmaphysik GmbH, Garching, West Germany 322 Max-Planck-Institut fuer Extraterrestrische Physik, Muenchen, Germany Max-Planck-Institut fuer extraterrestrische Physik, Muenchen, Germany Max-Planck-Institut fuer Extraterrestrische Physik, Muenchen, Germany Max-Planck Institut fuer Extraterrestrishce Physik, Muenchen, Germany Max Planck Institut fuer Extraterrestrische Physik, Muenchen, Germany Max-Planck-Institut fuer extraterrestrische Physik, Muenchen, Germany Max-Planck-Institut fuer Extraterrestrische Physik, Muenchen, Germany Max-Planck Institut fuer Extraterrestrishce Physik, Muenchen, Germany Max Planck Institut fuer Extraterrestrische Physik, Muenchen, Germany Max-Planck-Institut fuer Extraterrestrische Physik, Munich, Germany 323 Max-Planck-Institut fuer extraterrestrische Physik, Garching, Muenchen, Germ Max-Planck-Institut fuer extraterrestrische Physik, Garching, Muenchen, Germ 324 Max-Planck-Institut fuer Radioastronomie, Bonn, Federal Republic of Germany Max-Planck-Institut fuer Radioastronimie, Bonn, Federal Republic of Germany Max-Planck-Institut fuer Radioastronomie, Bonn, Federal Republic of Germany Max-Planck-Institut fur Radioastronomie, Bonn, Federal Republic of Germany Max-Planck-Institut fuer Radioastromomie, Bonn, Federal Republic of Germany Max-Planck Institut fuer Radioastronomie, Bonn, Federal Republic of Germany Max-Planck-Institut fuer Radioastronimie, Bonn, Federal Republic of Germany Max-Planck-Institut fuer Radioastronomie, Bonn, Federal Republic of Germany Max-Planck-Institut fur Radioastronomie, Bonn, Federal Republic of Germany Max-Planck-Institut fuer Radioastromomie, Bonn, Federal Republic of Germany Max-Planck Institut fuer Radioastronomie, Bonn, Federal Republic of Germany 325 Max Planck Inst. fuer Extraterrestrische Physik, Garching, Germany Max Planck Institut fuer Extraterrestriche Physik, Garching, Germany Max-Planck Institut fuer extraterrestrische Physik, Garching, Germany Max-Planck-Institut fuer Extraterrestrische Physik, Garching, Germany Max-Planck Instiut fuer Extraterrestrische Physik, Garching, Germany Max Planck Institut fuer Extraterrestrische Physik, Garching, Germany Max-Planck-Inst fuer Extraterrestrische Physik, Garching, Germany Max Planck Inst. fuer Extraterrestrische Physik, Garching, Germany Max-Planck-Inst. fuer Extraterrestrische Physik, Garching, Germany Max-Planck Inst. fuer Extraterrestrische Physik, Garching, Germany Max-Planck-Inst. fuer extraterrestrische Physik, Garching, Germany Max-Planck Inst. fuer extraterrestrische Physik, Garching, Germany Max-Planck-Inst. fuer Extraterrestrische Physick, Garching, Germany 326 Max-Planck-Institut fuer Extraterrestrische, Garching, Germany Max-Planck-Institut fuer Extraterrestrische, Garching, Germany Max-Planck Institut fuer Extraterrestrische, Garching, Germany 327 Max-Planck-Institut fur Extraterrestrische Physik, D-85740 Garching, Germany Max-Planck-Institut fur Extraterrestrische Physik, D-85740 Garching, Germany Max-Planck-Institut fur extraterrestrische Physik, 85740 Garching, Germany Max-Planck-Institut fur extraterrestrische Physik, D-85740 Garching, Germany Max-Planck-Institute fur Extraterrestrische Physik, 85740 Garching, Germany Max-Planck-Institut fur Extraterrestrische Physik, D85470 Garching, Germany Max-Planck Institut fur Extraterrestrische Physik, D-85740 Garching, Germany Max-Planck-Institut fur extraterrestrische Physik, 8046 Garching, Germany Max-Planck-Institut fur extraterrestrische Physik, 85748 Garching, Germany Max-Planck-Institut fur Extraterrestrische Physik, W-8046 Garching, Germany 328 Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, 85748 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, 85748 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, D-85740 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, D-85748 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, 85740 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild- Strasse 1, 85748 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild- Strasse 1, 85740 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, 85748 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, D-85740 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, D-85748 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Strasse 1, 85740 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild- Strasse 1, 85748 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild- Strasse 1, 85740 Garching, Germany Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Str. 1, D-85748 Garching, Germany Max-Plank-Institut fur Astrophysik, Karl-Schwarzschild-Str. 1, 85740 Garching, Germany 329 Max-Planck-Institut fuer Extraterrestrische Physik, Garching, Federal Republic of Germany Max-Planck-Institut fuer Extraterrestrische Physik, Garching, Federal Republic of Germany Max-Planck-Institut fuer extraterrestrische Physik, Garching, Federal Republic of Germany Max-Planck-Institut fuer extraterrestrusche Physik, Garching, Federal Republic of Germany 330 Max-Planck-Institut fuer extraterrestrische Physik, Munich, Federal Republic of Germany Max-Planck-Institut fuer extraterrestrische Physik, Munich, Federal Republic of Germany Max-Planck-Institut fuer Extraterrestrische Physik, Munich, Federal Republic of Germany 331 Max-Planck-Institut fuer extraterrestrische Physik, Federal Republic of Germany Max-Planck-Institut fuer extraterrestrische Physik, Federal Republic of Germany 332 Canadian Inst. for Theoretical Astrophysics, Toronto, Ontario, Canada Canadian Inst. for Theoretical Astrophysics, Toronto, Ontario, Canada 333 Haute-Provence, Observatoire, Saint-Michel-l'Observatoire, Alpes-de-Haute-Provence Haute-Provence, Observatoire, Saint-Michel-l'Observatoire, Alpes-de-Haute-Provence Haute Provence, Observatoire, Saint-Michel-L'Observatoire, Alpes-de-Haute-Provence 334 Canadian Inst. for Theoretical Astrophysics, Toronto, Canada Canadian Inst. for Theoretical Astrophysics, Toronto, Canada 335 Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. Harvard College Observatory and Smithsonian Astrophysical Laboratory, Cambridge, Mass. Havard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, MA 336 Istituto di Fisica Cosmica del CNR, Milano, Italy Instituto di Fisica Cosmica del CNR, Milano, Italy Istituto di Fisica Cosmica del CNR, Milano, Italy Istituto di Fisica Cosmica, CNR, Milano, Italy Institut di Fisica Cosmica del CNR, Milano, Italy 337 Harvard-Smithsonian Center for Astrophysics Harvard-Smithsonian Center for Astrophysics 338 Universidad Nacional Autonoma de Mexico, Mexico Universidad Nacional Autonoma de Mexico, Mexico 339 Tata Institute of Fundamental Research, Ootacamund Tata Institute of Fundamental Research, Ootacamund 340 Uppsala Astronomical Observatory, Sweden Uppsala Astronomical Observatory, Sweden 341 City Polytechnic of Hong Kong, Hong Kong City Polytechnic of Hong Kong, Hong Kong 342 Copenhagen University Observatory, Denmark Copenhagen University Observatory, Denmark 343 Mount John University Observatory Mount John University Observatory 344 University of Tromso, Tromso, Norway University of Tromso, Tromso, Norway 345 Toronto Univ., Toronto, Canada Toronto Univ., Toronto, Canada 346 Geneve, Universite, Geneva, Switzerland Geneve, Universite, Geneva, Switzerland 347 Natsionalna Astronomicheska Observatoriia Natsionalna Astronomicheska Observatoriia 348 Max-Planck-Institut fuer Astrophysik, Germany Max-Planck-Institut fuer Astrophysik, Germany Max-Planck-Inst. fuer Astrophysik, Germany 349 Glasgow, University Observatory, Scotland Glasgow, University Observatory, Scotland Glasgow University Observatory, Scotland 350 Extremadura, Universidad, Badajoz, Spain Extremadura, Universidad, Badajoz, Spain 351 Astronomisches Rechen-Inst., Heidelberg, Germany Astronomisches Rechen-Inst., Heidelberg, Germany Astronomisches Rechen-Institut, Heidelberg, Germany 352 Chalmers Univ. of Technology, Goteborg, Sweden Chalmers Univ. of Technology, Goteborg, Sweden 353 Russian Academy of Science, Moscow, Russia Russian Academy of Science, Moscow, Russia Russian Academy of Scienc, Moscow, Russia Russian Academy of Sciences, Moscow, Russia 354 Australia Telescope National Facility, Narrabri Australia Telescope National Facility, Narrabri Australia Telescope National Facility, Narrabi 355 Koenigstuhl, Landessternwarte, Heidelberg, West Germany Koenigstuhl, Landessternwarte, Heidelberg, West Germany Konigstuhl, Landessternwarte, Heidelberg, West Germany 356 Rensselaer Polytechnic Institute, Troy, New York, US Rensselaer Polytechnic Institute, Troy, New York, US 357 Observatoire du Mont Megantic, Montreal Observatoire du Mont Megantic, Montreal 358 Sterrewacht Leiden, Leiden, The Netherlands Sterrewacht Leiden, Leiden, The Netherlands 359 Observatoire de Midi-Pyrenees, Toulouse, France Observatoire de Midi-Pyrenees, Toulouse, France Observatoire Midi-Pyrenees, Toulouse, France Observatoire Midi Pyrenees, Toulouse, France Observatoire Midi-Pyrennes, Toulouse, France Observatoire Midi-Pyreneees, Toulouse, France Observatoire Midi-Pyrennees, Toulouse, France 360 Santa Maria, Universidade Federal, Brazil Santa Maria, Universidade Federal, Brazil 361 Mont-Megantic, Observatoire, Montreal, Canada Mont-Megantic, Observatoire, Montreal, Canada 362 State Astronomical Institute, Moscow, Russia State Astronomical Institute, Moscow, Russia 363 Fordham University, Bronx, N.Y. Fordham University, Bronx, N.Y. 364 Univ.de Chile, Casilla, Santiago, Chile Univ.de Chile, Casilla, Santiago, Chile 365 Napier College, Edinburgh, Scotland Napier College, Edinburgh, Scotland 366 Harvard Univ., Cambridge, MA, US Harvard Univ., Cambridge, MA, US 367 Ecole Polytechnique, Palaiseau, Essonne Ecole Polytechnique, Palaiseau, Essonne 368 USAF, Phillips Lab. USAF, Phillips Lab. 369 Univ. de Valencia, Spain Univ. de Valencia, Spain 370 Utah, State University, Logan Utah, State University, Logan 371 Univ.-Sternwarte, Germany Univ.-Sternwarte, Germany 372 IRAM, Granada, Spain IRAM, Granada, Spain 373 CSIC, Blanes, Spain CSIC, Blanes, Spain 374 IRA, Bologna, Italy IRA, Bologna, Italy 375 RIKEN, Saitama, Japan RIKEN, Saitama, Japan 376 Bologna, Universita, Bologna, Italy Bologna, Universita, Bologna, Italy 377 NCRA, Pune, India NCRA, Pune, India 378 Calar Alto Observatory, Spain Calar Alto Observatory, Spain 379 Tuebingen, Universitae Tuebingen, Universitae Tuebingen, Universitaet 380 Drew University, Madison, NJ Drew University, Madison, NJ 381 Hosei University, Koganei, Japan Hosei University, Koganei, Japan 382 Kumamoto University, Japan Kumamoto University, Japan 383 Royal Observatory Edinburgh, Edinburgh, UK Royal Observatory Edinburgh, Edinburgh, UK 384 Royal Observatory, London, England Royal Observatory, London, England 385 ESO, Garching, West Germany ESO, Garching, West Germany 386 Universita de Roma, Rome, Italy Universita de Roma, Rome, Italy 387 Russian Academy Sciences, Moscow, Russia Russian Academy Sciences, Moscow, Russia 388 Brockport State College, New York, N.Y. Brockport State College, New York, N.Y. 389 Space Telescope Institute, Baltimore, MD Space Telescope Institute, Baltimore, MD 390 Sao Paulo, Univ. do Estado, Brazil Sao Paulo, Univ. do Estado, Brazil 391 Giessen, Universitaet, Giessen, West Germany Giessen, Universitaet, Giessen, West Germany 392 National Center for Atmospheric Research National Center for Atmospheric Research 393 Milan, Universita, Milan, Italy Milan, Universita, Milan, Italy 394 Rice Univ., Houston, TX, US Rice Univ., Houston, TX, US 395 University of Sydney, Sydney, Australia University of Sydney, Sydney, Australia University of Sidney, Sidney, Australia 396 Universidad Tecnica, Valparaiso, Chile Universidad Tecnica, Valparaiso, Chile 397 Free University, Amsterdam, Netherlands Free University, Amsterdam, Netherlands 398 Osaka Kyoiku University, Osaka, Japan Osaka Kyoiku University, Osaka, Japan 399 Stuttgart, Universitaet, Stuttgart, West Germany Stuttgart, Universitaet, Stuttgart, West Germany 400 Utrecht University, Utrecht, Netherlands Utrecht University, Utrecht, Netherlands 401 Teheran University, Teheran, Iran Teheran University, Teheran, Iran 402 Howard University, Washington, D.C. Howard University, Washington, D.C. 403 Zaragoza, Universidad, Saragossa, Spain Zaragoza, Universidad, Saragossa, Spain 404 Yale University, Yale, CT, US Yale University, Yale, CT, US 405 Calcutta, University, Calcutta, India Calcutta, University, Calcutta, India 406 Regina, University, Canada Regina, University, Canada 407 Graz, Universitaet, Graz, Austria Graz, Universitaet, Graz, Austria 408 Meerut, University, Meerut, India Meerut, University, Meerut, India 409 Maryland, University, Adelphi, MD Maryland, University, Adelphi, MD 410 Boston University, Boston, MA Boston University, Boston, MA Boston, University, Boston, MA 411 Pittsburgh, University, Pittsburgh, Pa. Pittsburgh, University, Pittsburgh, Pa. 412 Bari, Universita, Bari, Italy Bari, Universita, Bari, Italy 413 Indiana University, Bloomington, Ind. Indiana University, Bloomington, Ind. 414 Keio University, Yokohama, Japan Keio University, Yokohama, Japan 415 Meisei University, Hino, Japan Meisei University, Hino, Japan 416 Lehigh University, Bethlehem, Pa. Lehigh University, Bethlehem, Pa. 417 Iwate University, Morioka, Japan Iwate University, Morioka, Japan 418 Sussex University, Brighton, England Sussex University, Brighton, England 419 Hiroshima University, Takehara, Japan Hiroshima University, Takehara, Japan 420 Kentucky University, Lexington Kentucky University, Lexington Kentucky, University, Lexington Kentucky University, Lexington Kentucky, University, Lexington 421 Maryland, University, Collge Park Maryland, University, Collge Park 422 Catania University, Catania, Italy Catania University, Catania, Italy Catania, Universita, Catania, Italy 423 St. Mary's University, Halifax, Canada St. Mary's University, Halifax, Canada 424 Calabria, Universita, Cosenza, Italy Calabria, Universita, Cosenza, Italy 425 Sydney, University, Australia Sydney, University, Australia 