ClusMetric - distortion 2030 1 1 Zuerich, Eidgenoessische Technische Hochschule, Zurich, Federal Republic of Germany 1 Zuerich, Eidgenoessische Technische Hochschule, Zurich, Federal Republic of Germany 2 1 Erlangen-Nuernberg, Universitaet, Erlangen, Federal Republic of Germany 2 Erlangen-Nuernberg, Universitaet, Erlangen, Federal Republic of Germany 3 8 Zuerich, Eidgenoessische Technische Hochschule, Zurich, Switzerland 172 Zuerich, Eidgenoessische Technische Hochschule, Zurich, Switzerland 3 Zurich, Eidgenossische Technische Hochschule, Zurich, Switzerland 3 Zuerich, Eidgenoessische Technische Hochschule, Zuerich, Switzerland 2 Zuerich, Eidgenossische Technische Hochschule, Zurich, Switzerland 2 Zuerich, Eidgenoessiche Technische Hochschule, Zurich, Switzerland 1 Zurich, Eidgenoessische Technische Hochschule, Zurich, Switzerland 1 Zuerich, Eidenoessische Technische Hochschule, Zurich, Switzerland 1 Zuerich Eidgenoessische Technische Hochchule, Zurich, Switzerland 4 1 University of Wales Institute of Science and Technology, Cardiff, Wales 1 University of Wales Institute of Science and Technology, Cardiff, Wales 5 1 University of Manchester Institute of Science and Technology, England 77 University of Manchester Institute of Science and Technology, England 6 1 Imperial College of Science, Technology, and Medicine, London, England 16 Imperial College of Science, Technology, and Medicine, London, England 7 1 Imperial College of Science and Technology, London 2 Imperial College of Science and Technology, London 8 1 Univ. of Manchester Inst. of Science and Technology, United Kingdom 12 Univ. of Manchester Inst. of Science and Technology, United Kingdom 9 1 Belfast, Queen's University, United Kingdom 1 Belfast, Queen's University, United Kingdom 10 1 Helsinki, University, Observatory 2 Helsinki, University, Observatory 11 1 Paris VII, Universite, Meudon, France 5 Paris VII, Universite, Meudon, France 12 1 California, University, Los Angeles 267 California, University, Los Angeles 13 1 Oxford, University, United Kingdom 8 Oxford, University, United Kingdom 14 1 U.K. Infrared Telescope, Hilo, HI 3 U.K. Infrared Telescope, Hilo, HI 15 1 The Johns Hopkins Univ., Baltimore, MD, US 4 The Johns Hopkins Univ., Baltimore, MD, US 16 1 North Carolina Univ., Chapel Hill, NC, US 1 North Carolina Univ., Chapel Hill, NC, US 17 1 McMaster University, Ontario, Canada 2 McMaster University, Ontario, Canada 18 1 Zaragoza, Universidad, Spain 4 Zaragoza, Universidad, Spain 19 1 Bologna University, Bologna, Italy 1 Bologna University, Bologna, Italy 20 2 Hawaii, University, Manoa, Hawaii 4 Hawaii, University, Maui, Hawaii 3 Hawaii, University, Manoa, Hawaii 21 2 Duke University, Durham, NC 1 Duke University, Durham, N.C. 57 Duke University, Durham, NC 22 1 New York University, New York 1 New York University, New York 23 1 La Plata Universidad Nacional CONICET 1 La Plata Universidad Nacional CONICET 24 2 Univ. Wurzburg, Wurzburg, Germany 13 Univ. Wuerzburg, Wuerzburg, Germany 1 Univ. Wurzburg, Wurzburg, Germany 25 2 Louth Observatory, Sedro Wooley, WA 1 Louth Observatory, Sedro Woolley, WA 1 Louth Observatory, Sedro Wooley, WA 26 1 McDonald Observatory, Mount Locke, TX 1 McDonald Observatory, Mount Locke, TX 27 1 Barksdale Observatory, Winter Park, FL 3 Barksdale Observatory, Winter Park, FL 28 1 EXOSAT Observatory, Noordwijk, Netherlands 95 EXOSAT Observatory, Noordwijk, Netherlands 29 1 Cloudcroft Observatory, Cloudcroft, N. Mex. 2 Cloudcroft Observatory, Cloudcroft, N. Mex. 30 1 Tuorla Observaoty, Piikkio, Finland 1 Tuorla Observaoty, Piikkio, Finland 31 3 Paris XI, Universite, France 34 Paris VII, Universite, France 14 Paris VI, Universite, France 4 Paris XI, Universite, France 32 1 California, Saint Mary's College, Moraga 2 California, Saint Mary's College, Moraga 33 1 Vrije Universiteit Brussel, Brussels, Belgium 3 Vrije Universiteit Brussel, Brussels, Belgium 34 2 Queen's University, Kingston, Ontario, Canada 96 Queen's University, Kingston, Ontario, Canada 1 Queens University, Kingston, Ontario, Canada 35 1 Mons, Universite de l'Etat, Belgium 5 Mons, Universite de l'Etat, Belgium 36 2 Stanford University, Stanford, CA 47 Stanford University, Stanford, CA 1 Stanford, University, Stanford, CA 37 1 Calcutta, University, Calcutta, India 1 Calcutta, University, Calcutta, India 38 1 Johns Hopkins University, Laurel, Md. 2 Johns Hopkins University, Laurel, Md. 39 1 Strathclyde University, Glasgow, Scotland 1 Strathclyde University, Glasgow, Scotland 40 1 California State University, Fullerton 2 California State University, Fullerton 41 1 California, University Los Angeles 1 California, University Los Angeles 42 2 Leicester, University, Leicester, England 135 Leicester, University, Leicester, England 6 Leicester University, Leicester, England 43 1 Liege, Universite, Cointe-Oueree, Belgium 1 Liege, Universite, Cointe-Oueree, Belgium 44 1 Pedagogical University, Bydgoszcz, Poland 1 Pedagogical University, Bydgoszcz, Poland 45 2 Copenhagen, University, Copehagen, Denmark 1 Copenhagen, University, Copehagen, Denmark 5 Copenhagen, University, Copenhagen, Denmark 46 1 Oslo Univ., Blindern, Oslo, Norway 2 Oslo Univ., Blindern, Oslo, Norway 47 1 California, University, Berkeley and Santa Barbara, CA 1 California, University, Berkeley and Santa Barbara, CA 48 1 Old Dominion University, Norfolk, Va. 1 Old Dominion University, Norfolk, Va. 49 1 Queen's Univ., Belfast, Ireland 2 Queen's Univ., Belfast, Ireland 50 2 Armagh Observatory, Armagh, Ireland 1 Armagh Observatory, Armagh, N. Ireland 1 Armagh Observatory, Armagh, Ireland 51 1 California Univ. San Diego, La Jolla, CA, US 1 California Univ. San Diego, La Jolla, CA, US 52 3 California, University, Livermore and Berkeley, CA 1 California, University, Livermore and Berkeley, Calif. 1 California, University, Livermore and Berkeley, CA 1 California, University, Livermore and Berkeley 53 1 Fairchild Research Center, Palo Alto, CA 1 Fairchild Research Center, Palo Alto, CA 54 1 Durham University, Durham, UK 6 Durham University, Durham, UK 55 1 Rutherford Appleton Laboratory, Chilton, England 1 Rutherford Appleton Laboratory, Chilton, England 56 1 Western Ontario, University, London, CA 1 Western Ontario, University, London, CA 57 1 Lab. for Space Research, Utrecht, Netherlands 12 Lab. for Space Research, Utrecht, Netherlands 58 1 Intel Corporation, Beaverton, OR, US 1 Intel Corporation, Beaverton, OR, US 59 1 Five College Observatory, Amherst, Mass. 1 Five College Observatory, Amherst, Mass. 60 1 College of Charleston, Charleston, SC, US 1 College of Charleston, Charleston, SC, US 61 1 Queen Mary & Westfield College, London, UK 1 Queen Mary & Westfield College, London, UK 62 1 Akademiia Nauk SSSR, Institut Kosmicheskikh Issledovanii, Moscow, USSR 53 Akademiia Nauk SSSR, Institut Kosmicheskikh Issledovanii, Moscow, USSR 63 1 Astrophysical Observatory, Utrecht, Netherlands 1 Astrophysical Observatory, Utrecht, Netherlands 64 1 Sacramento Peak National Observatory, Sunspot, NM 3 Sacramento Peak National Observatory, Sunspot, NM 65 1 Royal Observatory, Edinburgh, United Kingdom 39 Royal Observatory, Edinburgh, United Kingdom 66 1 Onsala Space Observatory, Goteborg, Sweden 11 Onsala Space Observatory, Goteborg, Sweden 67 1 Vrije Universiteit, Amsterdam, Netherlands 7 Vrije Universiteit, Amsterdam, Netherlands 68 1 Vatican Observatory, Vatican City State 10 Vatican Observatory, Vatican City State 69 1 Carter Observatory, Wellington, New Zealand 16 Carter Observatory, Wellington, New Zealand 70 1 Vilnius Observatory, Vilnius, Lithuania 1 Vilnius Observatory, Vilnius, Lithuania 71 1 Napier College, Edinburgh, Scotland 1 Napier College, Edinburgh, Scotland 72 1 California State University, Los Angeles, Calif. 1 California State University, Los Angeles, Calif. 73 1 Universitaet Wuerzburg, Wuerzburg, Germany 1 Universitaet Wuerzburg, Wuerzburg, Germany 74 3 London, University, College, Dorking, England 94 London, University College, Dorking, England 1 London, University, College, Dorking, England 1 London University College, Dorking, England 75 1 Sheffield, University, England 15 Sheffield, University, England 76 1 North Carolina, University, Greensboro, NC 1 North Carolina, University, Greensboro, NC 77 1 Brown Univ., Providence, RI, US 3 Brown Univ., Providence, RI, US 78 1 Tufts Univ., Medford, MA 1 Tufts Univ., Medford, MA 79 1 Marseille I, Universite, Marseille, France 1 Marseille I, Universite, Marseille, France 80 1 Trinity University, San Antonio, TX 2 Trinity University, San Antonio, TX 81 1 Ball State Univ., Muncie, IN, US 2 Ball State Univ., Muncie, IN, US 82 1 St. Andrews, University, Fife, Scotland 2 St. Andrews, University, Fife, Scotland 83 2 Adelaide, University, Adelaide , Australia 5 Adelaide, University, Adelaide, Australia 1 Adelaide, University, Adelaide , Australia 84 1 Groningen University, Groningen, Netherlands 1 Groningen University, Groningen, Netherlands 85 1 Waikato, University, Hamilton, New Zealand 15 Waikato, University, Hamilton, New Zealand 86 1 Keele, University, Keel, Staffs., England 1 Keele, University, Keel, Staffs., England 87 1 Poona, University, Poona, India 1 Poona, University, Poona, India 88 1 U.W.-Madison, Madison, WI, US 3 U.W.