426 Santander, University, Santander, Spain Santander, University, Santander, Spain 427 Messina, Universita, Messina, Italy Messina, Universita, Messina, Italy 428 Haifa, University, Oranim, Israel Haifa, University, Oranim, Israel 429 Istanbul University Observatory, Turkey Istanbul University Observatory, Turkey 430 Santiago, Universidad, Chile Santiago, Universidad, Chile 431 Calabria, Universita, Calabria, Italy Calabria, Universita, Calabria, Italy 432 Bochum, Sternwarte, West Germany Bochum, Sternwarte, West Germany 433 Heidelberg, Universitaet, West Germany Heidelberg, Universitaet, West Germany 434 Brown University, Providence, RI Brown University, Providence, RI 435 Rutgers University, Piscataway, NJ Rutgers University, Piscataway, NJ 436 California University, Santa Cruz California University, Santa Cruz 437 Trento, Universita, Povo, Italy Trento, Universita, Povo, Italy 438 Pisa, Universita, Pisa, Italy Pisa, Universita, Pisa, Italy 439 Cantabria Univ. Cantabria Univ. 440 York Univ., Toronto, Canada York Univ., Toronto, Canada 441 Leiden State Univ. Leiden State Univ. 442 California, Universita, La Jolla California, Universita, La Jolla 443 Grenoble I, Universite Grenoble I, Universite 444 Tokyo Univ., Mitaka Tokyo Univ., Mitaka 445 Ilinois Univ., Urbana Ilinois Univ., Urbana 446 Shizuoka Univ., Japan Shizuoka Univ., Japan 447 Utsunomiya Univ., Japan Utsunomiya Univ., Japan 448 Rochester Univ., NY Rochester Univ., NY 449 New Orleans Univ., LA New Orleans Univ., LA 450 Widener University, Chester, PA Widener University, Chester, PA 451 Roma I, Universita Roma I, Universita Roma II, Universita 452 Trent University, Peterborough Trent University, Peterborough 453 Crete Univ., Crete, Greece Crete Univ., Crete, Greece 454 Kent, University, Canterbury Kent, University, Canterbury 455 Meerut University, Meerut, India Meerut University, Meerut, India 456 Utsunomiya University, Mine, Japan Utsunomiya University, Mine, Japan 457 University of Kobe, Kobe, Japan University of Kobe, Kobe, Japan 458 Cleveland State University, OH Cleveland State University, OH 459 Cluj, Universitatea, Cluj, Rumania Cluj, Universitatea, Cluj, Rumania 460 L'Aquila, Universita, L'Aquila, Italy L'Aquila, Universita, L'Aquila, Italy 461 Rice University, Houston, Tex. Rice University, Houston, Tex. 462 Kharkov University, Kharkov, Ukraine Kharkov University, Kharkov, Ukraine 463 Kinki University, Higashi, Japan Kinki University, Higashi, Japan 464 Niigata University, Ikarashi, Japan Niigata University, Ikarashi, Japan 465 National Research Council, Victoria, BC, CA National Research Council, Victoria, BC, CA 466 Moskovskii Gosudarstvennyi Universitet, Moscow Moskovskii Gosudarstvennyi Universitet, Moscow 467 University College, Canberra, Australia University College, Canberra, Australia 468 Western Ontario, University, London, Canada Western Ontario, University, London, Canada 469 Wellesley College, Wellesley, Mass. Wellesley College, Wellesley, Mass. 470 University of Bonn, Bonn, Germany University of Bonn, Bonn, Germany 471 Universitat zu Koln, Koln, Germany Universitat zu Koln, Koln, Germany 472 Kiel, Universitaet, Kiel, West Germany Kiel, Universitaet, Kiel, West Germany 473 Basel, Universitaet,, Binningen, Switzerland Basel, Universitaet,, Binningen, Switzerland Basel, Universitaet, Benningen, Switzerland 474 Oslo, Universitetet, Oslo, Norway Oslo, Universitetet, Oslo, Norway 475 Keele, University, Keel, Staffs., England Keele, University, Keel, Staffs., England 476 Ibaraki Univ., Bunkyo, Mito, Japan Ibaraki Univ., Bunkyo, Mito, Japan 477 Cagliari, Universita, Cagliari, Italy Cagliari, Universita, Cagliari, Italy 478 Old Dominion University, Norfolk, VA Old Dominion University, Norfolk, VA 479 Paris VII, Universite, Paris, France Paris VII, Universite, Paris, France 480 Princeton University, New Observatory, NJ Princeton University, New Observatory, NJ 481 Florida, University, Gainesville, FL Florida, University, Gainesville, FL Florida, University, Gainesville, Fla 482 Adelaide, University, Adelaide , Australia Adelaide, University, Adelaide , Australia Adelaide, University, Adelaide, Australia 483 New York, University, New York, N.Y. New York, University, New York, N.Y. 484 Beckman Institute Beckman Institute 485 Keele Univ., Keele, UK Keele Univ., Keele, UK 486 Cologne Univ., Germany Cologne Univ., Germany 487 Wesleyan Univ., Middletown, CT, US Wesleyan Univ., Middletown, CT, US 488 Rensselaer Polytechnic Inst., Troy, NY Rensselaer Polytechnic Inst., Troy, NY 489 Lehigh University, Bethlehem, PA Lehigh University, Bethlehem, PA 490 Carnegie-Mellon University, Pittsburgh, PA Carnegie-Mellon University, Pittsburgh, PA 491 Waseda Univ., Okubo, Tokyo, Japan Waseda Univ., Okubo, Tokyo, Japan 492 Osaka University, Toyonaka, Japan Osaka University, Toyonaka, Japan 493 Bartol Research Institute, Newark, DE Bartol Research Institute, Newark, DE 494 Center for High Energy Astrophysics Center for High Energy Astrophysics 495 Space Research Institute, Moscow, Russia Space Research Institute, Moscow, Russia 496 Computer Sciences Corp., Baltimore, MD Computer Sciences Corp., Baltimore, MD Computer Science Corp., Baltimore, MD 497 Computer Sciences Corp., Silver Spring, MD Computer Science Corp., Silver Spring, MD Computer Sciences Corp., Silver Spring, MD Computer Sciences Corp., Silver Spring, Md. 498 Shaanxi Observatory, Lintong, China Shaanxi Observatory, Lintong, China 499 Space Telescope Science Institute, Baltimore Space Telescope Science Institute, Baltimore 500 Univ. Catolica De Chile, Santiago, Chile Univ. Catolica De Chile, Santiago, Chile 501 Computer Sciences Corp., Lanham, MD, US Computer Sciences Corp., Lanham, MD, US 502 Tokyo, Science University, Japan Tokyo, Science University, Japan 503 Geoerge Mason University, Fairfax, VA, US Geoerge Mason University, Fairfax, VA, US George Mason University, Fairfax, VA, US 504 New Mexico University, Albuquerque, NM New Mexico University, Albuquerque, NM 505 Australia Telescope National Facility, Parkes Australia Telescope National Facility, Parkes 506 Minnesota Univ., Minneapolis, MN, US Minnesota Univ., Minneapolis, MN, US 507 Toulouse, Universite, Toulouse, France Toulouse, Universite, Toulouse, France 508 Rensselaer Polytechnic Institute, Troy Rensselaer Polytechnic Institute, Troy 509 Weizmann Institute of Science, Rehovot, Israel Weizmann Institute of Science, Rehovot, Israel Weizmann Institute of Science Rehovot, Israel Weizmann Istitute of Science, Rehovot, Israel 510 University of Chicago, Chicago, Illinois, US University of Chicago, Chicago, Illinois, US 511 Moscow University, Moscow, Russia Moscow University, Moscow, Russia 512 Yale University, New Haven, Connecticut, US Yale University, New Haven, Connecticut, US 513 Univ. College London, Holmbury, UK Univ. College London, Holmbury, UK 514 University of Texas, Ausrin, TX, US University of Texas, Ausrin, TX, US University of Texas, Austin, TX, US 515 Toronto Univ., Ontario, Canada Toronto Univ., Ontario, Canada 516 Polytechnic Institute, Troy, NY, US Polytechnic Institute, Troy, NY, US 517 Rennselaer Polytechnic Institute, Troy, NY Rennselaer Polytechnic Institute, Troy, NY Rensselaer Polytechnic Institute, Troy, NY Rennselaer Polytechnic Institute, Troy, NY Rensselaer Polytechnic Institute, Troy, NY Rennselaer Polytechnic Institute, Troy, NY Rensselaer Polytechnic Institute, Troy, NY Rennselaer Polytechnic Institute, Troy, NY Rensselaer Polytechnic Institute, Troy, NY 518 Lebedev Physical Institute, Moscow, Russia Lebedev Physical Institute, Moscow, Russia 519 New Mexico State Univ., Las Cruces, NM, US New Mexico State Univ., Las Cruces, NM, US New Mexico Sate Univ., Las Cruces, NM, US 520 Kyoto Univ., Sakyo-ku, Kyoto, Japan Kyoto Univ., Sakyo-ku, Kyoto, Japan 521 Aoyama-Gakuin University, Tokyo, Japan Aoyama-Gakuin University, Tokyo, Japan 522 Leicester, Universtity, Leicester, England Leicester, Universtity, Leicester, England Leicester University, Leicester, England 523 Technische Universitat Berlin, Berlin, Germany Technische Universitat Berlin, Berlin, Germany 524 Koen, Universitaet, Cologne, West Germany Koen, Universitaet, Cologne, West Germany Koeln, Universitaet, Cologne, West Germany 525 NASA, Ames Research Center, Moffett Field, Calif. NASA, Ames Research Center, Moffett Field, Calif. 526 Bartol Research Inst., Newark, DE Bartol Research Inst., Newark, DE 527 Bartol Research Foundation, Newark, DE Bartol Research Foundation, Newark, DE 528 Univ. of Illinois at Urgana-Champaign, Urbana, IL, US Univ. of Illinois at Urgana-Champaign, Urbana, IL, US Univ. of Illinois at Urbana-Champaign, Urbana, IL, US 529 NASA. Goddard Inst. for Space Studies, New York, NY, US NASA. Goddard Inst. for Space Studies, New York, NY, US 530 Gor'kovskii Gosudarstvennyi Universitet, Gorki, USSR Gor'kovskii Gosudarstvennyi Universitet, Gorki, USSR 531 ESA, Astrophysics Div., Noordwijk, Netherlands ESA, Astrophysics Div., Noordwijk, Netherlands ESTEC, Astrophysics Div., Noordwijk, Netherlands 532 Wuerzbuerg, Universitaet, Wuerzburg, West Germany Wuerzbuerg, Universitaet, Wuerzburg, West Germany 533 Berlin, Humboldt-Universitaet, Berlin, East Germany Berlin, Humboldt-Universitaet, Berlin, East Germany 534 Belfast, Queens University, Belfast, Northern Ireland Belfast, Queens University, Belfast, Northern Ireland Belfast, Queen's University, Belfast, Northern Ireland 535 Berlin, Freie Universitaet, Berlin, West Germany Berlin, Freie Universitaet, Berlin, West Germany 536 Western Ontario, University, London, Ontario, Canada Western Ontario, University, London, Ontario, Canada 537 NASA, Goddard Institute for Space Studies, New York, N.Y. NASA, Goddard Institute for Space Studies, New York, N.Y. NASA, Goddard Institute for Space Studies, New York, NY NASA, Goddard Institut for Space Studies, New York, N.Y. 538 Hamburg, Universitaet, Sternwarte, Federal Republic of Germany Hamburg, Universitaet, Sternwarte, Federal Republic of Germany 539 Bonn, Universitaets-Sternwarte, Federal Republic of Germany Bonn, Universitaets-Sternwarte, Federal Republic of Germany 540 Landessternwarte Konigstuhl, D-69117 Heidelberg, Germany Landessternwarte Konigstuhl, D-69117 Heidelberg, Germany Landessternwarte Konigstuhl, 69117 Heidelberg, Germany 541 Paris XI, Universite, Sceaux, Hauts-de-Seine, France Paris XI, Universite, Sceaux, Hauts-de-Seine, France 542 Utrecht, Rijksuniversiteit, Utrecht, Netherlands Utrecht, Rijksuniversiteit, Utrecht, Netherlands Utrecht Rijksuniversiteit, Utrecht, Netherlands Utrecht, Rijksuniversiteit, Utrecht, Netherlands Utrecht Rijksuniversiteit, Utrecht, Netherlands 543 Kazanskii Gosudarstvennyi Universitet, Kazan, USSR Kazanskii Gosudarstvennyi Universitet, Kazan, USSR 544 Heidelberg, Universitaet, Heidelberg, West Germany Heidelberg, Universitaet, Heidelberg, West Germany Heidelberg, Universitat, Heidelberg, West Germany 545 Waikato, University, Hamilton, New Zealand Waikato, University, Hamilton, New Zealand 546 National Center for Atmospheric Research, Boulder, CO, US National Center for Atmospheric Research, Boulder, CO, US 547 Max-Planck-Institut fuer Kernphysik, Heidelberg, West Germany Max Planck-Institut fuer Kernphysik, Heidelberg, West Germany Max-Planck-Institut fuer Kernphysik, Heidelberg, West Germany Max-Planck-Institut fuer Kernphysik, Heidelberg, Germany 548 Hamburger Sternwarte, Hamburg, Federal Republic of Germany Hamburger Sternwarte, Hamburg, Federal Republic of Germany 549 Remeis Sternwarte, Bamberg, Federal Republic of Germany Remeis Sternwarte, Bamberg, Federal Republic of Germany Remeis-Sternwarte, Bamberg, Federal Republic of Germany 550 Universitaets-Sternwarte, Bonn, Federal Republic of Germany Universitaets-Sternwarte, Bonn, Federal Republic of Germany Universitaets-Sternwarte, Jena, Federal Republic of Germany Universitaets-Sternwarte, Munich, Federal Republic of Germany Universitaets Sternwarte, Bonn, Federal Republic of Germany 551 NASA, Ames Research Center, Moffett Field NASA, Ames Research Center, Moffett Field 552 Big Bear Solar Observatory, Pasadena, Calif. Big Bear Solar Observatory, Pasadena, Calif. 553 Computer Science Corp., Greenbelt, MD Computer Science Corp., Greenbelt, MD Computer Sciences Corp., Greenbelt, MD Computer Science Corp., Greenbelt, MD Computer Sciences Corp., Greenbelt, MD 554 Computer Sciences Corp., Baltimore, MD, US Computer Sciences Corp., Baltimore, MD, US 555 Beijing Observatory, Beijing, China Beijing Observatory, Beijing, China 556 Univ. of Virginia, Charlottesville, VA, US Univ. of Virginia, Charlottesville, VA, US Univ. of Virginia, Charlottsville, VA, US 557 Tennessee Sate Univ., Nashville, TN, US Tennessee Sate Univ., Nashville, TN, US Tennessee State Univ., Nashville, TN, US 558 Wellesley College, Wellesley, MA, US Wellesley College, Wellesley, MA, US 559 Hunter College, New York, N.Y. Hunter College, New York, N.Y. 560 New York University, New York, N.Y. New York University, New York, N.Y. New York University, New York, NY New York, University, New York, NY 561 Columbia University, New York, NY Columbia University, New York, NY Columbia, University, New York, N.Y. Columbia University, New York, N.Y Columbia, University, New York, NY 562 Lodz, Uniwersytet, Lodz, Poland Lodz, Uniwersytet, Lodz, Poland 563 Montpelier II, Universite, Montpelier, France Montpelier II, Universite, Montpelier, France 564 Paris VI, Universite, Paris, France Paris VI, Universite, Paris, France Paris XI, Universite, Paris, France Paris IX, Universite, Paris, France 565 Calabria, Universita, Rende, Italy Calabria, Universita, Rende, Italy 566 Berlin, Technische Universitaet, West Germany Berlin, Technische Universitaet, West Germany 567 Ankara University Observatory, Turkey Ankara University Observatory, Turkey Ankara University, Observatory, Turkey 568 Montana State University, Bozeman, MT Montana State University, Bozeman, MT 569 Valencia, Universidad, Burjasot, Spain Valencia, Universidad, Burjasot, Spain Valencia, Universidad, Burjassot, Spain 570 Trieste, Universita, Trieste, Italy Trieste, Universita, Trieste, Italy 571 Messina, UniversitOea, Messina, Italy Messina, UniversitOea, Messina, Italy 572 Oakland University, Rochester, MI Oakland University, Rochester, MI 573 Miyazaki University, Miyazaki, Japan Miyazaki University, Miyazaki, Japan 574 Besancon, Universite, Besancon, France Besancon, Universite, Besancon, France 575 Aegean University, Izmir, Turkey Aegean University, Izmir, Turkey 576 Wroclaw University, Observatory, Poland Wroclaw University, Observatory, Poland Wroclaw University Observatory, Poland 577 Sophia University, Tokyo, Japan Sophia University, Tokyo, Japan 578 Istanbul, University, Istanbul, Turkey Istanbul, University, Istanbul, Turkey 579 Princeton University, Observatory, NJ Princeton University, Observatory, NJ Princeton University Observatory, NJ 580 Max-Planck-Institut, Garching, Germany Max-Planck-Institut, Garching, Germany 581 Max Planck Inst., Bonn, Germany Max Planck Inst., Bonn, Germany 582 Indiana University, Bloomington, IL Indiana University, Bloomington, IL 583 Warsaw, University, Bialystock, Poland Warsaw, University, Bialystock, Poland 584 Nagoya University, Furocho, Japan Nagoya University, Furocho, Japan 585 Tokyo, University, Tokyo, Japan Tokyo, University, Tokyo, Japan 586 Hokkaido University, Sapporo 060, Japan Hokkaido University, Sapporo 060, Japan 587 Shizuoka University, Shizuoka, Japan Shizuoka University, Shizuoka, Japan 588 Royal Observatory, Edinburgh, Scotland, UK Royal Observatory, Edinburgh, Scotland, UK 589 Waterloo, University, Waterloo, Canada Waterloo, University, Waterloo, Canada 590 Harvard University, Cambridge, Mass. Harvard University, Cambridge, Mass. 591 Kyoto University, Kyoto and Nara, Japan Kyoto University, Kyoto and Nara, Japan 592 University of Tokyo, Tokyo, Tokyo University of Tokyo, Tokyo, Tokyo 593 University of Hong Kong, Hong Kong University of Hong Kong, Hong Kong 594 Specola Vaticana, Vatican City Specola Vaticana, Vatican City 595 Oak Ridge National Lab., TN Oak Ridge National Lab., TN 596 Manhattan College, Bronx, NY Manhattan College, Bronx, NY Manhattan College, Bronx, N.Y. 597 Univ. pr., Moscow, Russia Univ. pr., Moscow, Russia 598 Univ. of Athens, Athens, Greece Univ. of Athens, Athens, Greece 599 Tel-Aviv Univ., Tel Aviv, Israel Tel-Aviv Univ., Tel-Aviv, Israel Tel-Aviv Univ., Tel Aviv, Israel Tel Aviv Univ., Tel Aviv, Israel 600 Catania Univ., Catania, Italy Catania Univ., Catania, Italy 601 Minnesota Univ., Minneapolis Minnesota Univ., Minneapolis 602 Ochanomizu Univ., Tokyo, Japan Ochanomizu Univ., Tokyo, Japan 603 Florida Univ., Gainesville Florida Univ., Gainesville 604 Hitotsubashi Univ., Tokyo, Japan Hitotsubashi Univ., Tokyo, Japan 605 Chili Univ., Santiago, Chile Chili Univ., Santiago, Chile 606 Harvard Univ., Cambridge, MA Harvard Univ., Cambridge, MA 607 Torun, Uniwersytet, Poland Torun, Uniwersytet, Poland 608 Florida Univ., Gainesville, FL, US Florida Univ., Gainesville, FL, US 609 Kiev Univ., Kiev, Ukraine Kiev Univ., Kiev, Ukraine 610 Roma, Univ. Roma Univ. Roma, Univ. Roma Univ. Roma, Univ. 611 Alberta Univ., Edmonton, Canada Alberta Univ., Edmonton, Canada 612 Sydney Univ., Sydney, Australia Sydney Univ., Sydney, Australia 613 Univ. Basel, Binningen, Switzerland Univ. Basel, Binningen, Switzerland 614 Denver, University, Denver, Colo. Denver, University, Denver, Colo. Denver University, Denver, Colo. 615 Toledo Univ., Toledo, OH, US Toledo Univ., Toledo, OH, US 616 University of Turku, Piikkio, Finland University of Turku, Piikkio, Finland 617 South Florida, University, Tampa South Florida, University, Tampa 618 Santa Maria, Universidade Federal Santa Maria, Universidade Federal 619 Tel Aviv Univ., Ramat Aviv, Israel Tel Aviv Univ., Ramat Aviv, Israel 620 Osaka Sangyo University, Japan Osaka Sangyo University, Japan 621 Attila Jozsef University, Szeged Attila Jozsef University, Szeged 622 Hitotsubashi University, Tokyo, Japan Hitotsubashi University, Tokyo, Japan 623 McMaster University, Hamilton McMaster University, Hamilton 624 Wisconsin Univ., Madison, WI, US Wisconsin Univ., Madison, WI, US 625 Hollins College, Roanoke, VA Hollins College, Roanoke, VA 626 Valparaiso Univ., Valparaiso, IN, US Valparaiso Univ., Valparaiso, IN, US 627 Lancaster, University, England Lancaster, University, England Manchester, University, England Leicester, University, England 628 Paris VII, Universite, Paris Paris VII, Universite, Paris 629 Northern Iran, University, Iran Northern Iran, University, Iran 630 Saint Mary's Univ., Halifax, Canada Saint Mary's Univ., Halifax, Canada 631 Santander, Universidad, Spain Santander, Universidad, Spain 632 University of Wales, Wales, UK University of Wales, Wales, UK 633 University of Chicago, Chicago, IL, US University of Chicago, Chicago, IL, US 634 Washington Univ., Saint Louis, MO, US Washington Univ., Saint Louis, MO, US 635 Washington, University, Saint Louis, Mo Washington, University, Saint Louis, Mo Washington, University, Saint Louis, MO 636 Observatoire Royal de Belgique, Brussels Observatoire Royal de Belgique, Brussels 637 Cloudcraft Observatory, Cloudcroft, NM Cloudcraft Observatory, Cloudcroft, NM 638 Konkoly Obszervatorium, Budapest, Hungary Konkoly Obszervatorium, Budapest, Hungary Konkoly Observatorium, Budapest, Hungary 639 Hale Observatories, Pasadena, Calif. Hale Observatories, Pasadena, Calif. 640 Observatoire du Mont Megantic, Canada Observatoire du Mont Megantic, Canada 641 National Observatory, Athens, Greece National Observatory, Athens, Greece 642 Shanghai Observatory, Shanghai, China Shanghai Observatory, Shanghai, China 643 Hale Observatories, Berkeley, Calif. Hale Observatories, Berkeley, Calif. 644 Villanova University, Villanova, PA Villanova University, Villanova, PA Vilanova University, Villanova, PA 645 York University, North York, Ontario, Canada York University, North York, Ontario, Canada 646 California University, Berkeley, CA California University, Berkeley, CA California, Unversity, Berkeley, CA California, University, Berkeley, CA 647 Observatoire Royal, Brussels, Belgium Observatoire Royal, Brussels, Belgium 648 Academy of Sciences, Moscow, Russia Academy of Sciences, Moscow, Russia 649 Lick Observatory, Santa Cruz, Calif. Lick Observatory, Santa Cruz, Calif. 650 Brandeis University, Waltham, Mass. Brandeis University, Waltham, Mass. 651 Tel Aviv University, Tel Aviv, Israel Tel Aviv University, Tel Aviv, Israel Tel-Aviv University, Tel-Aviv, Israel Tel Avive University, Tel Aviv, Israel Tel Aviv, University, Tel Aviv, Israel 652 Ioannina, University, Ioannina, Greece Ioannina, University, Ioannina, Greece 653 Harvard University, Cambridge, MA, US Harvard University, Cambridge, MA, US 654 McMaster University, Hamilton, Canada McMaster University, Hamilton, Canada 655 Ehime University, Matsuyama, Japan Ehime University, Matsuyama, Japan 656 Washington University, Saint Louis, MO Washington University, Saint Louis, MO 657 Wisconsin, University, Madison, WI Wisconsin, University, Madison, WI 658 University of Oregon, Eugene, OR, US University of Oregon, Eugene, OR, US 659 Porto, Universidade, Portugal Porto, Universidade, Portugal 660 Sofia University, Sofia, Bulgaria Sofia University, Sofia, Bulgaria 661 Alberta, University, Edmonton, Canada Alberta, University, Edmonton, Canada 662 Napoli, Universita, Naples, Italy Napoli, Universita, Naples, Italy Napoli, Universit1/4a, Naples, Italy 663 Clemson University, Clemson, S.C. Clemson University, Clemson, S.C. 664 Cambridge University, Cambridge, MA Cambridge University, Cambridge, MA Cambridge University, Cambridge, UK 665 Howard University, Washington, DC Howard University, Washington, DC 666 Hirosaki University, Hirosaki, Japan Hirosaki University, Hirosaki, Japan 667 Colgate University, Hamilton, N.Y. Colgate University, Hamilton, N.Y. 668 York University, Concord, Canada York University, Concord, Canada 669 Dalhousie University, Halifax, Canada Dalhousie University, Halifax, Canada 670 Aarhus Universitet, Arhus, Denmark Aarhus Universitet, Arhus, Denmark 671 Utah, University, Salt Lake City, Utah Utah, University, Salt Lake City, Utah Utah, University, Salt Lake City, UT 672 Denison University, Granville, Ohio Denison University, Granville, Ohio Denison University, Granville, OH 673 Toronto University, Toronto, Canada Toronto University, Toronto, Canada 674 Drake University, Des Moines, IA, US Drake University, Des Moines, IA, US 675 Paris XI, Universite, Orsay, Essonne, France Paris XI, Universite, Orsay, Essonne, France 676 Utrecht, Universiteit, Utrecht, Netherlands Utrecht, Universiteit, Utrecht, Netherlands 677 York University, North York York University, North York 678 Konstanz, Universitaet, Konstanz, West Germany Konstanz, Universitaet, Konstanz, West Germany 679 Pais Vasco, Universidad, Bilbao, Spain Pais Vasco, Universidad, Bilbao, Spain 680 Zuerich, Universitaet, Zurich, Switzerland Zuerich, Universitaet, Zurich, Switzerland 681 San Diego State University, CA San Diego State University, CA 682 CNR, Ist. di Fisica Cosmica, Milan, Italy CNR, Ist. di Fisica Cosmica, Milan, Italy 683 Istituto di Fisica del CNR, Milano, Italy Istituto di Fisica del CNR, Milano, Italy 684 CNR, Istituto di Fisica Cosmica, Milan CNR, Istituto di Fisica Cosmica, Milan 685 Athens, National Observatory, Greece Athens, National Observatory, Greece Athens National Observatory, Greece 686 NASA, Infrared Telescope Facility, Hilo NASA, Infrared Telescope Facility, Hilo 687 Tata Inst. of Fundamental Research, Bombay Tata Inst. of Fundamental Research, Bombay 688 Grenoble I, Universite, France Grenoble I, Universite, France 689 Univ. of Hong Kong, Hong Kong Univ. of Hong Kong, Hong Kong 690 Michigan, University, Ann Arbor, MI Michigan, University, Ann Arbor, MI 691 University of Sydney, Australia University of Sydney, Australia 692 Wisconsin, Univerity, Madison, WI Wisconsin, Univerity, Madison, WI 693 Athens, National University, Greece Athens, National University, Greece 694 Georgia State University, Atlanta Georgia State University, Atlanta 695 Onsala Space Observatory, Onsala, Sweden Onsala Space Observatory, Onsala, Sweden 696 California State University, Fullerton California State University, Fullerton 697 Arizona State University, Tempe Arizona State University, Tempe Arizona State Universty, Tempe 698 National Research Council, Ottawa, Canada National Research Council, Ottawa, Canada 699 Saint Mary's University, Halifax, Canada Saint Mary's University, Halifax, Canada 700 Montana State University, Bozeman, MT, US Montana State University, Bozeman, MT, US 701 Tokyo Gakugei University, Koganei, Japan Tokyo Gakugei University, Koganei, Japan 702 New South Wales, University, Canberra, Australia New South Wales, University, Canberra, Australia 703 Utrecht, Rijksuniversiteit, Utrecht Utrecht, Rijksuniversiteit, Utrecht 704 Edinburgh University, Scotland Edinburgh University, Scotland 705 California, Unversity, Livermore, CA California, Unversity, Livermore, CA 706 Columbia University, New York, N.Y. Columbia University, New York, N.Y. 707 Basel Univ., Binningen, Switzerland Basel Univ., Binningen, Switzerland 708 Univ. de Montreal, Montreal, Canada Univ. de Montreal, Montreal, Canada 709 National Research Council of Canada National Research Council of Canada 710 Minnesota, University, Minneapolis, MN Minnesota, University, Minneapolis, MN 711 Widener Univ., Chester, PA, US Widener Univ., Chester, PA, US 712 Joint Inst. for Lab. Astrophysics Joint Inst. for Lab. Astrophysics 713 Whitman College, Walla Walla, WA Whitman College, Walla Walla, WA 714 Univ. College London, Surrey, UK Univ. College London, Surrey, UK 715 Univ. College, Cardiff, United Kingdom Univ. College, Cardiff, United Kingdom 716 McMaster Univ., Hamilton, Canada McMaster Univ., Hamilton, Canada 717 Centre College, Danville, KY Centre College, Danville, KY 718 Universitat Wien, Wien, Austria Universitat Wein, Wein, Austria Universitat Wien, Wien, Austria Universitaei Wien, Wien, Austria 719 Univ. of Tokyo, Bunkyo, Tokyo, Japan Univ. of Tokyo, Bunkyo, Tokyo, Japan 720 The University of Toledo, Toledo, OH, US The University of Toledo, Toledo, OH, US 721 Universitat Bonn, Bonn, Germany Universitat Bonn, Bonn, Germany Universitaet Bonn, Bonn, Germany 722 Dickinson College, Carlisle, PA Dickinson College, Carlisle, PA 723 Univ. Catolica de Chile, Santiago, Chile Univ. Catolica de Chile, Santiago, Chile P. Univ. Catolica de Chile, Santiago, Chile 724 Univ. de Chile, Santiago, Chile Univ. de Chile, Santiago, Chile Univ. de Chile, Santiago, Chili 725 University College, Cardiff, Wales University College, Cardiff, Wales University Colllege, Cardiff, Wales University College, Cardiff, Wales University Colllege, Cardiff, Wales 726 Univ. of Colorada, Boulder, CO, US Univ. of Colorada, Boulder, CO, US 727 University of London, London, UK University of London, London, UK 728 University of Oxford, Oxford, UK University of Oxford, Oxford, UK 729 Universita di Pisa, Pisa, Italy Universita di Pisa, Pisa, Italy 730 University of Bahrain, Bahrain University of Bahrain, Bahrain 731 University of Tokyo, Nagano, Japan University of Tokyo, Nagano, Japan 732 University of Georgia, Athens, GA, US University of Georgia, Athens, GA, US 733 Universidad de Chile, Santiago, Chile Universidad de Chile, Santiago, Chile 734 University of Moscow, Moscow, Russia University of Moscow, Moscow, Russia 735 Kyoto University, Sakyoku, Kyoto, Japan Kyoto University, Sakyoku, Kyoto, Japan 736 University of Nebraska, Lincoln, NE, US University of Nebraska, Lincoln, NE, US 737 York University, Downsview, Ontario, Canada York University, Downsview, Ontario, Canada York, University, Downsview, Ontario, Canada 738 University of Maine, Orono, ME, US University of Maine, Orono, ME, US 739 University of Wyoming, Laramie, WY, US University of Wyoming, Laramie, WY, US 740 University of Milano, Milano, Italy University of Milano, Milano, Italy 741 Bejing University, People's Republic of China Nanjing, University, People's Republic of China Nanjing University, People's Republic of China Beijing University, People's Republic of China Bejing University, People's Republic of China 742 Maryland Univ., College Park, MD, US Maryland Univ., College Park, MD, US 743 Virginia Univ., Charlottesville, VA, US Virginia Univ., Charlottesville, VA, US 744 Tulane University, New Orleans, LA Tulane University, New Orleans, LA 745 Queens's University, Kingston, Ontario, Canada Queens's University, Kingston, Ontario, Canada Queens University, Kingston, Ontario, Canada Queens's University, Kingston, Ontario, Canada Queens University, Kingston, Ontario, Canada 746 Mainz, Universitaet, Mainz, West Germany Mainz, Universitaet, Mainz, West Germany 747 University of Puerto Rico, Mayaguez University of Puerto Rico, Mayaguez 748 Vanderbuilt Univ., Nashville, TN, US Vanderbilt Univ., Nahville, TN, US Vanderbuilt Univ., Nashville, TN, US Vanderbilt Univ., Nashville, TN, US 749 Basel Universitaet, Basel, Switzerland Basel Universitaet, Basel, Switzerland Basel, Universitaet, Basel, Switzerland 750 Stanford University, Stanford, Calif. Stanford University, Stanford, Calif. 