-Madison, Madison, WI, US 89 1 Univ of California, Berkeley, CA, US 4 Univ of California, Berkeley, CA, US 90 2 Birmingham University, Birmingham, England 48 Birmingham, University, Birmingham, England 1 Birmingham University, Birmingham, England 91 1 Bendix Corp., Denver, Colo. 1 Bendix Corp., Denver, Colo. 92 1 Mexico, Universidad Nacional Autonoma, Mexico City, Mexico 1 Mexico, Universidad Nacional Autonoma, Mexico City, Mexico 93 6 NASA. Ames Research Center, Moffet Field, CA, US 59 NASA. Ames Research Center, Moffett Field, CA, US 20 NASA. Ames Research Center, Moffet Field, CA, US 2 NASA/Ames Research Center, Moffet Field, CA, US 2 NASA Ames Research Center, Moffett Field, CA, US 1 NASA. Ames Research Center, Moffit Field, CA, US 1 NASA Ames Research Center, Moffet Field, CA, US 94 6 Instituto de Radioastronomia, Milimetrica, Granada, Spain 70 Instituto de Radioastronomia Milimetrica, Granada, Spain 2 Instituto de Radioastronomia, Milimetrica, Granada, Spain 2 Instituto de Radioastronomia Millimetrica, Granada, Spain 1 Instituto di Radioastronomia Milimetrica, Granada, Spain 1 Instituto de Radoiastronomia Milimetrica, Granada, Spain 1 Instituto de Radio Astronomia Milimetrica, Granada, Spain 95 1 Observatorio Astronomico de Cerro Tololo, La Serena, Chile 1 Observatorio Astronomico de Cerro Tololo, La Serena, Chile 96 1 Five College Radio Astronomy Observatory, Pasadena, CA 1 Five College Radio Astronomy Observatory, Pasadena, CA 97 1 Queen Mary and Westfield Coll., London Univ., London, UK 8 Queen Mary and Westfield Coll., London Univ., London, UK 98 2 Queen Mary and Westfield College, London, England 51 Queen Mary and Westfield College, London, England 1 Queen Mary and Westfield College, London, England, UK 99 1 SRON, Lab. for Space Research, Utrecht, Netherlands 2 SRON, Lab. for Space Research, Utrecht, Netherlands 100 1 Los Alamos National Lab., Los Alamos, NM, US 15 Los Alamos National Lab., Los Alamos, NM, US 101 1 CE Saclay D.A.P.N.I.A. Service d' Astrophysique, Gif sur Yvette, France 3 CE Saclay D.A.P.N.I.A. Service d' Astrophysique, Gif sur Yvette, France 102 3 Service d'Astrophysique, Gif-sur-Yvette, France 9 Service d'Astrophysique, Gif-sur-Yvette, France 3 Service d'Astrophysique, Gif sur Yvette, France 2 Service d'Astrophyique, Gif-sur-Yvette, France 103 1 CNRS, Institute d'Astrophysique, Paris, France 1 CNRS, Institute d'Astrophysique, Paris, France 104 1 Erevanskii Gosudarstvennyi Universitet, Yerevan, Armenian SSR 2 Erevanskii Gosudarstvennyi Universitet, Yerevan, Armenian SSR 105 3 Princeton University, New Observatory, NJ 16 Princeton University, New Observatory, NJ 4 Princeton University, New Observatory 3 Princeton University, Observatory, NJ 106 1 London, University College, Dorking, United Kingdom 2 London, University College, Dorking, United Kingdom 107 13 Obsevatorio Interamericano de Cerro Tololo, La Serena, Chile 557 Observatorio Interamericano de Cerro Tololo, La Serena, Chile 3 Observatorio Interamericano de Cerro-Tololo, La Serena, Chile 1 Obsevatorio Interamericano de Cerro Tololo, La Serena, Chile 1 Observatorio interamericano de Cerro Tololo, La Serena, Chile 1 Observatorio Intermericano de Cerro Tololo, La Serena, Chile 1 Observatorio Interamericano de Cerro, Tololo, La Serena, Chile 1 Observatorio Interamericano de Cerro Totolo, La Serena, Chile 1 Observatorio Interamericano de Cerro Tololo, la Serena, Chile 1 Observatorio Interamericano de Cerro Tololo, La Serene, Chile 1 Observatorio Interamericano de Cerro Tololo la Serena, Chile 1 Observatorio Interamericano de Cerro Telolo, La Serena, Chile 1 Observatorio Interamericano de Cerro Talolo, La Serena, Chile 1 Observatorio Interamericano de Cerra Tololo, La Serena, Chile 108 1 Belfast, Queen's University, Belfast, Northern Ireland 68 Belfast, Queen's University, Belfast, Northern Ireland 109 3 Leiden, Rijksuniversiteit, Sterrewacht, Leiden, Netherlands 236 Leiden, Rijksuniversiteit, Sterrewacht, Leiden, Netherlands 2 Leiden, Rijksuniversiteit, Sterrenwacht, Leiden, Netherlands 1 Leiden, Rijksuniversiteit, Sterewacht, Leiden, Netherlands 110 1 Western Ontario, University, London, Ontario, Canada 4 Western Ontario, University, London, Ontario, Canada 111 2 Canada-France-Hawaii Telescope Corp., Kamulea, Hawaii 1 Canada-France-Hawaii Telescope Corp., Kamulea, Hawaii 1 Canada-France-Hawaii Telescope Corp., Kamuela, Hawaii, US 112 1 Universidad Nacional Autonoma de Mexico, Ensenada, Mexico 30 Universidad Nacional Autonoma de Mexico, Ensenada, Mexico 113 1 Oak Ridge National Laboratory, Oak Ridge, TN 3 Oak Ridge National Laboratory, Oak Ridge, TN 114 1 Institute of Astronomy, Cambridge, England 2 Institute of Astronomy, Cambridge, England 115 1 Madrid, Observatorio Astronomico, Spain 7 Madrid, Observatorio Astronomico, Spain 116 1 Leningradskii Gosudarstvennyi Universitet, Leningrad, USSR 2 Leningradskii Gosudarstvennyi Universitet, Leningrad, USSR 117 1 Warsaw, University, Observatory, Poland 2 Warsaw, University, Observatory, Poland 118 10 Stichting Radiostraling van Zon en Melkweg, Dwingeloo, Netherlands 79 Stichting Radiostraling van Zon en Melkweg, Dwingeloo, Netherlands 10 Stichting Radiostraling van zon en Melkweg, Dwingeloo, Netherlands 4 Stichting Radioastraling van Zon en Melkweg, Dwingeloo, Netherlands 1 Stichtung Radiostraling van Zon en Melkweg, Dwingeloo, Netherlands 1 Stichtung Radioastraling van zon en Melkweg, Dwingeloo, Netherlands 1 Stichting, Radiostraling van Zon en Melkweg, Dwingeloo, Netherlands 1 Stichting Radiostraling von Zon en Melkweg, Dwingeloo, Netherlands 1 Stichting Radiostraling van Zon in Melkweg, Dwingeloo, Netherlands 1 Stichting Radiostraling Van Zon en Melkweg, Dwingeloo, Netherlands 1 Stichting Radiostralinaj van Zon en Milkweg, Dwingeloo, Netherlands 119 2 Goettingen, Universitaets-Sternwarte, Federal Republic of Germany 4 Goettingen, Universitaets-Sternwarte, Federal Republic of Germany 1 Goettingen, Universitaetssternwarte, Federal Republic of Germany 120 2 Observatorio Astronomico Nacional, Ensenada, Mexico 18 Observatorio Astronomico Nacional, Ensenada, Mexico 1 Osservatorio Astronomico Nacional, Ensenada, Mexico 121 2 Allegheny Observatory, Pittsburgh, PA 25 Allegheny Observatory, Pittsburgh, PA 10 Allegheny Observatory, Pittsburgh, Pa. 122 1 Roma, Osservatorio Astronomico 3 Roma, Osservatorio Astronomico 123 1 Thueringer Landessternwarte, Tautenburg, Germany 1 Thueringer Landessternwarte, Tautenburg, Germany 124 1 John-Moores University, Liverpool, England, UK 1 John-Moores University, Liverpool, England, UK 125 1 Thessaloniki Univ., Thessaloniki, Greece 3 Thessaloniki Univ., Thessaloniki, Greece 126 1 Georgia State Univ., Atlanta, GA, US 12 Georgia State Univ., Atlanta, GA, US 127 1 Cambridge Univ. Inst. of Astronomy 5 Cambridge Univ. Inst. of Astronomy 128 1 Los Alamos National Laboratory, NM 235 Los Alamos National Laboratory, NM 129 1 Kokugakuin Univ., Higashi, Japapn 1 Kokugakuin Univ., Higashi, Japapn 130 1 Brandon Univ., Brandon, Canada 1 Brandon Univ., Brandon, Canada 131 1 Napier Univ., Edinburgh, Scotland, UK 2 Napier Univ., Edinburgh, Scotland, UK 132 1 Arkansas Univ., Little Rock 4 Arkansas Univ., Little Rock 133 1 Cataluna, Univ. Politecnica 4 Cataluna, Univ. Politecnica 134 1 Hunan Normal Univ., Changsha, China 1 Hunan Normal Univ., Changsha, China 135 1 Univ. de Valencia, Spain 1 Univ. de Valencia, Spain 136 1 Mullard Radio Astronomy Observatory, Cambridge, United Kingdom 22 Mullard Radio Astronomy Observatory, Cambridge, United Kingdom 137 1 Mullard Radio Astronomy, Cambridge, UK 1 Mullard Radio Astronomy, Cambridge, UK 138 1 Space Telescope Science Inst. 1 Space Telescope Science Inst. 139 1 Villanova Univ., Villanova, PA, US 9 Villanova Univ., Villanova, PA, US 140 1 SLAC, Stanford, California, US 1 SLAC, Stanford, California, US 141 1 Montana State Univ., Bozeman, MT, US 7 Montana State Univ., Bozeman, MT, US 142 1 San Jose State Univ., San Jose, CA, US 1 San Jose State Univ., San Jose, CA, US 143 1 Battelle Observatory, Richland 1 Battelle Observatory, Richland 144 1 Space Research Lab., Utrecht, Netherlands 1 Space Research Lab., Utrecht, Netherlands 145 1 Canada-France-Hawaii Corp., Kamuela, HI 2 Canada-France-Hawaii Corp., Kamuela, HI 146 1 CNRS, Institut d'Astrophysique Spatiale, Orsay, France 1 CNRS, Institut d'Astrophysique Spatiale, Orsay, France 147 1 Radio Astronomy Observatory, Torun, Poland 2 Radio Astronomy Observatory, Torun, Poland 148 2 Los Alamos National Laboratory, Los Alamos, NM 125 Los Alamos National Laboratory, Los Alamos, NM 22 Los Alamos National Laboratory, Los Alamos, NM, US 149 4 Brookhaven National Laboratory, Upton, NY 19 Brookhaven National Laboratory, Upton, NY 1 Brookhaven, National Laboratory, Upton, NY 1 Brookhaven National Laboratory, Upton, N.Y. 1 Brookhaven National Laboratory, Upton, N. Y. 150 1 U.K. Telescopes, Joint Astronomy Center, Hilo, HI 1 U.K. Telescopes, Joint Astronomy Center, Hilo, HI 151 1 Maryland Univ., College Park, MD, US 8 Maryland Univ., College Park, MD, US 152 1 Penn St. Univ., Univ. Park, PA, US 2 Penn St. Univ., Univ. Park, PA, US 153 4 ESA, Villafranca Satellite Tracking Station, Madrid, Spain 51 ESA, Villafranca Satellite Tracking Station, Madrid, Spain 1 Villafranca Satellite Tracking Station, Madrid, Spain 1 ESA, Villafranca, Satellite Tracking Station, Madrid, Spain 1 ESA Villafranca Satellite Tracking Station, Madrid, Spain 154 1 St. Andrews Univ., Scotland, UK 3 St. Andrews Univ., Scotland, UK 155 1 Texas Univ., San Antonio 1 Texas Univ., San Antonio 156 1 Queen's Univ., Kingston, Ontario, Canada 2 Queen's Univ., Kingston, Ontario, Canada 157 1 Universite Libre de Bruxelles, Brussels, Belgium 1 Universite Libre de Bruxelles, Brussels, Belgium 158 2 Univ. of California, Berkeley, Berkeley, CA, US 8 Univ. of California at Berkeley, Berkeley, CA, US 4 Univ. of California, Berkeley, Berkeley, CA, US 159 4 Nordisk Institut for Teoritisk Atomfysik, Copenhagen, Denmark 64 Nordisk Institut for Teoretisk Atomfysik, Copenhagen, Denmark 1 Nordisk Institute for Teoretisk Atomfysik, Copenhagen, Denmark 1 Nordisk Institut for Teoritisk Atomfysik, Copenhagen, Denmark 1 Nordisk Institut for Teoretisk Atmofysik, Copenhagen, Denmark 160 1 CNRS, Institut d'Astrophysique Spatiale, Orsay 1 CNRS, Institut d'Astrophysique Spatiale, Orsay 161 1 Institut de Radioastronomie Millimetrique 5 Institut de Radioastronomie Millimetrique 162 2 Sterrewacht Sonnenborgh, Utrecht, Netherlands 73 Sterrewacht Sonnenborgh, Utrecht, Netherlands 2 Sterrewacht, Sonnenborgh, Utrecht, Netherlands 163 3 Utrecht, Rijksuniversiteit, Utrecht, Netherlands 94 Utrecht, Rijksuniversiteit, Utrecht, Netherlands 1 Utrecht, Rijksuniversitet, Utrecht, Netherlands 1 Utrecht Rijksuniversiteit, Utrecht, Netherlands 164 1 Brandon University, Brandon, Manitoba, Canada 4 Brandon University, Brandon, Manitoba, Canada 165 1 St. Andrews University, St. Andrews, Scotland 1 St. Andrews University, St. Andrews, Scotland 166 1 Lausanne, Universite, Switzerland 5 Lausanne, Universite, Switzerland 167 1 Washington University, Pullman, Wash. 1 Washington University, Pullman, Wash. 168 1 Cincinnati, University, Cininnati, OH 1 Cincinnati, University, Cininnati, OH 169 1 Cordoba, Universidad, Cordoba, Spain 1 Cordoba, Universidad, Cordoba, Spain 170 2 Calgary Univ., Calgary, Canada 1 Calgary Univ., Calgary, Canada 1 Calgary Univ, Calgary, Canada 171 1 Cambridge Univ., Observatories, United Kingdom 2 Cambridge Univ., Observatories, United Kingdom 172 1 Delta College, University Center, MI 1 Delta College, University Center, MI 173 1 Tartu Univ., Tartu, Estonia 1 Tartu Univ., Tartu, Estonia 174 1 Millikin Univ., Decatur, IL, US 1 Millikin Univ., Decatur, IL, US 175 1 Virginia Univ., Charlottesville, VA, US 4 Virginia Univ., Charlottesville, VA, US 176 2 Valencia, Univ., Burjasot, Spain 1 Valencia, Univ., Burjasot, Spain 1 