751 NASA, Infrared Telescope Facility, Hilo, HI NASA, Infrared Telescope Facility, Hilo, HI 752 Venezia, Universita, Venice, Italy Venezia, Universita, Venice, Italy 753 Univ. College, London, United Kingdom Univ. College, London, United Kingdom 754 Niigata University, Niigata-shi, Japan Niigata University, Niigata-shi, Japan 755 Universita Firenze, Firenze, Italy Universita Firenze, Firenze, Italy 756 Dartmouth College, Hanover, NH Dartmouth College, Hanover, NH Dartmouth College, Hanover, N.H. 757 U.W.-Madison, Madison, WI, US U.W.-Madison, Madison, WI, US 758 Barnard College, New York, NY Barnard College, New York, NY 759 Canisius College, Buffalo, NY Canisius College, Buffalo, NY 760 Queen's Univ., Kingston, Ontario, Canada Queen's Univ., Kingston, Ontario, Canada 761 Univ. of Calgary, Calgary, Canada Univ. of Calgary, Calgary, Canada 762 Utrecht Rijksuniversiteit, Netherlands Utrecht Rijksuniversiteit, Netherlands 763 Cloudcroft Observatory, Cloudcroft, N. Mex. Cloudcroft Observatory, Cloudcroft, N. Mex. 764 NEC Corp., Kawasaki, Japan NEC Corp., Kawasaki, Japan 765 Renner Observatory, Dousman, Wis. Renner Observatory, Dousman, Wis. 766 Astronomy Observatory, Socorro, NM Astronomy Observatory, Socorro, NM 767 Univ. of Tokyo, Bunko, Tokyo, Japan Univ. of Tokyo, Bunko, Tokyo, Japan 768 Citta' Universitaria, Catania, Italy Citta' Universitaria, Catania, Italy Citta Universitaria, Catania, Italy 769 Andalucia, Instituto de Astrofisica Andalucia, Instituto de Astrofisica 770 Carleton College, Northfield, MN Carleton College, Northfield, MN 771 Mount Wilson Observatory, Pasadena, Calif. Mount Wilson Observatory, Pasadena, Calif. 772 Dwingeloo, Radiosterrewacht, Netherlands Dwingeloo, Radiosterrewacht, Netherlands Dwingeloo Radiosterrenwacht, Netherlands 773 York Univ., North York, Ontario, Canada York Univ., North York, Ontario, Canada 774 Palomar Observatory, Pasadena, Calif. Palomar Observatory, Pasadena, Calif. 775 Northwestern Univ., Evanston, IL Northwestern Univ., Evanston, IL 776 New Mexico State Univ., Las Cruces New Mexico State Univ., Las Cruces 777 Washington State University, Pullman Washington State University, Pullman 778 Lecce, Universita, Italy Lecce, Universita, Italy 779 Boston Univ., Boston, MA, US Boston Univ., Boston, MA, US 780 Chicago Univ., Chicago, IL, US Chicago Univ., Chicago, IL, US 781 Yale Uniersity, New Haven, CT, US Yale Uniersity, New Haven, CT, US Yale University, New Haven, CT, US 782 Montpelier II, Universite, France Montpelier II, Universite, France Montpellier II, Universite, France 783 Cambridge University, Cambridge Cambridge University, Cambridge 784 Genova, Universita, Genoa, Italy Genova, Universita, Genoa, Italy 785 Calabria, Universita, Italy Calabria, Universita, Italy 786 Seikei Univ., Tokyo, Japan Seikei Univ., Tokyo, Japan 787 Zaragoza, Universidad, Spain Zaragoza, Universidad, Spain 788 Harvard University, Cambridge, MA Harvard University, Cambridge, MA 789 Howard University, Washington Howard University, Washington 790 Ben Gurion Univ., Beer Sheva, Israel Ben Gurion Univ., Beer Sheva, Israel Ben-Gurion Univ., Beersheva, Israel 791 Osaka University of Education, Japan Osaka University of Education, Japan 792 Toyama University, Toyama, Japan Toyama University, Toyama, Japan 793 Wuerzburg, Universitaet, West Germany Wuerzburg, Universitaet, West Germany 794 Paris XI, Universite, Orsay Paris XI, Universite, Orsay 795 Tuebingen, Univesitaet, West Germay Tuebingen, Univesitaet, West Germay 796 California, University, Davis California, University, Davis 797 Massachusetts Univ. Massachusetts Univ. 798 Bologna, Univ., Italy Bologna, Univ., Italy Bologna Univ., Italy Bologna, Univ., Italy Bologna Univ., Italy Bologna, Univ., Italy Bologna Univ., Italy Bologna, Univ., Italy Bologna Univ., Italy 799 Utrecht State Univ. Utrecht State Univ. 800 Amsterdam Univ. Amsterdam Univ. 801 Shanghai Observatory, China Shanghai Observatory, China 802 UniversiteLaval UniversiteLaval Universite Laval 803 Wise Observatory Wise Observatory 804 Yunnan Observatory, Kunming Yunnan Observatory, Kunming 805 Stockholm Observatory, Sweden Stockholm Observatory, Sweden 806 Polomar Observatory, Pasadena, CA Polomar Observatory, Pasadena, CA Palomar Observatory, Pasadena, CA 807 Uppsala Observatory, Sweden Uppsala Observatory, Sweden 808 Northwestern Univ., Evanston, IL, US Northwestern Univ., Evanston, IL, US Northwestern Univ., Evanston, Il, US 809 Hokkaido University, Sappora, Japan Hokkaido University, Sappora, Japan 810 Landessternwarte, Heidelberg, Germany Landessternwarte, Heidelburg, Germany Landessternwarte Heidelberg, Germany Landessternwarte, Heidelberg, Germany 811 Rice University, Houston, TX Rice University, Houston, TX 812 Rostock, Universitaet, Rostock, East Germany Rostock, Universitaet, Rostock, East Germany 813 Oklahoma, University, Norman, Ok Oklahoma, University, Norman, Ok Oklahoma, University, Norman, Okla. Oklahoma, University, Norman, Ok Oklahoma, University, Norman, Okla. 814 Rochester, University, Rochester, NY Rochester, University, Rochester, NY 815 Columbia, University, New York Columbia, University, New York Columbia Unversity, New York 816 South Florida, University, Tampa, Fla. South Florida, University, Tampa, Fla. 817 Kentucky, University, Louisville, KY Kentucky, University, Louisville, KY 818 Montana, University, Missoula, Mont. Montana, University, Missoula, Mont. 819 Gorakhpur, University, India Gorakhpur, University, India 820 Northeastern University, Boston, MA Northeastern University, Boston, MA 821 Northwestern Univeristy, Evanston, IL Northwestern Univeristy, Evanston, IL 822 Tasmania, University, Hobart, Australia Tasmania, University, Hobart, Australia 823 Picardie, Universite, Amiens, France Picardie, Universite, Amiens, France 824 Arizona University, Tucson, Ariz. Arizona University, Tucson, Ariz. 825 Haifa, University, Tivon, Israel Haifa, University, Tivon, Israel 826 Kyoto University, Kyoto, Japan Kyoto University, Kyoto, Japan Kyoto, University, Kyoto, Japan Kyoto University, Kyoto, Japan Kyoto, University, Kyoto, Japan 827 Cornell University, Arecibo, P.R. Cornell University, Arecibo, P.R. 828 Universitaet der Wien, Wien, Austria Universitaet der Wien, Wien, Austria 829 Oxford University, Oxford, UK Oxford University, Oxford, UK 830 La Laguna, Universidad, La Laguna, Spain La Laguna, Universidad, La Laguna, Spain 831 York, University, Heslington, England York, University, Heslington, England 832 York University, Downsview, Canada York University, Downsview, Canada 833 Shiraz, University, Shiraz, Iran Shiraz, University, Shiraz, Iran 834 Valencia, Universidad, Valencia, Spain Valencia, Universidad, Valencia, Spain 835 Hiroshima University, Hiroshima, Japan Hiroshima University, Hiroshima, Japan 836 York University, North York, Canada York University, North York, Canada 837 Montreal, Universite, Montreal, Canada Montreal, Universite, Montreal, Canada Montreal, University, Montreal, Canada Montreal Universite, Montreal, Canada 838 Aberdeen, University, Aberdeen, Scotland Aberdeen, University, Aberdeen, Scotland 839 Perugia, Universita, Perugia, Italy Perugia, Universita, Perugia, Italy 840 Trent University, Peterborough, Canada Trent University, Peterborough, Canada 841 Victoria, University, Victoria, Canada Victoria, University, Victoria, Canada 842 Negev, University, Beersheba, Israel Negev, University, Beersheba, Israel 843 Tsurumi University, Yokohama, Japan Tsurumi University, Yokohama, Japan 844 York University, Toronto, Canada York University, Toronto, Canada 845 Queen's University, Kingston, Canada Queen's University, Kingston, Canada Queens University, Kingston, Canada 846 Toyama University, Takaoka, Japan Toyama University, Takaoka, Japan 847 Iowa, University, Iowa City, Iowa Iowa, University, Iowa City, Iowa 848 Ottawa, University, Ottawa, Canada Ottawa, University, Ottawa, Canada 849 Boston University, Boston, MA, US Boston University, Boston, MA, US 850 Monash University, Melbourne, Australia Monash University, Melbourne, Australia 851 Tohoku Gakuin University, Sendai, Japan Tohoku Gakuin University, Sendai, Japan 852 Calgary Univ, Calgary, Canada Calgary Univ, Calgary, Canada 853 Kanagawa University, Yokohama, Japan Kanagawa University, Yokohama, Japan 854 Osaka University, Toyonaka, Osaka, Japan Osaka University, Toyonaka, Osaka, Japan 855 Waikato Univ., Hamilton, New Zealand Waikato Univ., Hamilton, New Zealand 856 Washington Univ., St. Louis, MO, US Washington Univ., St. Louis, MO, US 857 Granada, Universidad, Spain Granada, Universidad, Spain 858 Brandon University, Canada Brandon University, Canada 859 Tohoku University, Aoba, Japan Tohoku University, Aoba, Japan 860 McMaster University, Ontario, Canada McMaster University, Ontario, Canada 861 California, University, Riverside, CA California, University, Riverside, CA 862 George Mason University, Fairfax, Va. George Mason University, Fairfax, Va. 863 Kinki University, Osaka, Japan Kinki University, Osaka, Japan 864 Pavia, Universita, Pavia, Italy Pavia, Universita, Pavia, Italy 865 Tokai University, Hiratsuka, Japan Tokai University, Hiratsuka, Japan 866 California, University, La Jolla, Calif. California, University, La Jolla, Calif. 867 Tokyo, University, Tanashi, Japan Tokyo, University, Tanashi, Japan 868 Heidelberg Univ., Heidelberg, Germany Heidelberg Univ., Heidelberg, Germany 869 Jena, Universitaets-Sternwarte, Germany Jena, Universitaets-Sternwarte, Germany 870 Inst. for Advanced Study, Princeton, NJ Inst. for Advanced Study, Princeton, NJ Inst. for Advanced Studies, Princeton, NJ 871 Inst. for Advanced Study Inst. for Advanced Study 872 Lodz, University, Poland Lodz, University, Poland 873 Oklahoma, University, Norman, OK Oklahoma, University, Norman, OK 874 University College, Campbell, Australia University College, Campbell, Australia 875 University of Leeds, Leeds, UK University of Leeds, Leeds, UK 876 Hampshire College, Amherst, MA Hampshire College, Amherst, MA 877 Lille I, Universite, Lille, France Lille I, Universite, Lille, France 878 Indiana, University, Bloomington, Ind. Indiana, University, Bloomington, Ind. 879 California, University, La Jolla CA California, University, La Jolla CA California University, La Jolla, CA 880 Michigan Univ., Ann Arbor, MI, US Michigan Univ., Ann Arbor, MI, US 881 SRON-Leiden, Leiden, Netherlands SRON-Leiden, Leiden, Netherlands 882 Sterrewacht, Leiden, Netherlands Sterrewacht, Leiden, Netherlands 883 University of Crete, Crete, Greece University of Crete, Crete, Greece 884 Union College, Schenectady, NY Union College, Schenectady, NY 885 Williams College, Williamstown, MA Williams College, Williamstown, MA 886 Lafayette College, Easton, PA Lafayette College, Easton, PA 887 Brandeis Univ., Waltham, MA Brandeis Univ., Waltham, MA 888 Johns Hopkins Univ., MD Johns Hopkins Univ., MD 889 Boston College, Newton, MA Boston College, Newton, MA 890 Colby College, Waterville, ME Colby College, Waterville, ME 891 Bentley College, Waltham, MA Bentley College, Waltham, MA 892 Emmanuel College, Boston, MA Emmanuel College, Boston, MA 893 Alma College, Alma, MI, US Alma College, Alma, MI, US 894 Onsala Rymdobservatorium, Sweden Onsala Rymdobservatorium, Sweden 895 Cabrillo College, Aptos, CA Cabrillo College, Aptos, CA 896 King College, Bristol, TN, US King College, Bristol, TN, US 897 Kenyon College, Gambier, OH Kenyon College, Gambier, OH 898 Roma II, Universite, Rome, Italy Roma II, Universite, Rome, Italy 899 Northeastern Univ., Boston, MA Northeastern Univ., Boston, MA 900 Kansas, University, Lawrence, KS Kansas, University, Lawrence, KS Kansas, University, Lawrence, Kan. 901 Colgate Univ., Hamilton, NY Colgate Univ., Hamilton, NY 902 Colgate University, Hamilton Colgate University, Hamilton 903 Milano, Universita, Milan, Italy Milano, Universita, Milan, Italy 904 Onsala Space Observatory, Onsala Onsala Space Observatory, Onsala 905 Lehigh Univ., Bethlehem, PA, US Lehigh Univ., Bethlehem, PA, US 906 Steward Univ., Tucson, AZ, US Steward Univ., Tucson, AZ, US 907 Texas Univ., Austin, TX, US Texas Univ., Austin, TX, US 908 Washington Univ., Saint Louis, MO Washington Univ., Saint Louis, MO 909 Brandeis Univ., Boston, MA, US Brandeis Univ., Boston, MA, US 910 Montana State Univ., Bozeman Montana State Univ., Bozeman 911 Stanford Univ., Stanford, CA, US Stanford Univ., Stanford, CA, US Standord Univ., Stanford, CA, US 912 Penn State University, PA, US Penn State University, PA, US 913 Manitoba, University, Winnipeg, Canada Manitoba, University, Winnipeg, Canada 914 Sao Paulo, Universidad, Brazil Sao Paulo, Universidad, Brazil Sao Paulo Universidade, Brazil 915 Grenoble I, Universite, Grenoble Grenoble I, Universite, Grenoble 916 Edinburgh, University, Scotland Edinburgh, University, Scotland 917 Bern, Universitat, Switzerland Bern, Universitat, Switzerland Bern, Universitaet, Switzerland 918 Tuebingen, Universitat, West Germany Tuebingen, Universitat, West Germany Tuebingen, Universitaet, West Germany Tuebingen, Universitat, West Germany Tuebingen, Universitaet, West Germany 919 Clarkson University, Potsdam, NY Clarkson University, Potsdam, NY 920 Michigan, University, Dearborn Michigan, University, Dearborn 921 Princeton University Observatory Princeton University Observatory 922 Texas Tech University, Lubbock, TX Texas Tech University, Lubbock, TX 923 Mons, Universite, Mons, Belgium Mons, Universite, Mons, Belgium 924 Cornell University, Ithaca, N.Y. Cornell University, Ithaca, N.Y. Cornel University, Ithaca, N.Y. 925 Nebraska, University, Lincoln, NE Nebraska, University, Lincoln, NE 926 Kyoto University, Uji, Japan Kyoto University, Uji, Japan 927 California, University, Irvine California, University, Irvine 928 Orleans, Universite, France Orleans, Universite, France 929 Yale University, New Haven, CT Yale University, New Haven, CT Yale University, Hew Haven, CT 930 Yale Univ., New Haven, CT, US Yale Univ., New Haven, CT, US 931 Alabama Univ., Huntsville, AL, US Alabama Univ., Huntsville, AL, US 932 Andhra University, Waltair, India Andhra University, Waltair, India 933 Western Ontario, University, Canada Western Ontario, University, Canada 934 Kiel, Neue Universitaet Kiel, Neue Universitaet 935 Mons, Universite, Belgium Mons, Universite, Belgium 936 Pune, University, India Pune, University, India 937 Univ de Nice, Nice, France Univ de Nice, Nice, France Univ. de Nice, Nice, France 938 University College, Galway University College, Galway 939 Santander, Universidad Spain Santander, Universidad Spain 940 Drake Univ., Des Moines, IA Drake Univ., Des Moines, IA 941 Citadel, Charleston, SC Citadel, Charleston, SC Citadel, Charleston, S.C. 942 Princeton Univ., NJ Princeton Univ., NJ 943 Utah Univ., Salt Lake City Utah Univ., Salt Lake City 944 Tromso, Universitetet, Norway Tromso, Universitetet, Norway 945 Leiden, Rijksuniversiteit Leiden, Rijksuniversiteit 946 Bonn Univ., Bonn, Germany Bonn Univ., Bonn, Germany 947 Univ. of Crete, Greece Univ. of Crete, Greece 948 Space Telescope Science Institute Space Telescope Science Institute 949 Stanford Univ., Sandford, CA, US Stanford Univ., Sandford, CA, US 950 Rutgers University, New Brunswick, NJ Rutgers University, New Brunswick, NJ 951 Muenster, Universitaet, West Germany Muenster, Universitaet, West Germany 952 Michigan, University, Observatory, Ann Arbor, Mich. Michigan, University, Observatory, Ann Arbor, Mich. 953 Oslo, University, Blindern, Norway Oslo, University, Blindern, Norway 954 Houston, University, Houston, Tex. Houston, University, Houston, Tex. 955 Koeln, Universitaet, Cologne Koeln, Universitaet, Cologne 956 Missouri, University, St. Louis, MO Missouri, University, St. Louis, MO 957 Sussex, University, Brighton Sussex, University, Brighton Sussex University, Brighton 958 Liege, Universite de l'Etat Liege, Universite de l'Etat 959 Tromso, Universitetet, Tromso Tromso, Universitetet, Tromso 960 Maryland, University, College P Maryland, University, College P 961 Lecce, Universita, Lecce, Italy Lecce, Universita, Lecce, Italy 962 Thrace, University, Xanthi, Greece Thrace, University, Xanthi, Greece Thrace, University, Xanthe, Greece 963 California, University, San Diego California, University, San Diego 964 Georgia State University, Atlanta, GA Georgia State University, Atlanta, GA 965 Chambery, Universite, France Chambery, Universite, France 966 Paris VII, Universite, France Paris VII, Universite, France Paris VI, Universite, France Paris XI, Universite, France Paris VII, Universite, Fance 967 Dijon, Universite, Dijon, France Dijon, Universite, Dijon, France 968 Michigan, University, Ann Arbor Michigan, University, Ann Arbor 969 Minnesota, University, Minneapolis Minnesota, University, Minneapolis 970 California, University, La Jolla California, University, La Jolla 971 Osaka City University, Japan Osaka City University, Japan 972 San Jose State University, CA San Jose State University, CA 973 Montana State University, Bozeman Montana State University, Bozeman 974 Nebraska University, Lincoln Nebraska University, Lincoln 975 Montpellier II, Universite, Montpellier Montpellier II, Universite, Montpellier 976 Mankato State University, MN Mankato State University, MN 977 University of Vienna, Vienna, Austria University of Vienna, Vienna, Austria 978 University of Iowa, IA, US University of Iowa, IA, US 979 Old Dominion University, Norfolk, Va. Old Dominion University, Norfolk, Va. 980 Kokugakuin University, Tokyo, Japan Kokugakuin University, Tokyo, Japan 981 Queen's University, Kingston, Ontario Queen's University, Kingston, Ontario 982 Kobe Women's University, Kobe, Japan Kobe Women's University, Kobe, Japan 983 Glasgow, University, Scotland Glasgow, University, Scotland 984 Strathclyde, University, Glasgow, Scotland Strathclyde, University, Glasgow, Scotland Strathclyde University, Glasgow, Scotland 985 Auroral Observatory, Tromso, Norway Auroral Observatory, Tromso, Norway 986 Onsala Rymdoobservatorium, Sweden Onsala Rymdoobservatorium, Sweden 987 Edinburgh University, Edinburgh, Scotland Edinburgh University, Edinburgh, Scotland Edinburgh, University, Edinburgh, Scotland 988 Sevilla, Universidad, Cadiz, Spain Sevilla, Universidad, Cadiz, Spain 989 Okayama University, Okayama, Japan Okayama University, Okayama, Japan 990 Sidney, University, Sydney, Australia Sidney, University, Sydney, Australia 991 Ankara University, Ankara, Turkey Ankara University, Ankara, Turkey 992 Nagoya University, Nagoya, Japan Nagoya University, Nagoya, Japan 993 Vienna, Universitaet, Wien, Austria Vienna, Universitaet, Wien, Austria 994 Gifu University, Gifu, Japan Gifu University, Gifu, Japan 995 Toronto, University, Scarborough, Canada Toronto, University, Scarborough, Canada 996 Silesia, University, Katowice, Poland Silesia, University, Katowice, Poland 997 Wroclaw, Uniwersytet, Poland Wroclaw, Uniwersytet, Poland 998 Orleans, Universite, Orleans, France Orleans, Universite, Orleans, France 999 Surrey, University, Guildford, England Surrey, University, Guildford, England 1000 Tokyo University, Tokyo, Japan Tokyo University, Tokyo, Japan 1001 Patras, University, Patras, Greece Patras, University, Patras, Greece 1002 Trondheim, University, Norway Trondheim, University, Norway 1003 Muenchen, Universitaet, Munich, Germany Muenchen, Universitaet, Munich, Germany 1004 Mainz, Universitaet, West Germany Mainz, Universitaet, West Germany 1005 Nice, Universite, Nice, France Nice, Universite, Nice, France 1006 Sussex, University, Sussex, England Sussex, University, Sussex, England 1007 Besancon, Universite, France Besancon, Universite, France 1008 California, University, Berkeley California, University, Berkeley California University, Berkeley 1009 Firenze, Universita, Arcetri, Italy Firenze, Universita, Arcetri, Italy 1010 Paris XI, Universite, Orsay, Essonne Paris XI, Universite, Orsay, Essonne 1011 Torino, Universita, Turin, Italy Torino, Universita, Turin, Italy 1012 Ibaraki, University, Mito, Japan Ibaraki, University, Mito, Japan Ibaraki University, Mita, Japan 1013 Hokaido University, Sapporo, Japan Hokaido University, Sapporo, Japan Hokkaido University, Sapporo, Japan 1014 La Laguna, Universidad, Tenerife, Spain La Laguna, Universidad, Tenerife, Spain 1015 Arizona, University, Tucson, Ariz. Arizona, University, Tucson, Ariz. 1016 Minnesota, University, Minneapolis, Minn. Minnesota, University, Minneapolis, Minn. Minnesota University, Minneapolis, Minn. Minnesota, University, Minneapolis, Min. 1017 Univ. of Amsterdam, Amsterdam, Netherlands Univ. of Amsterdam, Amsterdam, Netherlands 1018 Computer Sciences Corp., Silver Spring Computer Sciences Corp., Silver Spring 1019 Computer Sciences Corp., Greenbelt, Md. Computer Sciences Corp., Greenbelt, Md. 1020 University of Toledo, Toledo, OH, US University of Toledo, Toledo, OH, US 1021 Univ. of Washington, Seattle, WA, US Univ. of Washington, Seattle, WA, US Univ. ofWashington, Seattle, WA, US Univ. of Washington, Settle, WA, US 1022 Landessternwarte, Koenigstuhl, Heidelberg, Germany Landessternwarte, Koenigstuhl, Heidelberg, Germany 1023 University of Leiden, Leiden, Netherlands University of Leiden, Leiden, Netherlands 1024 Western Ontario Univ., London, Canada Western Ontario Univ., London, Canada 1025 Lyon I, Universite, Lyons, France Lyon I, Universite, Lyons, France 1026 Lausanne, Universite, Switzerland Lausanne, Universite, Switzerland 1027 Tennessee, University, Knoxville, Tenn. Tennessee, University, Knoxville, Tenn. 1028 Aegean University, Bornova, Turkey Aegean University, Bornova, Turkey 1029 Sussex, University, Falmer, England Sussex, University, Falmer, England 1030 Paris XI, Universite, Orsay, France Paris XI, Universite, Orsay, France 1031 Cordoba, Universidad Nacional, Argentina Cordoba, Universidad Nacional, Argentina 1032 Alabama, University, Huntsville, Ala. Alabama, University, Huntsville, Ala. 1033 Firenza, Universita, Florence, Italy Firenza, Universita, Florence, Italy 1034 Computer Sciences Corp., El Segundo, CA Computer Sciences Corp., El Segundo, CA 1035 Florence Univ., Florence, Italy Florence Univ., Florence, Italy 1036 Saint Mary's College, Moraga, CA Saint Mary's College, Moraga, CA 1037 University College, London, United Kingdom University College, London, United Kingdom 1038 Universitat Basel, Binningen, Switzerland Universitat Basel, Binningen, Switzerland 1039 New Mexico, University, Albuquerque, NM New Mexico, University, Albuquerque, NM 1040 Boston, Univ., Boston, MA, US Boston, Univ., Boston, MA, US 1041 Texas, University, San Antonio, TX Texas, University, San Antonio, TX 1042 Delhi, University, New Delhi, India Delhi, University, New Delhi, India 1043 La Plata Universidad Nacional CONICET La Plata Universidad Nacional CONICET 1044 Indiana Univ., South Bend, IN, US Indiana Univ., South Bend, IN, US 1045 Ibaraki University, Mito, Japan Ibaraki University, Mito, Japan 1046 Stanford University, Stanford, CA Stanford University, Stanford, CA Stanford, University, Stanford, CA 1047 Sao Paulo, Universidade, Brazil Sao Paulo, Universidade, Brazil Sao Paolo, Universidade, Brazil 1048 Brandeis University, Waltham, MA Brandeis University, Waltham, MA Brandeis Universiy, Waltham, MA Brandeis University, Waltham, MA Brandeis Universiy, Waltham, MA 1049 Bruxelles, Universite Libre Bruxelles, Universite Libre 1050 Nagoya University, Chikusa, Japan Nagoya University, Chikusa, Japan 1051 Valladolid, Universidad, Spain Valladolid, Universidad, Spain 1052 Rochester, University, Rochester, N.Y. Rochester, University, Rochester, N.Y. 1053 Syracuse University, Syracuse, N.Y. Syracuse University, Syracuse, N.Y. 1054 Texas, University, Arlington, Tex. Texas, University, Arlington, Tex. 1055 Wisconsin, University, Eau Claire, WI Wisconsin, University, Eau Claire, WI 1056 Arizona State University, Tucson Arizona State University, Tucson 1057 Jadavpur University, Calcutta, India Jadavpur University, Calcutta, India 1058 Cornell University, Ithaca, NY, US Cornell University, Ithaca, NY, US 1059 California, University, Livermore California, University, Livermore 1060 Mew Mexico, University, Albuquerque Mew Mexico, University, Albuquerque New Mexico, University, Albuquerque 1061 Max Planck Society, Jena, Germany Max Planck Society, Jena, Germany 1062 Wise Observatory, Tel Aviv, Israel Wise Observatory, Tel Aviv, Israel 1063 Paris XI, Orsay, Essonne, France Paris XI, Orsay, Essonne, France 1064 Missouri Univ., Saint Louis Missouri Univ., Saint Louis 1065 Wisconsin Univ., Milwaukee Wisconsin Univ., Milwaukee 1066 Onsala Rymdobervatorium, Sweden Onsala Rymdobervatorium, Sweden 1067 Athens, Academy, Athens, Greece Athens, Academy, Athens, Greece 1068 Royal Observatory, Edinburgh, UK Royal Observatory, Edinburgh, UK 1069 Osaka, Kyoiku University, Japan Osaka, Kyoiku University, Japan Osaka Kyoiku University, Japan 1070 Weizmann Inst., Rehovot, Israel Weizmann Inst., Rehovot, Israel 1071 McMaster Univ., Hamilton, Ontario, Canada McMaster Univ., Hamilton, Ontario, Canada 1072 NASA Infrared Telescope Facility, HI, US NASA Infrared Telescope Facility, HI, US 1073 Cloudcroft Observatory, Cloudcroft, NM Cloudcroft Observatory, Cloudcroft, NM 1074 Computer Sciences Corp., Beltsville, MD Computer Sciences Corp., Beltsville, MD 1075 Colgate Univ., Hamilton, NY, US Colgate Univ., Hamilton, NY, US 1076 La Plata, Univ. Nacional, Argentina La Plata, Univ. Nacional, Argentina 1077 Bonn, Universitaet, West Germany Bonn, Universitaet, West Germany 1078 York University, Downsview York University, Downsview 1079 Athens, University, Greece Athens, University, Greece 1080 Evora, Universidade, Portugal Evora, Universidade, Portugal 1081 Basel, Universitaet, Basel Basel, Universitaet, Basel 1082 Univ. de Puerto Rico, Humacao Univ. de Puerto Rico, Humacao 1083 Shiba High School, Tokyo, Japan Shiba High School, Tokyo, Japan 1084 Univ. of Sydney, Sydney, Australia Univ. of Sydney, Sydney, Australia 1085 Royal Observatory, Scotland Royal Observatory, Scotland 1086 Nihon Univ., Narashino, Japan Nihon Univ., Narashino, Japan 1087 Oranim Univ., Tivon, Israel Oranim Univ., Tivon, Israel 1088 Northwestern University, Evanston, IL Northwestern University, Evanston, IL 1089 Bonn, Univ., Sternwarte, Germany Bonn, Univ., Sternwarte, Germany 1090 Brandon Univ., Brandon, Canada Brandon Univ., Brandon, Canada 1091 Hiroshima Univ., Hiroshima, Japan Hiroshima Univ., Hiroshima, Japan 1092 Hale Observatories, Pasadena, CA Hale Observatories, Pasadena, CA 1093 Southwestern University, Georgetown, TX Southwestern University, Georgetown, TX 1094 Geneve, Universite, Geneva Geneve, Universite, Geneva 1095 Eotvos Lorand Univ., Budapest, Hungary Eotvos Lorand Univ., Budapest, Hungary 1096 Kentucky, University, Lexington, Ky. Kentucky, University, Lexington, Ky. Kentucky, University, Lexington, KY 1097 Kyoto, University, Japan Kyoto University Japan Kyoto, University, Japan 1098 Bonn, Universitaet, Bonn Bonn, Universitaet, Bonn 1099 Wichita State University, KS