Valencia, Univ. Burjasot, Spain 177 1 Nanjing Univ., Nanjing, China 3 Nanjing Univ., Nanjing, China 178 2 Osaka Univ., Osdaka, Japan 8 Osaka Univ., Osaka, Japan 3 Osaka Univ., Osdaka, Japan 179 1 Chongju Univ., Republic of Korea 2 Chongju Univ., Republic of Korea 180 1 Columbia Univ., New York City, NY, US 2 Columbia Univ., New York City, NY, US 181 1 Inonu Univ., Malatya, Turkey 2 Inonu Univ., Malatya, Turkey 182 1 CNRS, Institut d'Astrophysique 11 CNRS, Institut d'Astrophysique 183 1 Cardiff Univ. College, United Kingdom 7 Cardiff Univ. College, United Kingdom 184 1 Astronomy Observatory, Cambridge, England 1 Astronomy Observatory, Cambridge, England 185 2 Biruni Observatory, Shiraz, Iran 11 Biruni Observatory, Shiraz, Iran 1 Buruni Observatory, Shiraz, Iran 186 1 NOAA, Aeronomy Laboratory 1 NOAA, Aeronomy Laboratory 187 3 Cambridge University, Cambaridge, England 635 Cambridge University, Cambridge, England 6 Cambridge, University, Cambridge, England 1 Cambridge University, Cambaridge, England 188 2 Santander, Universidad, Santander, Spain 5 Santander, Universidad, Santander, Spain 1 Santander, University, Santander, Spain 189 1 Wroclaw Univ., Observatory, Poland 1 Wroclaw Univ., Observatory, Poland 190 2 Canada-France-Hawaii Telescope Corp., Kamuela 145 Canada-France-Hawaii Telescope Corp., Kamuela, HI 11 Canada-France-Hawaii Telescope Corp., Kamuela 191 1 Tuorla Observatory, Tuorla, Spain 1 Tuorla Observatory, Tuorla, Spain 192 2 Universitaets-Sternwarte, Graz, Austria 3 Universitaets-Sternwarte, Graz, Austria 1 Universitaetssternwarte, Graz, Austria 193 1 Barcelona, Universidad Autonoma, Spain 2 Barcelona, Universidad Autonoma, Spain 194 1 Moskovskii Gosudarstvennyi Universitet, Moscow, USSR 65 Moskovskii Gosudarstvennyi Universitet, Moscow, USSR 195 1 Kitt Peak National Laboratory, Tucson, AZ 1 Kitt Peak National Laboratory, Tucson, AZ 196 2 Sacramento Peak Observatory, Sunspot, M. Mex. 62 Sacramento Peak Observatory, Sunspot, N. Mex. 1 Sacramento Peak Observatory, Sunspot, M. Mex. 197 1 Five College Radio Observatory, Amherst, MA 2 Five College Radio Observatory, Amherst, MA 198 1 Potchefstroom, University 1 Potchefstroom, University 199 1 Moscow Univ., Moscow, Russia 3 Moscow Univ., Moscow, Russia 200 1 Claremont College, Claremont 1 Claremont College, Claremont 201 1 Northwestern Univ., Evanston, Il, US 1 Northwestern Univ., Evanston, Il, US 202 1 Wittenberg Univ., Springfield, OH, US 1 Wittenberg Univ., Springfield, OH, US 203 1 Vanderbuilt Univ., Nashville, TN, US 2 Vanderbuilt Univ., Nashville, TN, US 204 3 Landessternwarte Heidelberg, Germany 13 Landessternwarte, Heidelberg, Germany 1 Landessternwarte, Heidelburg, Germany 1 Landessternwarte Heidelberg, Germany 205 1 AT&T Bell Lab., Holmdel, NJ, US 1 AT&T Bell Lab., Holmdel, NJ, US 206 1 Sterrewacht Sonnenborgh, Utrecht 2 Sterrewacht Sonnenborgh, Utrecht 207 1 Kwasan Observatory, Kyoto, Japan 1 Kwasan Observatory, Kyoto, Japan 208 1 Perth Observatory, Bickley, Australia 7 Perth Observatory, Bickley, Australia 209 1 Cambridge Research, Champaign, IL, US 1 Cambridge Research, Champaign, IL, US 210 1 Glasgow Univ., United Kingdom 9 Glasgow Univ., United Kingdom 211 1 Leicester Univ., Leicester, UK 3 Leicester Univ., Leicester, UK 212 1 Munich Univ., Munchen, Germany 1 Munich Univ., Munchen, Germany 213 1 Auckland Univ., New Zealand 2 Auckland Univ., New Zealand 214 2 Victoria, University, Canada 124 Victoria, University, Canada 1 Victoria University, Canada 215 1 Wisconsin Univ., La Crosse 1 Wisconsin Univ., La Crosse 216 1 Queen's Univ., Kingston, Canada 8 Queen's Univ., Kingston, Canada 217 1 Puget Sound, University, Tacoma, WA 1 Puget Sound, University, Tacoma, WA 218 1 Drake Univ., Des Moines, IA 1 Drake Univ., Des Moines, IA 219 1 Bogazici University, Istanbul, Turkey 5 Bogazici University, Istanbul, Turkey 220 1 Picardie, Universite, Amiens, France 12 Picardie, Universite, Amiens, France 221 1 Calabria, Universita, Calabria, Italy 1 Calabria, Universita, Calabria, Italy 222 1 Haifa, University, Oranim, Israel 1 Haifa, University, Oranim, Israel 223 3 Hawaii, University, Honolulu, HI 156 Hawaii, University, Honolulu, HI 3 Hawaii University, Honolulu, HI 1 Hawaii, University, Honolulu, MI 224 1 Cataluna, Universidad Politecnica 2 Cataluna, Universidad Politecnica 225 1 Jagiellonian University, Cracow, Poland 1 Jagiellonian University, Cracow, Poland 226 1 Madrid, Univ. Politecnica, Spain 1 Madrid, Univ. Politecnica, Spain 227 1 Ljubljana, University, Yugoslavia 1 Ljubljana, University, Yugoslavia 228 1 Osmania University, Hyderabad, India 10 Osmania University, Hyderabad, India 229 2 Warszawa, Universytet, Warsaw, Poland 5 Warszawa, Uniwersytet, Warsaw, Poland 1 Warszawa, Universytet, Warsaw, Poland 230 1 York University, North York 1 York University, North York 231 1 Peking Univ., Beijing, China 2 Peking Univ., Beijing, China 232 1 Delft, Technical University, Netherlands 1 Delft, Technical University, Netherlands 233 1 Liverpool, University, Liverpool, England 1 Liverpool, University, Liverpool, England 234 2 California, University, Santa Barbara, and Berkeley, CA 4 California, University, Santa Barbara and Berkeley, CA 1 California, University, Santa Barbara, and Berkeley, CA 235 1 California, University, Livermore and Los Angeles, CA 1 California, University, Livermore and Los Angeles, CA 236 1 California, University, Irvine and Berkeley 1 California, University, Irvine and Berkeley 237 3 Liege, Universitede l'Etat, Cointe-Ougree, Belgium 21 Liege, Universite de l'Etat, Cointe-Ougree, Belgium 1 Liege, Universitede l'Etat, Cointe-Ougree, Belgium 1 Liege, Universitede L'Etat, Cointe-Ougree, Belgium 238 1 Liege, Institut d'Astrophysique, Cointe-Ougree, Belgium 5 Liege, Institut d'Astrophysique, Cointe-Ougree, Belgium 239 1 Kiel, Universitaet, Kiel, West Germany 3 Kiel, Universitaet, Kiel, West Germany 240 1 Hamburg, Universitaet der Bundeswehr, Federal Republic of Germany 1 Hamburg, Universitaet der Bundeswehr, Federal Republic of Germany 241 1 Beijing Normal University, Beijing, China 3 Beijing Normal University, Beijing, China 242 1 Utrecht Univ., Utrecht, Netherlands 3 Utrecht Univ., Utrecht, Netherlands 243 3 Hamburger Sterwarte, Hamburg, Germany 47 Hamburger Sternwarte, Hamburg, Germany 1 Hamburger Sterwarte, Hamburg, Germany 1 Hamberger Sternwarte, Hamburg, Germany 244 1 La Plata, Universidad Nacional, La Plata 1 La Plata, Universidad Nacional, La Plata 245 4 Geneve, Observatoire, Sauverny, Switzerland 306 Geneve, Observatoire, Sauverny, Switzerland 4 Geneve Observatoire, Sauverny, Switzerland 1 Geneve, Observatoire, Souverny, Switzerland 1 Geneva, Observatoire, Sauverny, Switzerland 246 1 Nijmegen, Universiteit, Nijmegen, Netherlands 1 Nijmegen, Universiteit, Nijmegen, Netherlands 247 1 California, University, Berkeley and Santa Barbara 5 California, University, Berkeley and Santa Barbara 248 1 California, University, Davis and Livermore, Calif. 4 California, University, Davis and Livermore, Calif. 249 2 California State University, Long Beach, CA 2 California State University, Long Beach, CA, US 2 California State University, Long Beach, CA 250 1 Northern Iran, University, Babalsar, Iran 1 Northern Iran, University, Babalsar, Iran 251 1 Connecticut, University, Storrs, Conn. 1 Connecticut, University, Storrs, Conn. 252 1 Osaka University, Osaka, Japan 12 Osaka University, Osaka, Japan 253 1 Dalhousie University, Halifax, Canada 6 Dalhousie University, Halifax, Canada 254 1 California, University, San Diego 31 California, University, San Diego 255 1 Korea Astronomy Observatory 1 Korea Astronomy Observatory 256 2 Washington, University, Saint Louis, Mo 1 Washington, University, Saint Louis, Mo 1 Washington, University, Saint Louis, MO 257 2 Aarhus Univ., Arhus C, Denmark 5 Aarhus Univ., Aarhus, Denmark 1 Aarhus Univ., Arhus C, Denmark 258 2 Hawaii University, Honolulu, Hawaii 96 Hawaii, University, Honolulu, Hawaii 1 Hawaii University, Honolulu, Hawaii 259 1 Racah Institute of Physics, Jerusalem, Israel 1 Racah Institute of Physics, Jerusalem, Israel 260 1 Sterrwacht Sonnenborgh, Utrecht, Nletherlands 1 Sterrwacht Sonnenborgh, Utrecht, Nletherlands 261 2 Royal Observatory, Edinburgh, England 1 Royal Observatory, Edinburgh, England 1 Royal Observatory, Edinburg, England 262 5 Observatoire Royal de Belgique, Brussels, Belgium 86 Observatoire Royal de Belgique, Brussels, Belgium 1 Observatoire, Royal de Belgique, Brussels, Belgium 1 Observatoire Royale de Belgique, Brussels, Belgium 1 Observatoire Royal de Belgique, Bruxelles, Belgium 1 Observatoire Royal de Belgique, Brussells, Belgium 263 1 Bruxelles, UniversiteLibre, Brussels, Belgium 2 Bruxelles, UniversiteLibre, Brussels, Belgium 264 1 Observatorio Astronomico Nacional, Santiago, Chile 9 Observatorio Astronomico Nacional, Santiago, Chile 265 1 Clemson University, Clemson, South Carolina, US 3 Clemson University, Clemson, South Carolina, US 266 1 Alma Coll., Alma, MI, US 2 Alma Coll., Alma, MI, US 267 1 Barcelona, Universidad, Barcelona, Spain 11 Barcelona, Universidad, Barcelona, Spain 268 1 Rutherford Appleton Laboratory, Oxon, UK 2 Rutherford Appleton Laboratory, Oxon, UK 269 1 Torun Radio Astronomy Observatory, Poland 1 Torun Radio Astronomy Observatory, Poland 270 1 Brookhaven National Laboratory, Upton 4 Brookhaven National Laboratory, Upton 271 1 Sandia National Laboratory, Albuquerque, NM 3 Sandia National Laboratory, Albuquerque, NM 272 1 California State Univ., Long Beach 1 California State Univ., Long Beach 273 1 Canada-France-Hawaii Telescope Corp., HI, US 2 Canada-France-Hawaii Telescope Corp., HI, US 274 1 Universidad Autonoma, Madrid, Spain 2 Universidad Autonoma, Madrid, Spain 275 1 South Carolina, University, Columbia, S.C. 1 South Carolina, University, Columbia, S.C. 276 1 Southern California Univ., Los Angeles, CA 3 Southern California Univ., Los Angeles, CA 277 2 Centro Astronomico de Yebes, Guadalajara, Spain 72 Centro Astronomico de Yebes, Guadalajara, Spain 1 Centro Astronomico de Yebes, Guadalahara, Spain 278 5 IBM Thomas J. Watson Research Center, Yorktown Heights, N.Y. 53 IBM Thomas J. Watson Research Center, Yorktown Heights, NY 22 IBM Thomas J. Watson Research Center, Yorktown Heights, N.Y. 5 IBM Thomas J. Watson Research Center, Yorktown Heights 1 IBM, Thomas J. Watson Research Center, Yorktown Heights, NY 1 IBM Thomas J. Watson Research Center, Yorktown Heights, NY, US 279 1 Calgary, University, Calgary, Alberta, Canada 32 Calgary, University, Calgary, Alberta, Canada 280 1 Cleveland State Univ., Cleveland, OH, US 1 Cleveland