Wichita State University, KS 1100 Jerusalem, Hebrew University Jerusalem, Hebrew University 1101 Universitat-GH Siegen, Siegen, Germany Universitat-GH Siegen, Siegen, Germany 1102 Universitat Kiel, Kiel, Germany Universitat Kiel, Kiel, Germany 1103 Sternwarte, Kiel, West Germany Sternwarte, Kiel, West Germany 1104 Univ. Montpellier II, Montpellier, France Univ. Montpellier II, Montpellier, France 1105 Montpellier II, Universite Montpellier II, Universite 1106 York Univ., Toronto, Ontario, Canada York Univ., Toronto, Ontario, Canada 1107 Comprimo, Amsterdam, Netherlands Comprimo, Amsterdam, Netherlands 1108 Firenze, Univ., Florence, Italy Firenze, Univ., Florence, Italy 1109 Univ. de Montreal, Quebec, Canada Univ. de Montreal, Quebec, Canada 1110 Sevilla, Universidad, Seville Sevilla, Universidad, Seville 1111 Pomona College, Claremont, CA Pomona College, Claremont, CA 1112 Montreal, Universite, Canada Montreal, Universite, Canada 1113 Muenster, Universitaet, Germany Muenster, Universitaet, Germany 1114 Yukawa Inst., Kyoto Univ., Kyoto, Japan Yukawa Inst., Kyoto Univ., Kyoto, Japan 1115 Toyama Univ., Toyama, Japan Toyama Univ., Toyama, Japan 1116 Yunnan Normal Univ., Kunming, China Yunnan Normal Univ., Kunming, China 1117 Niigata University, Niigata, Japan Niigata University, Niigata, Japan 1118 Toronto Univ., Mississanga, Canada Toronto Univ., Mississanga, Canada 1119 Kagoshima Univ., Kagoshima, Japan Kagoshima Univ., Kagoshima, Japan 1120 Victoria Univ., Victoria, Canada Victoria Univ., Victoria, Canada 1121 Stockholm, Universitet, Sweden Stockholm, Universitet, Sweden 1122 Hebrew Univ., Jerusalem, Israel Hebrew Univ., Jerusalem, Israel 1123 Hosei Univ., Koganei, Tokyo, Japan Hosei Univ., Koganei, Tokyo, Japan 1124 Univ. Gent, Gent, Belgium Univ. Gent, Gent, Belgium 1125 Kyoto Univ., Sakyo, Kyoto, Japan Kyoto Univ., Sakyo, Kyoto, Japan 1126 Royal Observatory, Edinburgh, England Royal Observatory, Edinburgh, England Royal Observatory, Edinburg, England 1127 Montpellier II, Univ., France Montpellier II, Univ., France 1128 Univ. of Helsinki, Finland Univ. of Helsinki, Finland 1129 Univ. of Wisconsin, La Crosse, WI, US Univ. of Wisconson, La Crosse, WI, US Univ. of Wisconsin, La Crosse, WI, US Univ. of Wisconson, La Crosse, WI, US Univ. of Wisconsin, La Crosse, WI, US 1130 National Radio Astronomy Observatory National Radio Astronomy Observatory National Radioastronomy Observatory 1131 Helsinki, University, Observatory Helsinki, University, Observatory 1132 NIKHEF, Netherlands NIKHEF, Netherlands 1133 Observatoire de Lyon, France Observatoire de Lyon, France 1134 Iowa Univ., Iowa City, IA, US Iowa Univ., Iowa City, IA, US 1135 Los Alamos National Lab. Los Alamos National Lab. 1136 Kentucky Univ., Lexington Kentucky Univ., Lexington 1137 Lodz Univ., Lodz, Poland Lodz Univ., Lodz, Poland 1138 Tel-Aviv University, Israel Tel-Aviv University, Israel Tel Aviv, University, Israel 1139 Tufts Univ., Medford, MA Tufts Univ., Medford, MA 1140 Lund, University, Sweden Lund, University, Sweden 1141 Ist. Universitario Navale Ist. Universitario Navale 1142 Kyoto Sangyo Univ., Japan Kyoto Sangyo Univ., Japan 1143 Rennes I, Universite, France Rennes I, Universite, France 1144 Roma I, Universita, Italy Roma II, Universita, Italy Roma I, Universita, Italy 1145 Bonn, Univ., Sternwarte Bonn, Univ., Sternwarte 1146 Drew Univ., Madison, NJ Drew Univ., Madison, NJ 1147 Niigata Univ., Niigata, Japan Niigata Univ., Niigata, Japan 1148 Poona University, India Poona University, India 1149 York University, Canada York University, Canada 1150 Yale Univ., New Haven, CT Yale Univ., New Haven, CT 1151 Brandon Univ., Brandon, Ontario, Canada Brandon Univ., Brandon, Ontario, Canada 1152 New York University, NY New York University, NY 1153 Toledo, University, OH Toledo, University, OH 1154 Palermo, Universita Palermo, Universita 1155 Montreal, Universite Montreal, Universite 1156 Stockholm Univ., Sweden Stockholm Univ., Sweden 1157 Oslo, Universitet, Norway Oslo, Universitet, Norway Oslo, University, Norway 1158 Delhi, University, India Delhi, University, India 1159 Bochum, Ruhr-Universitaet Bochum, Ruhr-Universitaet 1160 Umea Universitet, Sweden Umea Universitet, Sweden 1161 Toyama University, Japan Toyama University, Japan 1162 Shiraz University, Iran Shiraz University, Iran 1163 Catania, Universita, Italy Catania, Universita, Italy 1164 Sao Paulo Univ., Brazil Sao Paulo, Univ., Brazil Sao Paulo Univ., Brazil Sao Paolo Univ., Brazil 1165 Brandon Univ., Canada Brandon Univ., Canada 1166 Muenchen, Univ., Munich Muenchen, Univ., Munich 1167 Salonika Univ., Greece Salonika Univ., Greece 1168 Montreal Univ., Canada Montreal Univ., Canada 1169 CNRS, Paris, France CNRS, Paris, France 1170 Milan Univ., Italy Milan Univ., Italy 1171 Nice, Univ., France Nice, Univ., France Nice Univ., France 1172 Paris VII, Univ., France Paris VII, Univ., France Paris VI, Univ., France 1173 New Mexico Univ., Albuquerque New Mexico Univ., Albuquerque 1174 NRC, Ottawa, Canada NRC, Ottawa, Canada 1175 CNR-GNA, Trieste, Italy CNR-GNA, Trieste, Italy 1176 Colorado Univ., Boulder Colorado Univ., Boulder 1177 Barcelona, Universidad Barcelona, Universidad 1178 Richmond Hill, Ontario Richmond Hill, Ontario 1179 Lisbon Univ., Portugal Lisbon Univ., Portugal 1180 Texas, Univerity Texas, University Texas, Univerity 1181 Citrus College, Azusa, CA Citrus College, Azusa, CA 1182 Clark Atlanta Univ., GA Clark Atlanta Univ., GA 1183 Titan Systems, Inc. Titan Systems, Inc. 1184 ERDA, Ames, Iowa ERDA, Ames, Iowa 1185 College de France College de France 1186 Sissa, Trieste, Italy Sissa, Trieste, Italy 1187 Univ. di Pisa, Italy Univ. di Pisa, Italy 1188 Liege Univ., Belgium Liege Univ., Belgium 1189 Chiba Univ., Japan Chiba Univ., Japan 1190 Beijing Univ., China Beijing Univ., China 1191 Salamanca Univ., Spain Salamanca Univ., Spain 1192 Minnesota Univ. Minnesota Univ. 1193 Blida Univ., Algeria Blida Univ., Algeria 1194 La Plata, Univ. Nacional La Plata, Univ. Nacional 1195 Lund, Universitet, Lund, Sweden Lund, Universitet, Lund, Sweden 1196 Vigo, Universidad, Spain Vigo, Universidad, Spain 1197 Stockholm, University, Sweden Stockholm, University, Sweden 1198 Ithaca College, Ithaca, NY Ithaca College, Ithaca, NY 1199 Lecce Univ., Italy Lecce Univ., Italy 1200 Niigata University, Japan Niigata University, Japan 1201 Regis College, Weston, MA Regis College, Weston, MA 1202 Princeton Univ. Observatory, NJ Princeton Univ. Observatory, NJ Princeton Univ., Observatory, NJ 1203 Illinois Univ., Chicago Illinois Univ., Chicago 1204 Nevada Univ., Las Vegas Nevada Univ., Las Vegas 1205 Univ.-Sternwarte, Munich Univ.-Sternwarte, Munich 1206 Nice, Universite, France Nice, Universite, France 1207 Roma I, Universita, Rome Roma I, Universita, Rome 1208 Kiel Univ., Germany Kiel Univ., Germany 1209 Pisa, Universita, Pisa Pisa, Universita, Pisa 1210 Michigan Univ., Ann Arbor Michigan Univ., Ann Arbor 1211 Unvi. Paris, France Unvi. Paris, France 1212 Maryland Univ., College Park Maryland Univ., College Park 1213 Brown Univ., Providence, RI, US Brown Univ., Providence, RI, US 1214 Tokyo Gakugei Univ., Tokyo, Japan Tokyo Gakugei Univ., Tokyo, Japan 1215 Kyushu Univ., Fukuopka, Japan Kyushu Univ., Fukuopka, Japan Kyushu Univ., Fukuoka, Japan 1216 Rikkyo Univ., Tokyo, Japan Rikkyo Univ., Tokyo, Japan Rikkyo Univ., Tokyo, Japan 1217 Kokugakuin Univ., Tokyo, Japan Kokugakuin Univ., Tokyo, Japan 1218 Sofia Univ., Bulgaria Sofia Univ., Bulgaria 1219 Osaka Univ., Osaka, Japan Osaka Univ., Osaka, Japan 1220 Miyazaki University, Japan Miyazaki University, Japan 1221 Utsunomiya University, Japan Utsunomiya University, Japan 1222 Nagoya Univ., Toyokawa, Japan Nagoya Univ., Toyokawa, Japan Nagoya Univ., Toyokawa, Japan 1223 Tohoku Univ., Sendai, Japan Tohoku Univ., Sendai, Japan 1224 Oslo Univ., Oslo, Norway Oslo Univ., Oslo, Norway 1225 Keio Univ., Hiyoshi, Japan Keio Univ., Hiyoshi, Japan 1226 Kyoto Univ., Japan Kyoto Univ., Japan 1227 Tokyo Univ., Komaba, Japan Tokyo Univ., Komaba, Japan Tokyo Univ., Komaba, Japan 1228 Gifu Univ., Gifu, Japan Gifu Univ., Gifu, Japan 1229 Torun Univ., Poland Torun Univ., Poland 1230 Queen's Univ., Kingston, Canada Queen's Univ., Kingston, Canada 1231 Hokkaido Univ., Sapporo, Japan Hokkaido Univ., Sapporo, Japan 1232 York Univ., Ontario, Canada York Univ., Ontario, Canada 1233 Kyoto Univ., Uji and Kyoto, Japan Kyoto Univ., Uji and Kyoto, Japan 1234 Brandeis Univ., Waltham, MA, US Brandeis Univ., Waltham, MA, US 1235 Negev Univ., Beersheba, Israel Negev Univ., Beersheba, Israel 1236 Univ. de Chile Univ. de Chile 1237 Observatoire Midi-Pyrenees Observatoire Midi-Pyrenees 1238 Observatorio Felix Aguilar Observatorio Felix Aguilar 1239 Belfast, Queen's Univ. Belfast, Queen's Univ. 1240 Valladolid Univ., Spain Valladolid Univ., Spain 1241 Liege, Univ., Belgium Liege, Univ., Belgium 1242 Boston Univ., MA Boston Univ., MA 1243 Delhi Univ., India Delhi Univ., India 1244 Kyoto Gakuen Univ., Japan Kyoto Gakuen Univ., Japan 1245 Waterloo Univ., Canada Waterloo Univ., Canada 1246 Saint Mary's Univ., Halifax Saint Mary's Univ., Halifax 1247 Cincinnati Univ., OH Cincinnati Univ., OH 1248 Sevilla, Univ., Spain Sevilla, Univ., Spain 1249 Minnesota Univ., Morris Minnesota Univ., Morris 1250 Inst. of Physics Inst. of Physics 1251 Delaware Univ., Newark Delaware Univ., Newark 1252 Lodz, Uniwersytet, Poland Lodz, Uniwersytet, Poland 1253 Kent, University, England Kent, University, England 1254 Basel Univ., Switzerland Basel Univ., Switzerland 1255 Univ. of Tokyo, Nagano, Japan Univ. of Tokyo, Nagano, Japan 1256 Univ. of Hong Kong, Hong Kong, China Univ. of Hong Kong, Hong Kong, China 1257 Univ. of Nigeria, Nsukka Univ. of Nigeria, Nsukka 1258 University of Colorado, Boulder, CO, US University of Colorado, Boulder, CO, US Univeristy of Colorado, Boulder, CO, US 1259 North Carolina State University, Raleigh North Carolina State University, Raleigh 1260 Utah, University, Salt Lake City Utah, University, Salt Lake City 1261 Maine Univ., Orono, ME, US Maine Univ., Orono, ME, US 1262 Montreal Univ., Montreal, Canada Montreal Univ., Montreal, Canada 1263 Porto Univ., Portugal Porto Univ., Portugal 1264 Lund Univ., Sweden Lund Univ., Sweden 1265 Georgia Univ., Athens Georgia Univ., Athens 1266 Tartu Univ., Estonia Tartu Univ., Estonia 1267 Tohoku Univ., Sendai Tohoku Univ., Sendai 1268 Rennes I, Univ., France Rennes I, Univ., France 1269 Castellon Univ., Spain Castellon Univ., Spain 1270 Potsdam Univ., Germany Potsdam Univ., Germany 1271 Rice Univ., Houston, TX Rice Univ., Houston, TX 1272 Goteborg Univ., Sweden Goteborg Univ., Sweden 1273 RIKEN, Wako, Japan RIKEN, Wako, Japan 1274 FNRS, Liege, Belgium FNRS, Liege, Belgium 1275 DAEC, Meudon, Paris DAEC, Meudon, Paris 1276 MPIfR, Bonn, Germany MPIfR, Bonn, Germany 1277 IKI, Moscou, Russia IKI, Moscou, Russia IKI, Moscow, Russia 1278 CNR, Rome, Italy CNR, Rome, Italy 1279 SISSA, Trieste, Italy SISSA, Trieste, Italy 1280 INFN, Perugia, Italy INFN, Perugia, Italy 1281 UNAM, Mexico, Mexico UNAM, Mexico, Mexico 1282 ENEA, Bologna, Italy ENEA, Bologna, Italy 1283 CHEAF, Amsterdam CHEAF, Amsterdam 1284 Oulu Univ., Finland Oulu Univ., Finland 1285 Athens Univ., Athens, Greece Athens Univ., Athens, Greece 1286 Osservatorio di Brera Osservatorio di Brera 1287 Melbourne Univ., Australia Melbourne Univ., Australia 1288 Yamagata Univ., Japan Yamagata Univ., Japan 1289 Vigo Univ., Spain Vigo Univ., Spain 1290 Regina Univ., Canada Regina Univ., Canada 1291 Texas Univ., Austin Texas Univ., Austin 1292 Oslo Univ., Norway Oslo Univ., Norway 1293 SofTech, Waltham, MA SofTech, Waltham, MA 1294 Kobe Univ., Hyogo, Japan Kobe Univ., Hyogo, Japan 1295 Iowa Univ., Iowa City Iowa Univ., Iowa City 1296 Victoria, University Victoria, University Victoria, University 1297 Rochester University Rochester University Rochester, University 1298 Kyoto Univ., Uji Kyoto Univ., Uji 1299 York Univ., Toronto York Univ., Toronto 1300 Pittsburgh Univ., PA Pittsburgh Univ., PA 1301 Clemson Univ., SC Clemson Univ., SC 1302 Paris VII, Univ. Paris VII, Univ. 1303 California Univ. California Univ. 1304 Lorand Eotvos Univ. Lorand Eotvos Univ. 1305 Princeton, NJ, US Princeton, NJ, US 1306 Villanova Univ., PA Villanova Univ., PA 1307 NCAR, Boulder, CO NCAR, Boulder, CO 1308 Univ. of Crete Univ. of Crete 1309 Auburn Univ., AL Auburn Univ., AL 1310 RHUS C, DENMARK RHUS C, DENMARK 1311 Hughes STX, Inc. Hughes STX, Inc. 1312 IUCAA, Pune, India IUCAA, Pune, India 1313 Lockheed Corp. Lockheed Corp. 1314 SISSA, Trieste SISSA, Trieste 1315 Hauts-de-Seine Hauts-de-Seine 1316 CERCA, Canada CERCA, Canada 1317 CNRS, Lyon, France CNRS, Lyon, France 1318 ISON, WI 53706 ISON, WI 53706 1319 CERN, Switzerland CERN, Switzerland 1320 Alcalade Henares Alcalade Henares 1321 Roma I, Univ. Roma II, Univ. Roma I, Univ. 1322 CONICET, Argentina CONICET, Argentina 1323 Liege, Universite, Liege Liege, Universite, Liege 1324 Leeds University, Leeds Leeds University, Leeds 1325 Tel Aviv Univ., Israel Tel Aviv Univ., Israel 1326 New York Univ., NY New York Univ., NY 1327 Wyoming Univ. Wyoming Univ. 1328 Lecce Univ. Lecce Univ. Lecce Univ. 1329 Chicago Univ., IL Chicago Univ., IL 1330 Johns Hopkins Univ. Johns Hopkins Univ. 1331 Notre Dame Univ., IN Notre Dame Univ., IN 1332 Tromso, Universitetet Tromso, Universitetet 1333 Columbia University, NY Columbia University, NY 1334 Nice, Universite, Nice Nice, Universite, Nice 1335 Muenchen, Universitaet Muenchen, Universitaet 1336 Observatoire de Mexico, Mexico Observatoire de Mexico, Mexico 1337 McGill Univ., Montreal, Canada McGill Univ., Montreal, Canada 1338 Univ. Bern, Bern, Switzerland Univ. Bern, Bern, Switzerland 1339 Osaka Univ., Osdaka, Japan Osaka Univ., Osdaka, Japan 1340 Western Ontario Univ., London Western Ontario Univ., London 1341 Cairo Univ., Giza, Egypt Cairo Univ., Giza, Egypt 1342 Sophia Univ., Tokyo, Japan Sophia Univ., Tokyo, Japan 1343 Indiana Univ., Bloomington Indiana Univ., Bloomington 1344 Lille I, Universite, France Lille I, Universite, France 1345 