State Univ., Cleveland, OH, US 281 1 Monash Univ., Clayton, Australia 5 Monash Univ., Clayton, Australia 282 1 Kumaun Univ., Nainital, India 1 Kumaun Univ., Nainital, India 283 1 Rutgers Univ., Piscataway, NJ 6 Rutgers Univ., Piscataway, NJ 284 1 Alabama Univ., Tuscaloosa, AL, US 1 Alabama Univ., Tuscaloosa, AL, US 285 1 Academia Sinica, Beijing, China 3 Academia Sinica, Beijing, China 286 1 Toronto Univ., Mississanga, Canada 1 Toronto Univ., Mississanga, Canada 287 1 Vanderbilt Univ., Nahville, TN, US 1 Vanderbilt Univ., Nahville, TN, US 288 1 Synernet, Fremont, CA, US 1 Synernet, Fremont, CA, US 289 1 New York Univ., New York, NY, US 2 New York Univ., New York, NY, US 290 1 Tulane University, New Orleans, LA 3 Tulane University, New Orleans, LA 291 1 Pomona College, Claremont, CA 1 Pomona College, Claremont, CA 292 3 Goteborg, Universitet, Sweden 8 Goteborg, Universitet, Sweden 6 Goteborg, University, Sweden 1 Goterborg, Universitet, Sweden 293 1 Lisbon Univ., Portugal 1 Lisbon Univ., Portugal 294 1 Kutztown University, Kutztown, PA, US 2 Kutztown University, Kutztown, PA, US 295 1 Observatorio Astronomico Nacional 7 Observatorio Astronomico Nacional 296 1 Nordisk Institut for Teoretisk Atomfysik 1 Nordisk Institut for Teoretisk Atomfysik 297 1 Bamberg, Remeis-Sternwarte, Bamberg, West Germany 3 Bamberg, Remeis-Sternwarte, Bamberg, West Germany 298 5 Universitaets-Sternwarte, Vienna, Austria 9 Universitaets-Sternwarte, Vienna, Austria 1 Universitatssternwarte, Vienna, Austria 1 Universitats-Sternwarte, Vienna, Austria 1 Universitaetsternwarte, Vienna, Austria 1 Universitaetssternwarte, Vienna, Austria 299 1 Universitat Wuerzburg, Wuerzburg, Germany 1 Universitat Wuerzburg, Wuerzburg, Germany 300 1 Sonneberg, Sternwarte, Federal Republic of Germany 2 Sonneberg, Sternwarte, Federal Republic of Germany 301 2 Univ. Sternwarte, Gottingen, Germany 11 Univ.-Sternwarte, Goettingen, Germany 6 Univ. Sternwarte, Gottingen, Germany 302 1 California, University, Santa Barbara 68 California, University, Santa Barbara 303 1 Georgia, University, Athens 10 Georgia, University, Athens 304 2 Wilhelm Foerster Sternwarte, Berlin, West Germany 1 Wilhelm-Foerster-Sternwarte, Berlin, West Germany 1 Wilhelm Foerster Sternwarte, Berlin, West Germany 305 1 York University, North York, Ontario, Canada 3 York University, North York, Ontario, Canada 306 2 California, University, Berkeley and Livermore 7 California, University, Berkeley and Livermore 1 California, University, Berkeley and Livermore, CA 307 1 Sterrekundig Instituut, Utrecht, Netherlands 3 Sterrekundig Instituut, Utrecht, Netherlands 308 2 Astronomical Inst., Ultrecht, Netherlands 2 Astronomical Inst., Utrecht, Netherlands 1 Astronomical Inst., Ultrecht, Netherlands 309 1 Vatican Observatory Research Group 1 Vatican Observatory Research Group 310 1 Panjab University, Chandigarh, India 1 Panjab University, Chandigarh, India 311 1 Weizmann Inst. of Science, Rehovot, Israel 4 Weizmann Inst. of Science, Rehovot, Israel 312 1 CNRS. Inst. d'Astrophysique, Paris, France 1 CNRS. Inst. d'Astrophysique, Paris, France 313 1 Inst. d'Astrophysique, Liege, Belgium 4 Inst. d'Astrophysique, Liege, Belgium 314 1 Liege, Institut d'Astrophysique, Belgium 11 Liege, Institut d'Astrophysique, Belgium 315 1 Durham, University, Durham, Leics., England 1 Durham, University, Durham, Leics., England 316 1 National Solar Observatory, Sunspot, NM, US 5 National Solar Observatory, Sunspot, NM, US 317 1 Cambridge University, Cambridge, UK 1 Cambridge University, Cambridge, UK 318 1 Liege, Universite, Liege, Belgium 26 Liege, Universite, Liege, Belgium 319 2 Tuorla Observatory, Piikio, Finland 26 Tuorla Observatory, Piikkio, Finland 1 Tuorla Observatory, Piikio, Finland 320 1 Vikram University, Ujjain, India 1 Vikram University, Ujjain, India 321 1 Arya Mehr University, Teheran, Iran 3 Arya Mehr University, Teheran, Iran 322 1 Melbourne, University, Parkville, Australia 2 Melbourne, University, Parkville, Australia 323 1 Utrecht State University, Netherlands 1 Utrecht State University, Netherlands 324 2 Montreal, University, Montreal, Canada 221 Montreal, Universite, Montreal, Canada 2 Montreal, University, Montreal, Canada 325 1 Kagoshima University, Kagoshima, Japan 2 Kagoshima University, Kagoshima, Japan 326 1 Stockholm Univ., Stockholm, Sweden 1 Stockholm Univ., Stockholm, Sweden 327 2 Indiana University, Bloomington, IL 34 Indiana University, Bloomington, IN 1 Indiana University, Bloomington, IL 328 1 Odessa State Univ., Odessa, Ukraine 3 Odessa State Univ., Odessa, Ukraine 329 1 Bochum, Sternwarte, Germany 1 Bochum, Sternwarte, Germany 330 2 Sussex, University, Brighton, England 274 Sussex, University, Brighton, England 3 Sussex University, Brighton, England 331 1 Western Ontario Univ., London, Ontario, Canada 1 Western Ontario Univ., London, Ontario, Canada 332 2 Institut d' Astrophysique, Paris, France 5 Institut d'Astrophysique, Paris, France 1 Institut d' Astrophysique, Paris, France 333 1 Wisconsin, University, Eau Claire, Wis. 2 Wisconsin, University, Eau Claire, Wis. 334 1 California, University, Davis and Livermore, CA 1 California, University, Davis and Livermore, CA 335 1 North Carolina, University, Asheville 4 North Carolina, University, Asheville 336 1 Alabama, University, Birmingham, Ala. 1 Alabama, University, Birmingham, Ala. 337 1 North Alabama, University, Florence, AL 1 North Alabama, University, Florence, AL 338 1 Zaragoza, Universidad, Saragossa, Spain 6 Zaragoza, Universidad, Saragossa, Spain 339 1 Ball State University, Muncie, IN 3 Ball State University, Muncie, IN 340 1 Hosei University, Tokyo, Japan 1 Hosei University, Tokyo, Japan 341 2 Rochester, University, Rochester, NY 15 Rochester, University, Rochester, NY 14 Rochester, University, Rochester, N.Y. 342 2 California University, Santa Cruz 65 California, University, Santa Cruz 1 California University, Santa Cruz 343 1 Calabria, Universita, Cosenza 1 Calabria, Universita, Cosenza 344 3 Kumaon University, Naini Tal, India 2 Kumaun University, Naini Tal, India 1 Kumaon University, Nainital, India 1 Kumaon University, Naini Tal, India 345 2 Catania, Universita, Catania, Italy 1 Catania University, Catania, Italy 35 Catania, Universita, Catania, Italy 346 1 Hawaii, University, Kula, Maui, Hawaii 1 Hawaii, University, Kula, Maui, Hawaii 347 1 Pais Vasco, Universidad, Bilbao, Spain 3 Pais Vasco, Universidad, Bilbao, Spain 348 1 Corralitos Observatory, Las Cruces, N. Mex. 1 Corralitos Observatory, Las Cruces, N. Mex. 349 2 Sproul Observatory, Swarthmore, Pa. 8 Sproul Observatory, Swarthmore, Pa. 8 Sproul Observatory, Swarthmore, PA 350 1 Shaanxi Observatory, Lintong, China 1 Shaanxi Observatory, Lintong, China 351 1 Compton Observatory, Greenbelt, MD 4 Compton Observatory, Greenbelt, MD 352 1 Lowell Observatory, Flagstaff, AZ 166 Lowell Observatory, Flagstaff, AZ 353 1 Sterrewacht Leiden, Netherlands 1 Sterrewacht Leiden, Netherlands 354 1 Niigata University, Niigata, Japan 6 Niigata University, Niigata, Japan 355 1 Service d'Astrophysique, France 7 Service d'Astrophysique, France 356 1 Simon Frazer University, Burnaby, Canada 2 Simon Frazer University, Burnaby, Canada 357 1 Los Andes, Universidad, Bogota, Colombia 1 Los Andes, Universidad, Bogota, Colombia 358 1 California Univ., Irvine, CA, US 3 California Univ., Irvine, CA, US 359 1 Rhodes College, Memphis, TN, US 5 Rhodes College, Memphis, TN, US 360 1 Alabama, University, University, Ala. 22 Alabama, University, University, Ala. 361 1 Lincoln University, Pennsylvania, US 1 Lincoln University, Pennsylvania, US 362 1 Texas Tech University, Lubbock, TX 1 Texas Tech University, Lubbock, TX 363 4 Villanova University, Villanova, Pa. 17 Villanova University, Villanova, PA 12 Villanova University, Villanova, Pa. 1 Villanova, University, Villanova, PA 1 Vilanova University, Villanova, PA 364 3 Washington University, St. Louis, Mo. 31 Washington University, St. Louis, MO 12 Washington University, St. Louis, Mo. 1 Washington, University, St. Louis, MO 365 2 New Mexico, University, Albuquerque 62 New Mexico, University, Albuquerque 1 Mew Mexico, University, Albuquerque 366 1 Drexel Univ., Philadelphia, PA, US 6 Drexel Univ., Philadelphia, PA, US 367 1 George Mason Univ., Fairfax, VA, US 13 George Mason Univ., Fairfax, VA, US 368 1 Pusan Univ., Pusan, Korea 1 Pusan Univ., Pusan, Korea 369 1 Computer Science Corp., Baltimore, MD 1 Computer Science Corp., Baltimore, MD 370 2 NASA. Goddard Inst. for Space Studies, New York, NY, US 6 NASA. Goddard Inst. for Space Studies, New York, NY, US 3 NASA. Goddard Institute for Space Studies, New York, NY, US 371 2 Nasa, Goddard Institute for Space Studies, New York 56 NASA, Goddard Institute for Space Studies, New York 1 Nasa, Goddard Institute for Space Studies, New York 372 1 Belfast, Queens University, Belfast, Northern Ireland 1 Belfast, Queens University, Belfast, Northern Ireland 373 1 Muenchen, Universitaet, Munich, Federal Republic of Germany 52 Muenchen, Universitaet, Munich, Federal Republic of Germany 374 3 The Queen's Univ. of Belfast, Belfast, Northern Ireland 10 The Queen's Univ. of Belfast, Belfast, Northern Ireland 3 Queen's Univ. of Belfast, Belfast, Northern Ireland 1 The Queens Univ. of Belfast, Belfast, Northern Ireland 375 1 Cambridge Univ. Inst. of Astronomy, Observatories, United Kingdom 3 Cambridge Univ. Inst. of Astronomy, Observatories, United Kingdom 376 1 Nordisk Institut for Teoretisk Atomphysik, Copenhagen, Denmark 1 Nordisk Institut for Teoretisk Atomphysik, Copenhagen, Denmark 377 3 Universidad Nacional Autonoma de Mexico, Villa Obregon Mexico 40 Universidad Nacional Autonoma de Mexico, Villa Obregon, Mexico 13 Universidad Nacional Autonoma de Mexico, Alvaro Obregon, Mexico 1 Universidad Nacional Autonoma de Mexico, Villa Obregon Mexico 378 2 Univ. Nacional Autonoma de Mexico, Mexico City, Mexico 2 Univ. Nacional Autonoma de Mexico, Mexico City, Mexico 1 Univ. Nacional Autonoma de Mexico, Mexico, D.F., Mexico 379 1 Akademiia Nauk SSSR, Institut Radiotekhniki i Elektroniki, Moscow, USSR 1 Akademiia Nauk SSSR, Institut Radiotekhniki i Elektroniki, Moscow, USSR 380 6 California Institute of Technology, Jet Propulsion Laboratory, Pasadena 214 California Institute of Technology, Jet Propulsion Laboratory, Pasadena 166 California Institute of Technology, Jet Propulsion Laboratory, Pasadena, CA 1 California, Institute of Technology, Jet Propulsion Laboratory, Pasadena 1 California Institute of Technology, Jet Propulsion Laboratory, Pasadena, 1 California Institute of Technology, Jet Propulsion Laboratory Pasadena 1 California Institute of Technology Jet Propulsion Laboratory, Pasadena 381 2 SERC, Rutherford Appleton Laboratory, Didcot, England 51 SERC, Rutherford Appleton Laboratory, Didcot, England 1 SERC, Rutherford-Appleton Laboratory, Didcot, England 382 1 Instituto de Astronomia y Geodesia, Madrid, Spain 2 Instituto de Astronomia y Geodesia, Madrid, Spain 383 1 Rutherford Appleton Laboratory, Didcot, United Kingdom 2 Rutherford Appleton Laboratory, Didcot, United Kingdom 384 1 Queen Mary and Westfield College, London, United Kingdom 73 Queen Mary and Westfield College, London, United Kingdom 385 1 Instituto de Radioastronmia del CNR, Bologna, Italy 2 Instituto de Radioastronmia del CNR, Bologna, Italy 386 1 ESA, Satellite Tracking Station, Madrid, Spain 5 ESA, Satellite Tracking Station, Madrid, Spain 387 1 Mullard Radio Astronomy Observatory, Cambridge, Mass. 2 Mullard Radio Astronomy Observatory, Cambridge, Mass. 388 3 Observatorio Astrononomico Nacional, Guadalajara, Spain 51 Observatorio Astronomico Nacional, Guadalajara, Spain 1 Observatorio Astrononomico Nacional, Guadalajara, Spain 1 Observatorie Astronomico Nacional, Guadalajara, Spain 389 2 Akademiia Nauk SSSR, Astronomicheskii Sovet, Moscow, USSR 16 Akademiia Nauk SSSR, Astronomicheskii Sovet, Moscow, USSR 1 Akademiia Nauk SSR, Astronomicheskii Sovet, Moscow, USSR 390 1 Los Alamos National Laboratory, Los Alamos, New Mexico, US 2 Los Alamos National Laboratory, Los Alamos, New Mexico, US 391 5 CEA, Service d'Astrophysique, Gif-sur-Yvette, France 162 CEA, Service d'Astrophysique, Gif-sur-Yvette, France 2 CEN, Service d'Astrophysique, Gif-sur-Yvette, France 1 CEA, Service d'Astrophysique, Guf-sur-Yvette, France 1 CEA, Service d' Astrophysique, Gif-sur-Yvette, France 1 CEA, Section d'Astrophysique, Gif-sur-Yvette, France 392 1 Instituto de Radioastronomia, Villa Elisa, Argentina 1 Instituto de Radioastronomia, Villa Elisa, Argentina 393 1 Sacramento Peak National Observatory, Sunspot, N. Mex. 1 Sacramento Peak National Observatory, Sunspot, N. Mex. 394 1 CEA, Laboratoire National Saturne, Gif-sur-Yvette, France 2 CEA, Laboratoire National Saturne, Gif-sur-Yvette, France 395 1 Code 660.2, NASA/Goddard Space Flight Center, Greenbelt, MD, USA 1 Code 660.2, NASA/Goddard Space Flight Center, Greenbelt, MD, USA 396 1 NASA, Ames Research Center, Space Projects Div., Moffett Field, CA 1 NASA, Ames Research Center, Space Projects Div., Moffett Field, CA 397 1 Babalsberg, Sternwarte, Federal Republic of Germany 1 Babalsberg, Sternwarte, Federal Republic of Germany 398 1 NASA, Ames Research Center, Moffett Field, Calif. 52 NASA, Ames Research Center, Moffett Field, Calif. 399 7 Leiden, Rijksuniversiteit, Sterrewacht, Netherlands 276 Leiden, Rijksuniversiteit, Sterrewacht, Netherlands 4 Leiden Rijksuniversiteit, Sterrewacht, Netherlands 3 Leiden, Rijksuniversiteit Sterrewacht, Netherlands 1 Leiden, Rjiksuniversiteit, Sterrewacht, Netherlands 1 Leiden, Rijkuniversiteit, Sterrewacht, Netherlands 1 Leiden, Rijksuniversitet, Sterrewacht, Netherlands 1 Leiden, Rijksuniversiteit, Sterrenwacht, Netherlands 400 3 DFVLR, Wesseling, Federal Republic of Germany 1 DLR, Wessling, Federal Republic of Germany 1 DFVLR, Wessling, Federal Republic of Germany 1 DFVLR, Wesseling, Federal Republic of Germany 401 1 MBB GmbH, Munich, Federal Republic of Germany 1 MBB GmbH, Munich, Federal Republic of Germany 402 1 NASA, Lewis Research Center, Cleveland, Ohio 1 NASA, Lewis Research Center, Cleveland, Ohio 403 1 Hannover, Universitaet, Hanover, Federal Republic of Germany 4 Hannover, Universitaet, Hanover, Federal Republic of Germany 404 1 Barcelona, Universidad Autonoma, Barcelona, Spain 2 Barcelona, Universidad Autonoma, Barcelona, Spain 405 1 Instituto Geografico Nacional, Guadalajara, Spain 4 Instituto Geografico Nacional, Guadalajara, Spain 406 1 Royal Observatory, Blackford Hill, Edinburgh, Scotland 2 Royal Observatory, Blackford Hill, Edinburgh, Scotland 407 5 Space Telescope Science Institute, Balitmore, MD, US 865 Space Telescope Science Institute, Baltimore, MD 186 Space Telescope Science Institute, Baltimore, MD, US 3 Space Telescope Science Institute, Batimore, MD, US 1 Space Telescope and Science Institute, Baltimore, MD, US 1 Space Telescope Science Institute, Balitmore, MD, US 408 1 Trieste, Universita, Trieste, Italy 19 Trieste, Universita, Trieste, Italy 409 1 Univ. Hamburg, Gojenbergsweg, Hamburg, Germany 4 Univ. Hamburg, Gojenbergsweg, Hamburg, Germany 410 1 Universitaets-Sternwarte, Jena 2 Universitaets-Sternwarte, Jena 411 2 T. J. Watson Research Center, Yorktown Heights, NY, US 3 T. J. Watson Research Center, Yorktown Heights, NY, US 1 IBM T. J. Watson Research Center, Yorktown Heights, NY, US 412 1 London, University College, Holmbury St. Mary, Surrey, England 1 London, University College, Holmbury St. Mary, Surrey, England 413 2 Cambridge University Institute of Astronomy, England 163 Cambridge University Institute of Astronomy, England 1 Cambridge University Institute of Astromomy, England 414 1 Aberdeen, University, Aberdeen, Scotland 2 Aberdeen, University, Aberdeen, Scotland 415 4 Paris XI, Universite, Paris, France 21 Paris VI, Universite, Paris, France 1 Paris XI, Universite, Paris, France 1 Paris IX, Universite, Paris, France 21 Paris VII, Universite, Paris, France 416 1 Nagoya University, Furocho, Japan 4 Nagoya University, Furocho, Japan 417 1 Kharkov University, Kharkov, Ukraine 2 Kharkov University, Kharkov, Ukraine 418 1 Stanford University, Stanford, Calif. 79 Stanford University, Stanford, Calif. 419 1 An der Sternwarte, Postdam, Germany 1 An der Sternwarte, Postdam, Germany 420 1 Dublin, University College, Dublin, Ireland 1 Dublin, University College, Dublin, Ireland 421 2 Virginia, University, Charlottesville 164 Virginia, University, Charlottesville 1 Virginia University, Charlottesville 422 1 Univ. of Edinburgh, Edinburgh, Scotland, UK 1 Univ. of Edinburgh, Edinburgh, Scotland, UK 423 1 Kievskii Gosudarstvennyi Universitet, Kiev, Ukrainian SSR 2 Kievskii Gosudarstvennyi Universitet, Kiev, Ukrainian SSR 424 1 Madrid, Universidad Autonoma, Canto Blanco, Spain 1 Madrid, Universidad Autonoma, Canto Blanco, Spain 425 2 Hamburger Sternwarte, Hamburg-Bergedorf, Germany 6 Hamburger Sternwarte, Hamburg-Bergedorf, Germany 2 Hamburger-Sterwarte, Hamgurg-Bergedorf, Germany 426 2 Sterrwacht Leiden, Leiden, Netherlands 28 Sterrewacht Leiden, Leiden, Netherlands 3 Sterrwacht Leiden, Leiden, Netherlands 427 1 Radiosterrewacht Westerbork, Zwiggelte, Netherlands 2 Radiosterrewacht Westerbork, Zwiggelte, Netherlands 428 1 Copenhagen Univ., Copenhagen, Denmark 2 Copenhagen Univ., Copenhagen, Denmark 429 1 Edinburgh, University, United Kingdom 2 Edinburgh, University, United Kingdom 430 1 California, University, Riverside, CA 2 California, University, Riverside, CA 431 1 Oriente, Universidad, Cumana, Venezuela 1 Oriente, Universidad, Cumana, Venezuela 432 1 Teheran University, Teheran, Iran 1 Teheran University, Teheran, Iran 433 1 Windsor, University, Windsor, Ontario, Canada 7 Windsor, University, Windsor, Ontario, Canada 434 1 Nanjing University, Nanjing, China 1 Nanjing University, Nanjing, China 435 1 Ulster, New University, Coleraine, Northern Ireland 1 Ulster, New University, Coleraine, Northern Ireland 436 1 Queen's University, Belfast, Northern Ireland 5 Queen's University, Belfast, Northern Ireland 437 4 Liege, Universite, Cointe-Ougree, Belgium 174 Liege, Universite, Cointe-Ougree, Belgium 2 Liege, Universite, Cointe Ougree, Belgium 1 Liege, Universite, Cointe-Ourgree, Belgium 1 Liege, Universite, Cointe-Dugree, Belgium 438 1 Salford University, Salford, Lancs., England 1 Salford University, Salford, Lancs., England 439 1 Reading, University, Reading, Berks., England 2 Reading, University, Reading, Berks., England 440 2 Edinburgh, University, Edinburgh, Scotland 71 Edinburgh, University, Edinburgh, Scotland 2 Edinburgh University, Edinburgh, Scotland 441 1 Indiana, University, Bloomington, Ind. 4 Indiana, University, Bloomington, Ind. 442 1 Silesia, University, Katowice, Poland 1 Silesia, University, Katowice, Poland 443 1 York, University, Heslington, England 4 York, University, Heslington, England 444 1 California, University, Berkeley and Los Angeles 1 California, University, Berkeley and Los Angeles 445 1 California, University, Davis and Livermore 2 California, University, Davis and Livermore 446 1 Loras College, Dubuque, IA, US 1 Loras College, Dubuque, IA, US 447 1 Univ. of Mass., Amherst, MA, US 4 Univ. of Mass., Amherst, MA, US 448 1 Princeton, New Observatory, Princeton 1 Princeton, New Observatory, Princeton 449 1 Yunnan Observatory, Kunming 5 Yunnan Observatory, Kunming 450 1 Wellesley Coll., Wellesley, MA, US 2 Wellesley Coll., Wellesley, MA, US 451 1 Williams College, Williamstown, MA, US 2 Williams College, Williamstown, MA, US 452 1 Waterloo, University, Waterloo, Ontario, Canada 30 Waterloo, University, Waterloo, Ontario, Canada 453 1 Valparaiso University, Valparaiso, IN, US 1 Valparaiso University, Valparaiso, IN, US 454 1 Maryland, University, College Park, MD 225 Maryland, University, College Park, MD 455 1 Queen's University, Kingston, Ontario 2 Queen's University, Kingston, Ontario 456 1 Sussex, University, Brighton, United Kingdom 3 Sussex, University, Brighton, United Kingdom 457 1 Johns Hopkins University, Laurel, MD 17 Johns Hopkins University, Laurel, MD 458 2 York University, Downsview, Ontario, Canada 20 York University, Downsview, Ontario, Canada 1 York, University, Downsview, Ontario, Canada 459 2 Cincinnati, University, Cincinnati, OH 12 Cincinnati, University, Cincinnati, OH 1 Cincinnati, University, Cincinnati, Ohio 460 3 Dr.-Remeis-Sternwarte, Bamberg, Germany 1 Remeis-Sternwarte, Bamberg, Germany 1 Dr.-Remeis-Sternwarte, Bamberg, Germany 1 Dr. Remeis-Sternwarte, Bamberg, Germany 461 1 University of Cambridge, Cambridge, England 1 University of Cambridge, Cambridge, England 462 2 Mons, Universite d'Etat, Mons, Belgium 4 Mons, Universite de l'Etat, Mons, Belgium 2 Mons, Universite d'Etat, Mons, Belgium 463 1 Pusan Univ., Republic of Korea 1 Pusan Univ., Republic of Korea 464 1 Heidelberg Univ., Heidelberg, Germany 2 Heidelberg Univ., Heidelberg, Germany 465 1 Muenchen, Univ.-Sternwarte, Munich, Germany 3 Muenchen, Univ.