Tel Aviv University, Israel Tel Aviv University, Israel 1346 Harvard-Smithsonian, Cambridge, MA, US Harvard-Smithsonian, Cambridge, MA, US 1347 Univ. de Cantabria, Spain Univ. de Cantabria, Spain 1348 Kyushu University, Fukuoda, Japan Kyushu University, Fukuoda, Japan Kyushu University, Fukuoka, Japan 1349 Kyoto Sangyo Univ., Kyoto, Japan Kyoto Sangyo Univ., Kyoto, Japan 1350 Wheaton College, Norton, MA Wheaton College, Norton, MA 1351 Bochum, Ruhr-Univ. Bochum, Ruhr-Univ. 1352 Korea Astronomy Observatory Korea Astronomy Observatory 1353 Sterrewacht Leiden, Netherlands Sterrewacht Leiden, Netherlands 1354 Univ. de Chile, Santiago Univ. de Chile, Santiago 1355 The Citadel, Charleston, SC The Citadel, Charleston, SC 1356 Princeton University, NJ Princeton University, NJ 1357 Institut za Fiziku Institut za Fiziku 1358 Padua Univ. Padua Univ. 1359 Univ. of Kent, Kent, UK Univ. of Kent, Kent, UK 1360 Yamagata University, Japan Yamagata University, Japan 1361 Tsukuba, University, Japan Tsukuba, University, Japan 1362 Jerusalem Hebrew Univ., Israel Jerusalem Hebrew Univ., Israel 1363 Univ. Graz, Graz, Austria Univ. Graz, Graz, Austria 1364 Univ. Wien, Weien, Austria Univ. Wien, Weien, Austria 1365 Universitatsplatz, Graz, Austria Universitatsplatz, Graz, Austria 1366 Univ. Wien, Wien, Austria Univ. Wien, Wien, Austria 1367 Athens, National Observatory Athens, National Observatory 1368 Uppsala Astronomical Observatory Uppsala Astronomical Observatory 1369 Nebraska Univ., Lincoln Nebraska Univ., Lincoln 1370 Palomar Observatory, Pasadena Palomar Observatory, Pasadena 1371 IUE Observatory IUE Observatory 1372 Max-Planck-Gesellschaft, Germany Max-Planck-Gesellschaft, Germany 1373 Ecole Polytechnique, Palaiseau, France Ecole Polytechnique, Palaiseau, France 1374 DFVLR, Wessling, West Germany DFVLR, Wessling, West Germany 1375 York University York University 1376 Lille I, Universite Lille I, Universite 1377 The University, UK The University, UK 1378 Genoa Univ., Italy Genoa Univ., Italy 1379 Bonn, Universitaet Bonn, Universitaet 1380 Bern Univ., Switzerland Bern Univ., Switzerland 1381 Mees Observatory Mees Observatory 1382 Tufts University, Medford, Mass. Tufts University, Medford, Mass. 1383 Tokyo, University Japan Tokyo, University Japan Tokyo, University, Japan Tokyo, University Japan Tokyo, University, Japan 1384 Roma II, Univ., Rome Roma II, Univ., Rome 1385 Royal Observatory Royal Observatory Royal Observatory 1386 USAF, Space Div. USAF, Space Div. 1387 Hughes/STX Corp. Hughes/STX Corp. 1388 Oklahoma Univ., Norman Oklahoma Univ., Norman 1389 Roma, Universita, Rome Roma, Universita, Rome 1390 Pittsburgh, University, PA Pittsburgh, University, PA 1391 Lund Observatory, Sweden Lund Observatory, Sweden 1392 Kwasan Observatory, Kyoto, Japan Kwasan Observatory, Kyoto, Japan 1393 Landessternwarte, Heidelberg, West Germany Landessternwarte, Heidelberg, West Germany 1394 New Mexico St. Univ., Las Cruces, NM, US New Mexico St. Univ., Las Cruces, NM, US 1395 Appalachian State University, Boone, NC Appalachian State University, Boone, NC 1396 Sterrewacht Leiden, Leiden, Netherlands Sterrewacht Leiden, Leiden, Netherlands Sterrwacht Leiden, Leiden, Netherlands 1397 Moscow State University, Russia Moscow State University, Russia 1398 University College of Wales, Cardiff University College of Wales, Cardiff 1399 ESA Porz-Wahn, West Germany ESA Porz-Wahn, West Germany 1400 Smith College, Northampton, MA Smith College, Northampton, MA 1401 Bates College, Lewiston, ME Bates College, Lewiston, ME 1402 Rhodes College, Memphis, TN Rhodes College, Memphis, TN 1403 Observatoire du Mont Megantic Observatoire du Mont Megantic 1404 City College, New York, NY City College, New York, NY City College, New York, N.Y. 1405 Manchester, Victoria Univ. Manchester, Victoria Univ. 1406 Amherst College, Amherst, MA Amherst College, Amherst, MA 1407 Los Alamos National Lab., NM Los Alamos National Lab., NM 1408 Barnard College, New York Barnard College, New York 1409 Lambuth College, Jackson, TN Lambuth College, Jackson, TN 1410 Onsala Rymdobservatorium Onsala Rymdobservatorium 1411 Saint Mary's University, Halifax Saint Mary's University, Halifax 1412 George Mason University, Fairfax, VA George Mason University, Fairfax, VA 1413 Indiana Univ., Bloomington, IN, US Indiana Univ., Bloomington, IN, US 1414 Spelman College, Atlanta, GA Spelman College, Atlanta, GA 1415 Palomar Observatory Pasadena, CA Palomar Observatory Pasadena, CA Palomar Observatory, Pasadena,CA 1416 Granada, Universidad Granada, Universidad 1417 Austin State University, TX Austin State University, TX 1418 Utah State University, Logan Utah State University, Logan 1419 Nagoya City Univ., Nagoya, Japan Nagoya City Univ., Nagoya, Japan 1420 Oviedo Univ., Spain Oviedo Univ., Spain 1421 McMaster Univ., Hamilton McMaster Univ., Hamilton 1422 Kenucky, University, Lexington, KY Kenucky, University, Lexington, KY 1423 University of Wales, Cardiff University of Wales, Cardiff 1424 La Plata, Universidad Nacional, La Plata La Plata, Universidad Nacional, La Plata 1425 La Plata, Universidad Nacional, Argentina La Plata, Universidad Nacional, Argentina La Plata, Universidad National, Argentina 1426 Paris VII, Univ., Meudon, France Paris VII, Univ., Meudon, France 1427 Yale University, New Haven, Conn. Yale University, New Haven, Conn. 1428 Wesleyan Univeristy, Middletown, Conn. Wesleyan Univeristy, Middletown, Conn. Wesleyan University, Middletown, Conn. 1429 Sao Paulo, Universidade, Sao Paulo, Brazil Sao Paulo, Universidade, Sao Paulo, Brazil 1430 Nancy I, Universite, Nancy, France Nancy I, Universite, Nancy, France 1431 Emory University, Oxford, GA Emory University, Oxford, GA 1432 Cairo, University, Cairo, Egypt Cairo, University, Cairo, Egypt 1433 Colgate University, Hamilton, NY Colgate University, Hamilton, NY 1434 Bucknell University, Lewisburg, PA Bucknell University, Lewisburg, PA 1435 Alaska, University, Fairbanks, AK Alaska, University, Fairbanks, AK 1436 Bulgarian Academy of Sciences, Sofia, Bulgaria Bulgarian Academy of Sciences, Sofia, Bulgaria 1437 Oregon, University, Eugene, Ore. Oregon, University, Eugene, Ore. 1438 Waterloo, University, Waterloo, Ontario, Canada Waterloo, University, Waterloo, Ontario, Canada 1439 Washington University, St. Louis, MO Washington University, St. Louis, MO Washington University, St. Louis, Mo. Washington, University, St. Louis, MO 1440 New York University, New York New York University, New York 1441 Oslo, Universitetet, Norway Oslo, Universitetet, Norway 1442 Padova, Universita, Padua Padova, Universita, Padua 1443 Lund, Universitet, Sweden Lund, Universitet, Sweden 1444 Calcutta Univ., India Calcutta Univ., India 1445 Jena, Universitaet, Germany Jena, Universitaet, Germany 1446 Bochum, Sternwarte Bochum, Sternwarte 1447 Boston University, MA Boston University, MA Boston, University, MA 1448 Columbia University, New York Columbia University, New York 1449 Chiba University, Japan Chiba University, Japan 1450 Bari, Universita, Italy Bari, Universita, Italy 1451 Athens Univ., Greece Athens Univ., Greece 1452 Valparaiso Univ., IN Valparaiso Univ., IN 1453 Wyoming Univ., Laramie Wyoming Univ., Laramie 1454 City College, New York City College, New York 1455 Oxford Univ., Oxford, UK Oxford Univ., Oxford, UK 1456 Cincinnati Observatory, OH Cincinnati Observatory, OH 1457 National Observatory, Greece National Observatory, Greece 1458 La Plata, Universidad Nacional La Plata, Universidad Nacional 1459 Chile, Universidad, Santiago Chile, Universidad, Santiago 1460 Messina, Universita Messina, Universita 1461 Cadiz, Universidad, Cadiz Cadiz, Universidad, Cadiz 1462 Hong Kong Univ., Hong Kong Hong Kong Univ., Hong Kong 1463 Rochester, University, NY Rochester, University, NY 1464 Calgary Univ., Calgary, Canada Calgary Univ., Calgary, Canada 1465 Kyoto Univ., Uji, Japan Kyoto Univ., Uji, Japan 1466 Kagoshima Univ., Japan Kagoshima Univ., Japan 1467 Niigata Univ., Japan Niigata Univ., Japan 1468 Baja Observatory, Hungary Baja Observatory, Hungary 1469 Ibaraki University, Mito Ibaraki University, Mito 1470 NRC, Victoria, Canada NRC, Victoria, Canada 1471 Bonn Univ., Germany Bonn Univ., Germany Bonn, Univ., Germany Bonn Univ., Germany Bonn, Univ., Germany 1472 Computer Sciences Corp., Seabrook, MD Computer Sciences Corp., Seabrook, MD 1473 Fokker Aerospace, Amsterdam, Netherlands Fokker Aerospace, Amsterdam, Netherlands 1474 Landessternwarte, Koenigstuhl, West Germany Landessternwarte, Koenigstuhl, West Germany 1475 Utrecht, Sterrewacht, Utrecht, Netherlands Utrecht, Sterrewacht, Utrecht, Netherlands 1476 Radiosterrewacht, Dwingeloo, Netherlands Radiosterrewacht, Dwingeloo, Netherlands Radiosterrenwacht, Dwingeloo, Netherlands Radio Sterrewacht, Dwingeloo, Netherlands 1477 Muenster University, Muenster, Germany Muenster University, Muenster, Germany 1478 Univ. of Tokyo, Mitaka, Tokyo, Japan Univ. of Tokyo, Mitaka, Tokyo, Japan 1479 Universitaetssternwarte, Vienna, Austria Universitatssternwarte, Vienna, Austria Universitaetsternwarte, Vienna, Austria Universitaetssternwarte, Vienna, Austria Universitats-Sternwarte, Vienna, Austria Universitatssternwarte, Vienna, Austria Universitaetsternwarte, Vienna, Austria Universitaetssternwarte, Vienna, Austria Universitats-Sternwarte, Vienna, Austria 1480 Univ. of Colorado, Boulder, CO, US Univ. of Colorado, Boulder, CO, US Univ. of Coloradio, Boulder, CO, US 1481 British Columbia Univ. British Columbia Univ. 1482 George Mason Univ., Fairfax, VA, US George Mason Univ., Fairfax, VA, US 1483 Stanford University, Stanford Stanford University, Stanford 1484 Villanova University, Villanova, Pa. Villanova University, Villanova, Pa. 1485 Roma II, Universita, Rome, Italy Roma II, Universita, Rome, Italy Roma, Universita, Rome, Italy Roma I, Universita, Rome, Italy Roma II, Universita, Rome, Italy Roma, Universita, Rome, Italy Roma I, Universita, Rome, Italy 1486 Indiana University, Bloomington, IN Indiana University, Bloomington, IN 1487 Observatoire Astronomique du Mont Megantic Observatoire Astronomique du Mont Megantic 1488 Chalmers Univ. of Tech., Goeteborg, Sweden Chalmers Univ. of Tech., Goeteborg, Sweden 1489 Univ. of Wiconsin, Madison, WI, US Univ. of Wiconsin, Madison, WI, US Univ. of Wisconsin, Madison, WI, US 1490 Panjab University, Chandigarh, India Panjab University, Chandigarh, India 1491 The Univ. of Tokyo, Tokyo, Japan The Univ. of Tokyo, Tokyo, Japan 1492 Glasgow, University, Glasgow, Scotland Glasgow, University, Glasgow, Scotland 1493 Univ. College London, London, UK Univ. College London, London, UK Univ. Coll. London, London, UK 1494 Univ. of Chicago, Williams Bay, WI, US Univ. of Chicago, Williams Bay, WI, US Univ. of Chicago, Willams Bay, WI, US 1495 Chicago Univ., Urbana, IL, US Chicago Univ., Urbana, IL, US 1496 Rutgers Univ., Piscataway, NJ, US Rutgers Univ., Piscataway, NJ, US 1497 Union College, Schenectady, N.Y. Union College, Schenectady, N.Y. 1498 Onsala Space Observatory, Sweden Onsala Space Observatory, Sweden 1499 Univ. of Chicago, Chicago, Il, US Univ. of Chicago, Chicago, Il, US Univ. of Chicago, Chicago, IL, US 1500 Univ. of Illinois, Urbana, IL, US Univ. of Illinois, Urbana, IL, US Univ. of Illinios, Urbana, IL, US 1501 Beloit College, Beloit, WI, US Beloit College, Beloit, WI, US 1502 Universita di Roma, Rome, Italy Universita di Roma, Rome, Italy 1503 Kungl. Tekniska Hogskolan, Stockholm, Sweden Kungl. Tekniska Hogskolan, Stockholm, Sweden Kungliga Tekniska Hogskolan, Stockholm, Sweden 1504 Krakow, Uniwersytet, Krakow, Poland Krakow, Uniwersytet, Krakow, Poland 1505 Sussex, University, Brighton, England Sussex, University, Brighton, England 1506 Heidelberg, Universitaet, Heidelberg Heidelberg, Universitaet, Heidelberg 1507 Indiana State University, Terre Haute Indiana State University, Terre Haute 1508 Bern, Universitaet, Berne, Switzerland Bern, Universitaet, Berne, Switzerland 1509 Oklahoma State University, Stillwater Oklahoma State University, Stillwater 1510 Montana State University, Bozeman, Mont. Montana State University, Bozeman, Mont. 1511 Florida University, Gainesville Florida University, Gainesville 1512 Drake University, Des Moines, Iowa Drake University, Des Moines, Iowa 1513 Sydney, University, Sydney, Australia Sydney, University, Sydney, Australia 1514 Arya Mehr University, Teheran, Iran Arya Mehr University, Teheran, Iran 1515 Tokyo, University, Sagamihara, Japan Tokyo, University, Sagamihara, Japan 1516 Bordeaux I, Universite, Talence, France Bordeaux I, Universite, Talence, France 1517 Arkansas, University, Little Rock Arkansas, University, Little Rock 1518 Churchill College, Cambridge, United Kingdom Churchill College, Cambridge, United Kingdom 1519 Royal Observatory, Edinburgh, United Kingdom Royal Observatory, Edinburgh, United Kingdom 1520 Yunnan Observatory, Kunming, Yunnan, China Yunnan Observatory, Kunming, Yunnan, China 1521 Goldsmiths' College, London, United Kingdom Goldsmiths' College, London, United Kingdom 1522 Univ. College of Wales, Cardiff, United Kingdom Univ. College of Wales, Cardiff, United Kingdom 1523 Yunnan Observatory, Kunming, China Yunnan Observatory, Kumming, China Yunnan Observatory, Kunming, China 1524 Univ. of Western Ontario, London, Canada Univ. of Western Ontario, London, Canada 1525 Kiel, Universitaet, West Germany Kiel, Universitaet, West Germany 1526 California, University, Santa Cruz, CA California, University, Santa Cruz, CA 1527 Edinburgh, Royal Observatory, Edinburgh, Scotland Edinburgh, Royal Observatory, Edinburgh, Scotland 1528 Univ. of Amsterdam, Amsterdam, The Netherlands Univ. of Amsterdam, Amsterdam, The Netherlands 1529 Univ. of Utrecht, Utrecht, Netherlands Univ. of Utrecht, Utrecht, Netherlands 1530 The University of Tokyo, Tokyo, Japan The University of Tokyo, Tokyo, Japan 1531 Athens University, Zografos, Greece Athens University, Zografos, Greece 1532 New South Wales, University, Campbell, Australia New South Wales, University, Campbell, Australia 1533 Univ. de Montreal, Montreal, QC, Canada Univ. de