-Sternwarte, Munich, Germany 466 1 London, University College, Dorking, Surrey 2 London, University College, Dorking, Surrey 467 1 Michigan Univ., Ann Arbor, MI, US 6 Michigan Univ., Ann Arbor, MI, US 468 1 Ibaraki Univ., Bunkyo, Mito, Japan 1 Ibaraki Univ., Bunkyo, Mito, Japan 469 1 Harvard University, Cambridge, MA 62 Harvard University, Cambridge, MA 470 2 La Plata, Universidad Nacional, Argentina 31 La Plata, Universidad Nacional, Argentina 1 La Plata, Universidad National, Argentina 471 2 Madrid, Universidad Complutense, Madrid, Spain 13 Madrid, Universidad Complutense, Madrid, Spain 1 Madrid, Universidad Compluteuse, Madrid, Spain 472 5 Groningen, Rijksuniversteit, Groningen, Netherlands 364 Groningen, Rijksuniversiteit, Groningen, Netherlands 2 Groningen, Rijksuniversitet, Groningen, Netherlands 1 Groningen, Rijkuniversiteit, Groningen, Netherlands 1 Groningen, Rijksuniversteit, Groningen, Netherlands 1 Groningen, Rijksuniversitaet, Groningen, Netherlands 473 1 Liege, Universite de l'Etat, Cointe-Ougree, Bel 1 Liege, Universite de l'Etat, Cointe-Ougree, Bel 474 2 Northern Iowa, University, Cedar Falls, IA 2 Northern Iowa, University, Cedar Falls, Iowa 1 Northern Iowa, University, Cedar Falls, IA 475 3 Cambridge University Observatories, Cambridge, England 55 Cambridge University, Observatories, Cambridge, England 3 Cambridge University, The Observatories, Cambridge, England 1 Cambridge University Observatories, Cambridge, England 476 1 London, University, Observatory, London, England 5 London, University, Observatory, London, England 477 1 Princeton University, New Observatory, Observatory, Princeton, NJ 1 Princeton University, New Observatory, Observatory, Princeton, NJ 478 1 Groningen Rijksuniversiteit, Groningen, Netherlands 5 Groningen Rijksuniversiteit, Groningen, Netherlands 479 1 The University of Calgary, Calgary, Canada 2 The University of Calgary, Calgary, Canada 480 1 Queens's University, Kingston, Ontario, Canada 1 Queens's University, Kingston, Ontario, Canada 481 2 Citta' Universitaria, Catania, Italy 5 Citta Universitaria, Catania, Italy 1 Citta' Universitaria, Catania, Italy 482 1 Galway, University, Republic of Ireland 1 Galway, University, Republic of Ireland 483 1 Virginia, University, Charlottesville, Va. 60 Virginia, University, Charlottesville, Va. 484 1 Warsaw Univesity, Warsaw, Poland 1 Warsaw Univesity, Warsaw, Poland 485 3 Oxford, University, Oxford, England 226 Oxford University, Oxford, England 1 Oxford, University, Oxford, England 1 Oxford University Oxford, England 486 1 Madrid, Universidad Complutense, Madrid 1 Madrid, Universidad Complutense, Madrid 487 1 Ankara, University Observatory 1 Ankara, University Observatory 488 3 Hokkaido University, Sapporo, Japan 22 Hokkaido University, Sapporo, Japan 1 Hokkaido University, Sappora, Japan 1 Hokaido University, Sapporo, Japan 489 1 Belfast, Queens's University, Northern Ireland 1 Belfast, Queens's University, Northern Ireland 490 2 Drake University, Des Moines, IA 1 Drake University, Des Moines, Iowa 4 Drake University, Des Moines, IA 491 1 Laurentian University, Sudbury, Ontario 1 Laurentian University, Sudbury, Ontario 492 2 Vermont, University, Burlington, VT 5 Vermont, University, Burlington, VT 1 Vermont, University, Burlington, Vt. 493 1 Bruxelles, Universite Libre, Brussels, Belgium 35 Bruxelles, Universite Libre, Brussels, Belgium 494 2 Heidelberg, Universitaet, Heidelberg, West Germany 119 Heidelberg, Universitaet, Heidelberg, West Germany 2 Heidelberg, Universitat, Heidelberg, West Germany 495 1 Katholieke Universiteit Leuven, Heverlee, Belgium 4 Katholieke Universiteit Leuven, Heverlee, Belgium 496 1 California, University, Observatories, Santa Cruz 1 California, University, Observatories, Santa Cruz 497 1 Tennessee, University, Knoxville, Tenn. 3 Tennessee, University, Knoxville, Tenn. 498 2 Vermont, University, Burlington 10 Vermont, University, Burlington 1 Vermont, Universtiy, Burlington 499 1 Montana, University, Missoula, Mont. 1 Montana, University, Missoula, Mont. 500 1 Oakland University, Rochester, MI 4 Oakland University, Rochester, MI 501 1 Cambridge University, Cambridge, MA 1 Cambridge University, Cambridge, MA 502 1 Liege, Universite, Cointe-Ougree 11 Liege, Universite, Cointe-Ougree 503 2 Northern Colorado, University, Greeley, CO 3 Northern Colorado, University, Greeley, CO 1 Northern Colorado, University, Greely, CO 504 2 Geneva Observatory, Sauverny, Switzerland 28 Geneva Observatory, Sauverny, Switzerland 1 Geneva, Observatory, Sauverny, Switzerland 505 1 Weizmann Institute, Rehovot, Israel 1 Weizmann Institute, Rehovot, Israel 506 2 Princeton University Observatory, Princeton, NJ 08544, USA 1 Princeton University Observatory, Princeton, NJ 08544, USA 1 Princeton University Observatory, Princeton NJ08540, USA 507 9 Princeton University, New Observatory, Princeton NJ 201 Princeton University, New Observatory, Princeton, N.J. 114 Princeton University, New Observatory, Princeton, NJ 4 Princeton, University, New Observatory, Princeton, N.J. 4 Princeton University, New Observatory, Princeton 1 Princeton, University, New Observatory, Princeton, NJ 1 Princeton University, Observatory, Princeton, NJ 1 Princeton University, New Observatory, Princeton NJ 1 Princeton University, New Observatory Princeton, NJ 1 Princeton University New Observatory, Princeton, N.J. 508 1 Sterrenkundig Inst., Utrecht, Netherlands 2 Sterrenkundig Inst., Utrecht, Netherlands 509 1 Liege, Inst. d'Astrophysique, Belgium 3 Liege, Inst. d'Astrophysique, Belgium 510 2 CNRS, Inst. d'Astrophysique, Paris, France 63 CNRS, Inst. d'Astrophysique, Paris, France 1 CNRS, Inst. d'Astrophysique, Paris France 511 2 Universite de Liege, Liege, Belgium 11 Universite de Liege, Liege, Belgium 1 Universite de Liego, Liege, Belgium 512 6 Universitaets Sternwarte, Munich, West Germany 47 Universitaets-Sternwarte, Munich, West Germany 3 Universitaetssternwarte, Munich, West Germany 1 Universitaets-Sternwarte, Muenich, West Germany 1 Universitaets-Sternwart, Munich, West Germany 1 Universitaets Sternwarte, Munich, West Germany 1 Universitaet-Sternwarte, Munich, West Germany 513 3 Cerro Tololo Inter-American Observatory, Casilla 603, La Serena, Chile 6 Cerro Tololo Interamerican Observatory, Casilla 603, La Serena, Chile 3 Cerro Tololo Inter-American Observatory, Casilla, La Serena, Chile 3 Cerro Tololo Inter-American Observatory, Casilla 603, La Serena, Chile 514 1 Toronto, University, Scarborough, Canada 1 Toronto, University, Scarborough, Canada 515 5 Columbia, University, New York, N.Y. 126 Columbia University, New York, NY 125 Columbia University, New York, N.Y. 5 Columbia, University, New York, NY 1 Columbia, University, New York, N.Y. 1 Columbia University, New York, N.Y 516 1 Tufts University, Medford, MA, US 4 Tufts University, Medford, MA, US 517 2 Crete, University, Iraklion, Greece 16 Crete, University, Heraklion, Greece 2 Crete, University, Iraklion, Greece 518 2 Iowa, University, Iowa City, Iowa 40 Iowa, University, Iowa City, Iowa 40 Iowa, University, Iowa City, IA 519 1 CTA Incorp., Rockville, MD, US 1 CTA Incorp., Rockville, MD, US 520 1 Wesleyan Univ., Middletown, CT, US 6 Wesleyan Univ., Middletown, CT, US 521 1 NASA. Goddard Flight Center, Greenbelt, MD, US 1 NASA. Goddard Flight Center, Greenbelt, MD, US 522 1 Informatics General Corp., Moffett Field, CA 1 Informatics General Corp., Moffett Field, CA 523 1 Indiana Univ., South Bend, IN, US 2 Indiana Univ., South Bend, IN, US 524 1 URA 173 CNRS, Meudon, France 1 URA 173 CNRS, Meudon, France 525 1 Waterloo Univ., Canada 11 Waterloo Univ., Canada 526 1 Brandeis Univ., Waltham, MA 2 Brandeis Univ., Waltham, MA 527 1 Florida Univ., Gainesville, FL, US 5 Florida Univ., Gainesville, FL, US 528 1 Phillips Lab., Aberdeen, MD, US 4 Phillips Lab., Aberdeen, MD, US 529 2 Tel-Aviv Univ., Tel-Aviv, Israel 1 Tel-Aviv Univ., Tel-Aviv, Israel 1 Tel-Aviv Univ., Tel Aviv, Israel 530 1 Butler Univ., Indianapolis, IN, US 1 Butler Univ., Indianapolis, IN, US 531 1 Wisconsin Univ., Milwaukee 1 Wisconsin Univ., Milwaukee 532 1 Crete Univ., Crete, Greece 1 Crete Univ., Crete, Greece 533 1 Puebla, Univ. Autonoma, Mexico 1 Puebla, Univ. Autonoma, Mexico 534 1 Trondheim Univ., Dragvoll, Norway 2 Trondheim Univ., Dragvoll, Norway 535 1 Saint Mary's Univ., Halifax 2 Saint Mary's Univ., Halifax 536 1 Paris X, Univ., Ville-d'Avray 1 Paris X, Univ., Ville-d'Avray 537 1 Utkal Univ., Bhubaneswar 1 Utkal Univ., Bhubaneswar 538 1 Hiroshima Univ., Hiroshima, Japan 8 Hiroshima Univ., Hiroshima, Japan 539 1 Ciadad Univ., Mexico City, Mexico 1 Ciadad Univ., Mexico City, Mexico 540 1 Santiago, Universidad, Chile 1 Santiago, Universidad, Chile 541 2 Helsinki Univ. Observatory 2 Helsinki Univ., Observatory 2 Helsinki Univ. Observatory 542 1 Arkansas Univ., Fayetteville 6 Arkansas Univ., Fayetteville 543 1 Charles Univ., Czech Republic 1 Charles Univ., Czech Republic 544 1 Space Telescope, Garching, Germany 1 Space Telescope, Garching, Germany 545 1 Cordoba, Universidad Nacional, Argentina 7 Cordoba, Universidad Nacional, Argentina 546 2 Clemson University, Clemson, S.C. 5 Clemson University, Clemson, SC 4 Clemson University, Clemson, S.C. 547 1 Radio Observatory, Columbus, OH 1 Radio Observatory, Columbus, OH 548 1 Istanbul University, Turkey 2 Istanbul University, Turkey 549 1 Birmingham Univ., Birmingham, UK 4 Birmingham Univ., Birmingham, UK 550 1 Joint Astronomy Centre, Hilo, HI 74 Joint Astronomy Centre, Hilo, HI 551 1 Observatoire Royal de Belgique, Brussels 1 Observatoire Royal de Belgique, Brussels 552 1 McDonald Observatory, Austin 66 McDonald Observatory, Austin 553 1 Observatorium Lustbuehel, Graz, Austria 2 Observatorium Lustbuehel, Graz, Austria 554 1 Korea Astronomy Observatory, Korea 2 Korea Astronomy Observatory, Korea 555 1 Armagh Observatory, Northern Ireland 79 Armagh Observatory, Northern Ireland 556 1 Bosscha Observatory, Lembang, Indonesia 8 Bosscha Observatory, Lembang, Indonesia 557 1 Sacramento Peak Observatory, Sunspot, NM 57 Sacramento Peak Observatory, Sunspot, NM 558 1 Boston College, Newton, MA, US 1 Boston College, Newton, MA, US 559 1 SSC Laboratory, Dallas, TX, US 1 SSC Laboratory, Dallas, TX, US 560 1 NASA, Ames Research Center 15 NASA, Ames Research Center 561 1 Hamburger Sternwarte 1 Hamburger Sternwarte 562 1 Rutherford Lab., Chilton, UK 3 Rutherford Lab., Chilton, UK 563 7 NASA, Goddard Space Flight Center, Greenbelt, Md 1299 NASA, Goddard Space Flight Center, Greenbelt, MD 175 NASA, Goddard Space Flight Center, Greenbelt, Md. 73 NASA, Goddard Space Flight Center, Greenbelt 1 NASA, Goddard Space Flight Center, Greennbelt, MD 1 NASA, Goddard Space Flight Center, Greenbelt, Md 1 NASA, Goddard Space Flight Center, Greenbelt, MA 1 NASA Goddard Space Flight Center, Greenbelt, MD 564 1 Puerto Rico, Universidad, San Juan 1 Puerto Rico, Universidad, San Juan 565 1 Radio Observatory, Ann Arbor, Mich. 1 Radio Observatory, Ann Arbor, Mich. 566 1 Radio Observatory, Dwingeloo, Netherlands 2 Radio Observatory, Dwingeloo, Netherlands 567 1 Canada-France-Hawaii Telescope, US 1 Canada-France-Hawaii Telescope, US 568 1 Konkoly Observatory, Budapest, Hungary 26 Konkoly Observatory, Budapest, Hungary 569 1 California, University, Los Alamos, NM 4 California, University, Los Alamos, NM 570 2 Princeton, University, Princeton, NJ 1 Princeton, University, Princeton, NJ 65 Princeton University, Princeton, NJ 571 1 Hiroshima University, Hiroshima, Japan 1 Hiroshima University, Hiroshima, Japan 572 3 Illinois, University, Urbana IL 197 Illinois, University, Urbana, IL 1 Illinois, University, Urbana IL 1 Illinois University, Urbana, IL 573 1 Jadavpur Univ., Calcutta, India 5 Jadavpur Univ., Calcutta, India 574 3 Virginia, University, Charlottesville, VA 60 Virginia, University, Charlottesville, VA 1 Virginia University, Charlottesville, VA 1 Virgina, University, Charlottesville, VA 575 1 Miami, University, Coral Gables, FL 2 Miami, University, Coral Gables, FL 576 2 Vanderbilt University, Nashville, Tenn. 3 Vanderbilt University, Nashville, Tenn. 16 Vanderbilt University, Nashville, TN 577 1 Maryland University, College Park, MD 3 Maryland University, College Park, MD 578 2 Nebraska, University, Lincoln, Neb. 21 Nebraska, University, Lincoln, NE 19 Nebraska, University, Lincoln, Neb. 579 1 California Univ., Davis 3 California Univ., Davis 580 1 Sterrenwacht Sonnenborgh, Utrecht, Netherlands 2 Sterrenwacht Sonnenborgh, Utrecht, Netherlands 581 1 Tennessee, University, Knoxville, TN 3 Tennessee, University, Knoxville, TN 582 1 Pittsburgh, University, Pittsburgh, PA 28 Pittsburgh, University, Pittsburgh, PA 583 2 Brown University, Providence, R.I. 2 Brown University, Providence, R.I. 1 Brown University, Providence, RI 584 2 Arkansas, University, Little Rock, AK 2 Arkansas, University, Little Rock, AR 1 Arkansas, University, Little Rock, AK 585 1 Wisconsin, University, Stevens Point 1 Wisconsin, University, Stevens Point 586 2 Valencia, Universidad, Burjasot, Spain 16 Valencia, Universidad, Burjassot, Spain 16 Valencia, Universidad, Burjasot, Spain 587 3 Colorado, University, Boulder, Colo. 133 Colorado, University, Boulder, Colo. 3 Colorado University, Boulder, Colo. 1 Colorado, University, Boulder, Co 588 1 Wisconsin, University, Manitowoc, Wis. 1 Wisconsin, University, Manitowoc, Wis. 589 1 Southern California, University, Tucson, Ariz. 3 Southern California, University, Tucson, Ariz. 590 1 North Carolina, University, Asheville, NC 1 North Carolina, University, Asheville, NC 591 1 Goteborg University, Goteberg, Sweden 2 Goteborg University, Goteberg, Sweden 592 2 Mullard Radio Astronomy Observatory, Cambridge 6 Mullard Radio Astronomy Observatory, Cambridge, UK 2 Mullard Radio Astronomy Observatory, Cambridge 593 4 Univ. Erlangen-Nurnberg, Bamberg, Germany 2 Univ. Erlangen-Nurnberg, Bamburg, Germany 2 Univ. Erlangen-Nurnberg, Bamberg, Germany 1 Univ. Erlangen-Nurberg, Bamberg, Germany 1 Univ. Erlangen-Nuernberg, Bamberg, Germany 594 1 Universitat Wurzburg, Wurzburg, Germany 6 Universitat Wurzburg, Wurzburg, Germany 595 1 Eloret Institute, Moffett Field, CA 1 Eloret Institute, Moffett Field, CA 596 2 Torino, Univ., Turin, Italy 11 Torino, Univ., Turin, Italy 4 Torino Univ., Turin, Italy 597 1 Carnegie Mellon Univ., Pittsburgh, PA, US 2 Carnegie Mellon Univ., Pittsburgh, PA, US 598 1 Hughes STX Corp., Lanham, MD, US 4 Hughes STX Corp., Lanham, MD, US 599 1 Cambridge Univ., United Kingdom 6 Cambridge Univ., United Kingdom 600 1 Rikkyo Univ., Tokyo, Japan 4 Rikkyo Univ., Tokyo, Japan 601 1 Drexel Univ., Philadelphia, PA 2 Drexel Univ., Philadelphia, PA 602 1 Washington Univ., St. Louis, MO, US 5 Washington Univ., St. Louis, MO, US 603 1 Beckman Inst., Urbana, IL, US 2 Beckman Inst., Urbana, IL, US 604 1 Notre Dame Univ., Notre Dame, IN, US 4 Notre Dame Univ., Notre Dame, IN, US 605 1 Brigham Young Univ., Provo, UT, US 9 Brigham Young Univ., Provo, UT, US 606 1 Case Western Univ., Cleveland, OH, US 1 Case Western Univ., Cleveland, OH, US 607 1 Dickenson College, Carlisle, PA, US 2 Dickenson College, Carlisle, PA, US 608 1 Chicago Univ., Chicago, IL, US 2 Chicago Univ., Chicago, IL, US 609 1 Oregon Univ., Eugene 11 Oregon Univ., Eugene 610 1 Old Dominion University, Norfolk, VA 2 Old Dominion University, Norfolk, VA 611 1 Jackson State Univ., Jackson, MS, US 1 Jackson State Univ., Jackson, MS, US 612 3 NASA. Marshall Space Flight Center, Huntsville, AL, S 111 NASA. Marshall Space Flight Center, Huntsville, AL, US 4 NASA. Marshall Space Flitht Center, Huntsville, AL, US 1 NASA. Marshall Space Flight Center, Huntsville, AL, S 613 1 California Univ., Los Angeles, CA, US 1 California Univ., Los Angeles, CA, US 614 2 Stanford Univ., Sandford, CA, US 3 Stanford Univ., Sandford, CA, US 1 Standord Univ., Stanford, CA, US 615 1 Minnesota Univ., Minneapolis, MN, US 8 Minnesota Univ., Minneapolis, MN, US 616 1 University Observatory, Glasgow, Scotland 17 University Observatory, Glasgow, Scotland 617 1 Exosat Observatory, Darmstadt, West Germany 1 Exosat Observatory, Darmstadt, West Germany 618 1 Radio Astronomy Observatory 6 Radio Astronomy Observatory 619 1 Madrid, Observatorio Astronomico 1 Madrid, Observatorio Astronomico 620 2 Lund Observatory, Lund, Sweden 6 Lund Observatory, Lund, Sweden 3 Lund, Observatory, Lund, Sweden 621 1 Univ. of Utrecht, Utrecht, Netherlands 4 Univ. of Utrecht, Utrecht, Netherlands 622 1 MPI fuer Astronomie, Heidelberg, Germany 8 MPI fuer Astronomie, Heidelberg, Germany 623 1 Utrecht Observatory, Utrecht Netherlands 1 Utrecht Observatory, Utrecht Netherlands 624 1 Armagh Observatory, Ireland 1 Armagh Observatory, Ireland 625 1 National Solar Observatory, Sunspot, NM 43 National Solar Observatory, Sunspot, NM 626 1 CNRS, Laboratoire d'Astrophysique, Paris 1 CNRS, Laboratoire d'Astrophysique, Paris 627 1 Hida Observatory, Gifu, Japan 1 Hida Observatory, Gifu, Japan 628 1 Apache Point Observatory, Sunspot 1 Apache Point Observatory, Sunspot 629 1 Radiometrics, Inc., Henderson, NV, US 1 Radiometrics, Inc., Henderson, NV, US 630 1 Hanscom Air Force Base, MA, US 1 Hanscom Air Force Base, MA, US 631 1 Valparaiso Univ., Valparaiso, IN, US 2 Valparaiso Univ., Valparaiso, IN, US 632 1 Tartuskii Gosudarstvennyi Universitet 1 Tartuskii Gosudarstvennyi Universitet 633 1 Nihon Univ., Narashino, Japan 1 Nihon Univ., Narashino, Japan 634 1 Flight Control Center, Moscow, USSR 1 Flight Control Center, Moscow, USSR 635 1 The Citadel, Charleston, SC, US 4 The Citadel, Charleston, SC, US 636 1 Joint Astronomy Center, Hilo, HI 84 Joint Astronomy Center, Hilo, HI 637 1 California State University, Northridge, Calif. 3 California State University, Northridge, Calif. 638 1 Cornell University, Ithaca, NY, US 44 Cornell University, Ithaca, NY, US 639 1 West Virginia University, Morgantown 3 West Virginia University, Morgantown 640 1 Indiana University, Bloomington, Ind. 51 Indiana University, Bloomington, Ind. 641 5 New Mexico Institute of Mining and Technology, Socorro, NM 50 New Mexico Institute of Mining and Technology, Socorro 14 New Mexico Institute of Mining and Technology, Socorro, N. Mex. 8 New Mexico Institute of Mining and Technology, Socorro, NM 3 New Mexico Institute of Mining and Technology, Socorro, NM, US 1 New Mexico Instituite of Mining and Technology, Socorro 642 2 T.J. Watson Research Center, Yorktown Heights, NY, US 2 T.J. Watson Research Center, Yorktown Heights, NY, US 1 IBM Watson Research Center, Yorktown Heights, NY, US 643 1 Sterling Software, Inc., Moffett Field, CA 1 Sterling Software, Inc., Moffett Field, CA 644 1 Rostovskii Gosudarstvennyi Universitet, Rostov-on-Don, USSR 3 Rostovskii Gosudarstvennyi Universitet, Rostov-on-Don, USSR 645 1 Gifu University, Kakamigahara 2 Gifu University, Kakamigahara 646 3 Brandeis University, Waltham, MD 24 Brandeis University, Waltham, MA 1 Brandeis Universiy, Waltham, MA 1 Brandeis University, Waltham, MD 647 2 Akademiia Nauk SSSR, Institut Prikladnoi Matematiki, Moscow, USSR 15 Akademiia Nauk SSSR, Institut Prikladnoi Matematiki, Moscow, USSR 1 Akademiia Nauk SSSR, Institut Prikladnoi Matemateki, Moscow, USSR 648 3 Muenchen, Universitaetssternwarte, Munich, West Germany 3 Muenchen, Universitaetssternwarte, Munich, West Germany 3 Muenchen, Universitaets-Sternwarte, Munich, West Germany 1 Muenchen, Universitaets- Sternwarte, Munich, West Germany 649 2 Tuebingen, Universitaet, Federal Republic of Germany 37 Tuebingen, Universitaet, Federal Republic of Germany 2 Goettingen, Universitaet, Federal Republic of Germany 650 3 Universitaets-Sternwarte, Goettingen, Germany 11 Universitaets-Sternwarte, Goettingen, Germany 7 Universitats-Sternwarte, Goettingen, Germany 5 Universitaets-Sternwarte, Gottingen, Germany 651 1 Laurentian University, Sudbury, Ontario, Canada 4 Laurentian University, Sudbury, Ontario, Canada 652 1 SRON, Space Research Lab., Utrecht, Netherlands 1 SRON, Space Research Lab., Utrecht, Netherlands 653 1 Edinburgh, Royal Observatory, Edinburgh, Scotland 3 Edinburgh, Royal Observatory, Edinburgh, Scotland 654 2 University, Observatory, Saint Andrews, Scotland 15 University Observatory, Saint Andrews, Scotland 1 University, Observatory, Saint Andrews, Scotland 655 2 Kyushu Univ., Fukuopka, Japan 4 Kyushu Univ., Fukuoka, Japan 1 Kyushu Univ., Fukuopka, Japan 656 1 Utah Univ., Salt Lake City 1 Utah Univ., Salt Lake City 657 1 California Univ., La Jolla 52 California Univ., La Jolla 658 1 IRAM Granada, Granada, Spain 2 IRAM Granada, Granada, Spain 659 1 Leeds Univ., United Kingdom 3 Leeds Univ., United Kingdom 660 1 Indiana Univ., Bloomington 11 Indiana Univ., Bloomington 661 1 Sternwarte Sonneberg, East Germany 2 Sternwarte Sonneberg, East Germany 662 1 Bilkent Univ., Ankara, Turkey 1 Bilkent Univ., Ankara, Turkey 663 1 Lawrence Berkeley Lab., Berkeley, CA 2 Lawrence Berkeley Lab., Berkeley, CA 664 1 Beijing Astronomical Observatory 1 Beijing Astronomical Observatory 665 1 Radiometrics Inc., Henderson, NV, US 1 Radiometrics Inc., Henderson, NV, US 666 1 NorthWestNet, Bellevue, WA, US 1 NorthWestNet, Bellevue, WA, US 667 1 Wichita State Univ., Wichita, KS, US 4 Wichita State Univ., Wichita, KS, US 668 1 ESA, Astronomy Div., Madrid, Spain 21 ESA, Astronomy Div., Madrid, Spain 669 1 Norwegian Space Centre, Oslo, Norway 1 Norwegian Space Centre, Oslo, Norway 670 1 Infrared Telescope Unit, Hilo, HI 1 Infrared Telescope Unit, Hilo, HI 