Montreal, Montreal, QC, Canada Univ. de Montreal, Montreal, BC, Canada 1534 Glenlea Astronomical Observatory Glenlea Astronomical Observatory 1535 Crete, University, Heraklion, Greece Crete, University, Heraklion, Greece Crete, University, Iraklion, Greece 1536 Palermo, Universit1/4a, Palermo, Italy Palermo, Universit1/4a, Palermo, Italy 1537 De Paul University, Chicago, Ill. De Paul University, Chicago, Ill. 1538 Maryland, University, Greenbelt, Md. Maryland, University, Greenbelt, Md. 1539 Chinese Academy of Sciences, Graduate School Chinese Academy of Sciences, Graduate School 1540 Russian Academy of Sciences, Troitsk, Russia Russian Academy of Sciences, Troitsk, Russia 1541 Latvian Academy of Sciences, Riga, Latvia Latvian Academy of Sciences, Riga, Latvia 1542 Raman Research Institute Raman Research Institute 1543 The Citadel, Charleston, SC, US The Citadel, Charleston, SC, US 1544 Specola Vaticana, Vatican City State Specola Vaticana, Vatican City State 1545 University of Oslo, Oslo, Norway University of Oslo, Oslo, Norway 1546 Osservatorio di Arcetri, Firenze, Italy Osservatorio di Arcetri, Firenze, Italy 1547 Max-Planck-Inst., Garching, Germany Max-Planck-Inst., Garching, Germany 1548 Eastern College, Saint Davids, PA Eastern College, Saint Davids, PA 1549 New South Wales, University, Kensington New South Wales, University, Kensington 1550 Jerusalem, Hebrew University, Israel Jerusalem, Hebrew University, Israel 1551 Wellesley College, Wellesley, MA Wellesley College, Wellesley, MA 1552 Wayne State University, Detroit, MI Wayne State University, Detroit, MI 1553 Grinnell College, Grinnell, IA Grinnell College, Grinnell, IA 1554 Academy of Sciences, Beijing, China Academy of Sciences, Beijing, China 1555 Max-Planck-Gesellschaft, Jena, Germany Max-Planck-Gesellschaft, Jena, Germany 1556 Sterrewacht Leiden, Leiden, Germany Sterrewacht Leiden, Leiden, Germany 1557 Bonn, Universitat, Bonn, West Germany Bonn, Universitat, Bonn, West Germany Bonn, Universitaet,, Bonn, West Germany Bonn, Universitat, Bonn, West Germany Bonn, Universitaet,, Bonn, West Germany 1558 Illinois, University, Chicago, Ill. Illinois, University, Chicago, Ill. 1559 Athens, National University, Athens, Greece Athens, National University, Athens, Greece 1560 Northwestern University, Evanston, Illinois, US Northwestern University, Evanston, Illinois, US 1561 Toronto, University, Toronto, Canada Toronto, University, Toronto, Canada 1562 Yunnan University, Kunming, China Yunnan University, Kunming, China 1563 Toulon, Universite, La Garde, France Toulon, Universite, La Garde, France 1564 California, University, La Jolla, CA California, University, La Jolla, CA 1565 Maryland, University, Baltimore, MD Maryland, University, Baltimore, MD 1566 California, University, Livermore, CA California, University, Livermore, CA 1567 Koyoto Sangyo University, Kyoto, Japan Koyoto Sangyo University, Kyoto, Japan 1568 Kent, University, Canterbury, England Kent, University, Canterbury, England 1569 Alabama, University, Huntsville, AL Alabama, University, Huntsville, AL 1570 Loyola University, Chicago, Ill. Loyola University, Chicago, Ill. 1571 Universiteit Gent, Gent, Belgium Universiteit Gent, Gent, Belgium 1572 Athens, University, Athens, Greece Athens, University, Athens, Greece 1573 Vrije Universiteit, Amsterdam, Netherlands Vrije Universiteit, Amsterdam, Netherlands 1574 Utrecht, Rijksuniversiteit, Netherlands Utrecht, Rijksuniversiteit, Netherlands Utrecht, Rijksuniversitet, Netherlands Utrecht, Rijksuniversiteit,Netherlands 1575 Weizmann Institute, Rehovot, Israel Weizmann Institute, Rehovot, Israel 1576 Ankara, University, Ankara, Turkey Ankara, University, Ankara, Turkey 1577 Bologna University, Bologna, Italy Bologna University, Bologna, Italy 1578 University of Tokyo, Tokyo, Japan University of Tokyo, Tokyo, Japan 1579 University of Tsukuba, Ibaraki, Japan University of Tsukuba, Ibaraki, Japan 1580 Alabama, University, Birmingham, Ala. Alabama, University, Birmingham, Ala. 1581 Wuerzburg, Universitaet, Wuerzburg, West Germany Wuerzburg, Universitaet, Wuerzburg, West Germany 1582 Alabama, University, University, Ala. Alabama, University, University, Ala. 1583 Ministerio de Educacion, Santiago, Chile Ministerio de Educacion, Santiago, Chile 1584 Chalmers Tekniska Hogskola, Goteborg Chalmers Tekniska Hogskola, Goteborg 1585 Astrofisico di Arcetri, Firenze, Italy Astrofisico di Arcetri, Firenze, Italy 1586 Computer Sciences Corp., Falls Church, VA Computer Sciences Corp., Falls Church, VA 1587 MPI fuer Astrophysik, Garching, Germany MPI fuer Astrophysik, Garching, Germany 1588 Observatoire Royal de Belgique, Uccle, Belgium Observatoire Royal de Belgique, Uccle, Belgium 1589 CNR, Ist. di Fisica Cosmica, Milan CNR, Ist. di Fisica Cosmica, Milan 1590 Universidad Catolica de Chile, Santiago, Chile Universidad Catolica de Chile, Santiago, Chile P. Universidad Catolica de Chile, Santiago, Chile 1591 Universidad Tecnica del Estado, Santiago, Chile Universidad Tecnica del Estado, Santiago, Chile 1592 Space Telescope Science Institute, Baltimore, MD, US Space Telescope Science Institute, Batimore, MD, US Space Telescope Science Institute, Baltimore, MD, US Space Telescope Science Institute, Balitmore, MD, US Space Telescope and Science Institute, Baltimore, MD, US 1593 Space Telescope Science Institute, Baltimore, MD Space Telescope Science Institute, Baltimore, MD Space Telescope Science Institute, Baltimore. MD Space Telescope Space Institute, Baltimore, MD 1594 George Mason Univ., Fairfax, VA George Mason Univ., Fairfax, VA 1595 Glasgow Univ., Glasgow, UK Glasgow Univ., Glasgow, UK 1596 Georgia, University, Athens, Ga. Georgia, University, Athens, Ga. Georgia, University, Athens, GA 1597 Rikkyo University, Tokyo, Japan Rikkyo University, Tokyo, Japan 1598 Tohoku University, Sendai, Japan Tohoku University, Sendai, Japan 1599 Nanjing University, Nanjing, China Nanjing University, Nanjing, China 1600 Colorado University, Boulder, Colo. Colorado University, Boulder, Colo. Colorado, University, Boulder, Colo. 1601 Iwate Univ., Morioka, Japan Iwate Univ., Morioka, Japan 1602 Michigan State University, Lansing, Mich. Michigan State University, Lansing, Mich. 1603 Landessternwarte Koenigstuhl, Heidelberg Landessternwarte Koenigstuhl, Heidelberg 1604 Manchester, Victoria Univ., United Kingdom Manchester, Victoria Univ., United Kingdom 1605 Muenchen, Technische Universitaet, Munich, West Germany Muenchen, Technische Universitaet, Munich, West Germany 1606 Muenchen, Universitaet, Munich, West Germany Muenchen, Universitaet, Munich, West Germany 1607 Vermont, University, Burlington, Vt. Vermont, University, Burlington, Vt. Vermont, University, Burlington, VT 1608 Northwestern University, Evanston, Ill. Northwestern University, Evanston, Ill. 1609 New South Wales Univ., Canberra, Australia New South Wales Univ., Canberra, Australia 1610 ESA, Astronomy Section, Noordwijk, Netherlands ESA, Astronomy Section, Noordwijk, Netherlands 1611 Melbourne, University, Melbourne, Australia Melbourne, University, Melbourne, Australia 1612 Paris X, Universite, Ville-d'Avray, France Paris X, Universite, Ville-d'Avray, France 1613 Marseille I, Universite, Marseille, France Marseille I, Universite, Marseille, France 1614 Tsing Hua University, Hsinchu, Republic of China Tsing Hua University, Hsinchu, Republic of China 1615 Rice University, Houston, Texas, US Rice University, Houston, Texas, US 1616 Sejong University, Seoul, Republic of Korea Sejong University, Seoul, Republic of Korea 1617 Montpellier II, Universite, Montpellier, France Montpellier II, Universite, Montpellier, France 1618 Barcelona, Universidad, Barcelona, Spain Barcelona, Universidad, Barcelona, Spain 1619 Palermo, Universita, Palermo, Italy Palermo, Universita, Palermo, Italy 1620 California, University, Santa Barbara, CA California, University, Santa Barbara, CA 1621 Doshisha University, Kyoto, Japan Doshisha University, Kyoto, Japan 1622 California, University, Santa Cruz, Calif. California, University, Santa Cruz, Calif. California University, Santa Cruz, Calif. 1623 New Mexico, University, Albuquerque, N. Mex. New Mexico, University, Albuquerque, N. Mex. 1624 Basel, Universitaet, Binningen, Switzerland Basel, Universitaet, Binningen, Switzerland 1625 Nagoya University, Chikusa-ku, Japan Nagoya University, Chikusa-ku, Japan 1626 California, University, Santa Cruz and Livermore California, University, Santa Cruz and Livermore 1627 Washington University, St. Louis, MO, US Washington University, St. Louis, MO, US 1628 California, University, Irvine, CA California, University, Irvine, CA 1629 Trinity University, San Antonio, TX Trinity University, San Antonio, TX 1630 Ilinois Univ. at Urbana-Champaign, Urbana, IL, US Ilinois Univ. at Urbana-Champaign, Urbana, IL, US 1631 University of Tokyo, Mitaka, Tokyo, Japan University of Tokyo, Mitaka, Tokyo, Japan 1632 Univ. of Wales, Cardiff, United Kingdom Univ. of Wales, Cardiff, United Kingdom 1633 University of Nevada, Las Vegas, NV, US University of Nevada, Las Vegas, NV, US 1634 University of Alabama, Tucaloosa, AL, US University of Alabama, Tucaloosa, AL, US 1635 University of Washington, Seattle, WA, US University of Washington, Seattle, WA, US 1636 University of Wisconsin, Madison, WI, US University of Wisconsin, Madison, WI, US 1637 University of Delaware, Newark, DE, US University of Delaware, Newark, DE, US University of Deleware, Newark, DE, US 1638 Univ. of Wisconsin-Madison, Madison, WI, US Univ. of Wisconsin-Madison, Madison, WI, US Univ. of Wiconsin-Madison, Madison, WI, US Univ. Wisconsin-Madison, Madison, WI, US Univ. of Wisconsin-Madison, Madison, WI, US Univ. of Wiconsin-Madison, Madison, WI, US Univ. Wisconsin-Madison, Madison, WI, US 1639 University of Illinois, Urbana, IL, US University of Illinois, Urbana, IL, US University of Illinois, Urbans, IL, US 1640 University of California, Irvine, CA, US University of California, Irvine, CA, US 1641 University of Oklahoma, Norman, OK, US University of Oklahoma, Norman, OK, US 1642 Univ. of Virginia, Charlottesvill, VA, US Univ. of Virginia, Charlottesvill, VA, US Univ. of Virgina, Charlottesville, VA, US 1643 University of Michigan, Ann Arbor, MI, UK University of Michigan, Ann Arbor, MI, US University of Michigan, Ann Arbor, MI, UK 1644 University of Stanford, Stanford, CA, US University of Stanford, Stanford, CA, US 1645 Univ. of Tokyo, Tanashi, Tokyo, Japan Univ. of Tokyo, Tanashi, Tokyo, Japan 1646 National Research Council, Ottawa, Ontario, Canada National Research Council, Ottawa, Ontario, Canada 1647 National Research Council of Canada, Ottawa National Research Council of Canada, Ottawa 1648 National Research Council, Victoria, Canada National Research Council, Victoria, Canada 1649 Yonsei University, Seoul, Republic of Korea Yonsei University, Seoul, Republic of Korea 1650 Weizmann Inst. of Science, Rehovot, Israel Weizmann Inst. of Science, Rehovot, Israel 1651 Indian Inst. of Science, Bangalore, India Indian Inst. of Science, Bangalore, India 1652 Indian Inst. of Astrophysics, Bangalore Indian Inst. of Astrophysics, Bangalore 1653 Harvard College Observatory, Cambridge, MA Harvard College Observatory, Cambridge, MA 1654 Ministero de Educacion, Santiago, Chile Ministero de Educacion, Santiago, Chile 1655 University of Iowa, Iowa City, IA, US University of Iowa, Iowa City, IA, US 1656 Univ. College London, London, England, UK Univ. College London, London, England, UK 1657 London Univ. Coll., Dorking, United Kingdom London Univ. Coll., Dorking, United Kingdom 1658 Computer Sciences Corp., Falls Church, Va. Computer Sciences Corp., Falls Church, Va. 1659 ESA Space Sciences Div., Noordwijk, Netherlands ESA Space Sciences Div., Noordwijk, Netherlands 1660 George Mason University, Fairfax, VA 22030, USA George Mason University, Fairfax, VA 22030, USA 1661 Valencia, Universidad Literaria, Burjasot, Spain Valencia, Universidad Literaria, Burjasot, Spain Valencia Universidad Literaria, Burjasot, Spain Valencia, Universidad Literaria, Burjasot, Spain Valencia Universidad Literaria, Burjasot, Spain 1662 Montana State University, Bozeman, Montana, US Montana State University, Bozeman, Montana, US 1663 Royal Observatory, Edinburgh, Scotland Royal Observatory, Edinburgh, Scotland Royal Observatory Edinburgh, Scotland Royal Observatory, Edinburgh, Scotland Royal Observatory Edinburgh, Scotland 1664 Queen's University, Belfast, Northern Ireland Queen's University, Belfast, Northern Ireland 1665 Eotvos Lorand University, Budapest, Hungary Eotvos Lorand University, Budapest, Hungary 1666 New York, City University, New York, N.Y. New York, City University, New York, N.Y. 1667 Tel Aviv University, Ramat Aviv, Israel Tel Aviv University, Ramat Aviv, Israel Tel Aviv University, Ram-Aviv, Israel 1668 Univ. of Madison - Wisconsin, Madison, WI, US Univ. of Madison - Wisconsin, Madison, WI, US 1669 Center for Astrophysics, Cambridge, MA, US Center for Astrophysics, Cambridge, MA, US 1670 Center for Space Research, Cambridge, MA, US Center for Space Research, Cambridge, MA, US 1671 University of Wisconsin, Madison, Wisconsin, US University of Wisconsin, Madison, Wisconsin, US 1672 University of Colorado, Boulder, Colorado, US University of Colorado, Boulder, Colorado, US 1673 Onsala Space Observatory, Goteborg, Sweden Onsala Space Observatory, Goteborg, Sweden 1674 Rensselaer Polytechnic Inst., Troy, NY, US Rensselaer Polytechnic Inst., Troy, NY, US 1675 CNR, Istituto Plasma Spazio, Frascati, Italy CNR, Istituto Plasma Spazio, Frascati, Italy 1676 Ceskoslovenska Akademie Ved, Astronomicky Ustav, Tatranska Lomnica, Czechoslovakia Ceskoslovenska Akademie Ved, Astronomicky Ustav, Tatranska Lomnica, Czechoslovakia 1677 Ceskoslovenska Akademie Ved, Astronomicky Ustav, Ondrejov, Czechoslovakia Ceskoslovenska Akademie Ved, Astronomicky Ustav, Ondrejov, Czechoslovakia Ceskolovenska Akademie Ved, Astronomicky Ustav, Ondrejov, Czechoslovakia Ceskoslovenska Akademie Ved, Astronomicky Ustav, Prague, Czechoslovakia