671 2 Southern California, University, Los Angeles 21 Southern California, University, Los Angeles, CA 9 Southern California, University, Los Angeles 672 1 CEN de Saclay, Gif-sur-Yvette, France 9 CEN de Saclay, Gif-sur-Yvette, France 673 1 NASA, Marshall Space Flight Center 8 NASA, Marshall Space Flight Center 674 1 Vassar Coll., Poughkeepsie, NY, US 1 Vassar Coll., Poughkeepsie, NY, US 675 1 Arizona State Univ., Phoenix, AZ, US 2 Arizona State Univ., Phoenix, AZ, US 676 1 Observatoire Royal, Brussels, Belgium 1 Observatoire Royal, Brussels, Belgium 677 1 Hughes STX, Greenbelt, MD, US 3 Hughes STX, Greenbelt, MD, US 678 1 CNRS, Department d'Astrophysique Fondamentale 1 CNRS, Department d'Astrophysique Fondamentale 679 1 New York, City University, New York, N.Y. 2 New York, City University, New York, N.Y. 680 1 Five College Radio Astronomy Observatory 59 Five College Radio Astronomy Observatory 681 1 Univ. de Cantabria, Santander, Spain 8 Univ. de Cantabria, Santander, Spain 682 1 Yebes, Centro Astronomico, Spain 2 Yebes, Centro Astronomico, Spain 683 1 Radio Astronomy Centre, Ootacamund, India 3 Radio Astronomy Centre, Ootacamund, India 684 1 Compton Science Support Center, Greenbelt, MD 1 Compton Science Support Center, Greenbelt, MD 685 1 Valencia Univ., Burjassot, Spain 6 Valencia Univ., Burjassot, Spain 686 2 Universidad Nacional Autonoma de Mexico, Coyoacan 8 Universidad Nacional Autonoma de Mexico, Coyoacan 1 Universidad Nacional Autonoma de Mexico, Coyoatlan 687 2 Maryland University, College Park, Md. 315 Maryland, University, College Park, Md. 2 Maryland University, College Park, Md. 688 1 Ehime University, Matsuyama, Japan 1 Ehime University, Matsuyama, Japan 689 1 SRON, Utrecht, Netherlands 19 SRON, Utrecht, Netherlands 690 1 Canada-France-Hawaii Telescope Corp. 1 Canada-France-Hawaii Telescope Corp. 691 1 Istanbul, University, Istanbul, Turkey 1 Istanbul, University, Istanbul, Turkey 692 1 Warsaw Univ., Warsaw, Poland 4 Warsaw Univ., Warsaw, Poland 693 1 Barcelona, Universidad Central, Spain 2 Barcelona, Universidad Central, Spain 694 1 York, University, York, England 4 York, University, York, England 695 1 Space Telescope Science Institute 34 Space Telescope Science Institute 696 2 Illinois, University, Urbana 357 Illinois, University, Urbana 2 Illinois University, Urbana 697 3 CNRS, Institut d'Astrophysique, Paris, France 444 CNRS, Institut d'Astrophysique, Paris, France 2 CNR, Institut d'Astrophysique, Paris, France 1 CNRS, Institut d'Astrophysics, Paris, France 698 2 Tel Avive University, Tel Aviv, Israel 4 Tel Aviv, University, Tel Aviv, Israel 1 Tel Avive University, Tel Aviv, Israel 699 1 NASA, Goddard Space Flight Center Operations Facility, Greenbelt, MD 1 NASA, Goddard Space Flight Center Operations Facility, Greenbelt, MD 700 1 NASA. Goddard Space Flight Center, Noordwijk, Netherlands 1 NASA. Goddard Space Flight Center, Noordwijk, Netherlands 701 2 NASA, Marshall Space Flight Center, Huntsville, AL 175 NASA, Marshall Space Flight Center, Huntsville, AL 4 NASA, Marshall Space Flight Center, Huntsville 702 10 Cerro Tololo Inter-American Observatory, La Serena, Chile 135 Cerro Tololo Inter-American Observatory, La Serena, Chile 8 Cerro-Tololo Inter-American Observatory, La Serena, Chile 3 Cerro Tololo Interamerican Observatory, La Serena, Chile 2 Cerro Tololo Inter-American Observatory, LaSerena, Chile 1 Cerro-Tololo Interamerican Observatory, La Serena, Chile 1 Cerro Tololo Interamericano Observatorio, La Serena, Chile 1 Cerro Tololo InterAmerican Observatory, La Serena, Chile 1 Cerro Tololo Inter-Americn Observatory, La Serena, Chile 1 Cerro Tollo Inter-American Observatory, La Serena, Chile 1 Cerre Tololo Inter-American Observatory, La Serena, Chile 703 3 Cerro Tololo Inter-American Observatory, Tucson, AZ, US 3 Cerro Tololo Inter-American Observatory, Tucson, AZ 1 Cerro Tololo Inter-American Observatory, Tucson, Ariz. 1 Cerro Tololo Inter-American Observatory, Tucson, AZ, US 704 1 Goettingen, Universitaet, Sternwarte, Goettingen, West Germany 4 Goettingen, Universitaet, Sternwarte, Goettingen, West Germany 705 1 Leiden, Rijksunivesiteit, Sterrewacht, Netherlands 1 Leiden, Rijksunivesiteit, Sterrewacht, Netherlands 706 1 Nijmegen, Katholieke Universiteit, Nijmegen, Netherlands 6 Nijmegen, Katholieke Universiteit, Nijmegen, Netherlands 707 1 Jagiellonian University, Krakow, Poland 2 Jagiellonian University, Krakow, Poland 708 3 Space Telescope Science Inst., Baltimore, MD 255 Space Telescope Science Inst., Baltimore, MD 165 Space Telescope Science Inst., Baltimore, MD, US 3 Space Telescope Science Inst., Baltimore, MD, Us 709 1 Groningen, Rijksuniversiteit, Netherlands 281 Groningen, Rijksuniversiteit, Netherlands 710 1 Heidelberg, Landessternwarte, Koenigstuhl, West Germany 1 Heidelberg, Landessternwarte, Koenigstuhl, West Germany 711 4 Kiel, Neue Universitaet, Sternwarte, Kiel, West Germany 20 Kiel, Neue Universitaet, Sternwarte, Kiel, West Germany 1 Kiel, Universitaet, Sternwarte, Kiel, West Germany 1 Kiel, Neue Universitat, Sternwarte, Kiel, West Germany 1 Kiel, Neue Universitaet, Stenwarte, Kiel, West Germany 712 1 Sterrewacht Leiden, Leiden, The Netherlands 7 Sterrewacht Leiden, Leiden, The Netherlands 713 1 Radiosterrenwacht Westerbork, Zwiggelte, Netherlands 1 Radiosterrenwacht Westerbork, Zwiggelte, Netherlands 714 3 Belfast, Queen's University, Northern Ireland 132 Belfast, Queen's University, Northern Ireland 1 Belfast, Queens University, Northern Ireland 1 Belfast Queen's University, Northern Ireland 715 3 Observatorium Hoher List, Daum, West Germany 61 Observatorium Hoher List, Daun, West Germany 5 Observatorium Hoher List, Bonn, West Germany 1 Observatorium Hoher List, Daum, West Germany 716 1 NASA. Langley Research Center, Hampton, VA, US 2 NASA. Langley Research Center, Hampton, VA, US 717 4 NASA, Ames Research Center, Moffett Field, CA 324 NASA, Ames Research Center, Moffett Field, CA 82 NASA, Ames Research Center, Moffett Field 1 NASA, Ames Research Center, Moffet Field, CA 1 NASA Ames Research Center, Moffett Field, CA 718 6 Koenigstuhl, Landessternwarte, Heidelberg, West Germany 84 Koenigstuhl, Landessternwarte, Heidelberg, West Germany 4 Konigstuhl, Landessternwarte, Heidelberg, West Germany 4 Koenigsstuhl, Landessternwarte, Heidelberg, West Germany 2 Koenigstuhl Landessternwarte, Heidelberg, West Germany 1 Koenigstuhl, Laudessternwarte, Heidelberg, West Germany 1 Koenigstuhl, Landesternwarte, Heidelberg, West Germany 719 2 Nuffield Radio Astronomy Observatories, Jodrell Bank, England 4 Nuffield Radio Astronomy Observatory, Jodrell Bank, England 3 Nuffield Radio Astronomy Observatories, Jodrell Bank, England 720 1 Physics Department, Queen's University, Kingston, Ontario, Canada 2 Physics Department, Queen's University, Kingston, Ontario, Canada 721 1 ESA, Villafranco Satellite Tracking Station, Madrid, Spain 1 ESA, Villafranco Satellite Tracking Station, Madrid, Spain 722 2 NASA Marshall Space Flight Center, Huntsville, AL, US 5 NASA/Marshall Space Flight Center, Huntsville, AL, US 1 NASA Marshall Space Flight Center, Huntsville, AL, US 723 4 NASA. Goddard Space Flight Center, Greebelt, MD, US 680 NASA. Goddard Space Flight Center, Greenbelt, MD, US 14 NASA/Goddard Space Flight Center, Greenbelt, MD, US 9 NASA. Goddard Space Flight Center, Greebelt, MD, US 1 NASA Goddard Space Flight Center, Greenbelt, MD, US 724 1 Observatorio Astronomico, Santiago de Compostela, Spain 9 Observatorio Astronomico, Santiago de Compostela, Spain 725 2 Observatorio Astronomico Nacional, Bogota, Colombia 4 Observatorio Astronomico Nacional, Bogota, Colombia 2 Observatorio Astronomico Nacional, Bogota, Columbia 726 2 Dunsink Observatory, Castlenock, Ireland 3 Dunsink Observatory, Castleknock, Ireland 1 Dunsink Observatory, Castlenock, Ireland 727 1 Institut d'Astrophysique, Cointe-Ougree, Belgium 1 Institut d'Astrophysique, Cointe-Ougree, Belgium 728 3 Institut d'Astrophysique de Paris, Paris, France 23 Institut d'Astrophysique de Paris, Paris, France 3 Inst. d'Astrophysique de Paris, Paris, France 1 Institut d' Astrophysique de Paris, Paris, France 729 2 Institut d'Astrophysique Spatiale, Orsay 1 Institut d'Astrophysique Spatiale, Orsay 1 Inst. d'Astrophysique Spatiale, Orsay 730 1 Instituto de Astrofisica, Granada, Spain 3 Instituto de Astrofisica, Granada, Spain 731 1 Pennsylvania Univ., Philadelphia, PA, US 1 Pennsylvania Univ., Philadelphia, PA, US 732 1 Royal Holloway College, Egham, Surrey, England 2 Royal Holloway College, Egham, Surrey, England 733 1 Telescope Canada-France-Hawaii Corp., Kamuela, HI 1 Telescope Canada-France-Hawaii Corp., Kamuela, HI 734 1 IBM Almaden Research Center, San Jose, CA 11 IBM Almaden Research Center, San Jose, CA 735 2 NASA, Goddard Institute for Space Studies 59 NASA, Goddard Institute for Space Studies 1 NASA, Goddard Institute for Space Studies, NY 736 1 Observatoire Royal de Belgique, Uccle, Belgium 2 Observatoire Royal de Belgique, Uccle, Belgium 737 1 Space Telescope Science Inst., Baltimore 5 Space Telescope Science Inst., Baltimore 738 1 Kazanskii Gosudarstvennyi Universitet, Kazan, USSR 1 Kazanskii Gosudarstvennyi Universitet, Kazan, USSR 739 2 Southern California University, Tucson, AZ 6 Southern California, University, Tucson, AZ 1 Southern California University, Tucson, AZ 740 1 Yebes, Centro Astronomico, Guadalajara, Spain 2 Yebes, Centro Astronomico, Guadalajara, Spain 741 1 Tsurumi University, Yokohama, Japan 5 Tsurumi University, Yokohama, Japan 742 3 Royal Observatory Edinburgh, Scotland 545 Royal Observatory, Edinburgh, Scotland 1 Royal Observatory, Edingburgh, Scotland 1 Royal Observatory Edinburgh, Scotland 743 1 University of Iowa, IA, US 1 University of Iowa, IA, US 744 1 Solar Astronomy, Pasadena, CA, US 1 Solar Astronomy, Pasadena, CA, US 745 2 Space Telescope Institute, Baltimore, MD, US 7 Space Telescope Institute, Baltimore, MD, US 2 Space Telescope Institute, Baltimore, MD 746 1 Northern Arizona Univ., Flagstaff, AZ, US 4 Northern Arizona Univ., Flagstaff, AZ, US 747 1 McMaster Univ., Hamilton, Ontario, Canada 18 McMaster Univ., Hamilton, Ontario, Canada 748 2 Washington State Univ., Pullman, WA, US 1 Washington State Univ., Pullman, WA, US 1 Washington St. Univ., Pullman, WA, US 749 1 Radio Astronomy Centre, Udhagamandalam 2 Radio Astronomy Centre, Udhagamandalam 750 1 Lick Observatory, Mount Hamilton, CA 3 Lick Observatory, Mount Hamilton, CA 751 1 Daeduk Radio Astronomy Observatory, Daejun, Korea 1 Daeduk Radio Astronomy Observatory, Daejun, Korea 752 1 Institute of Astronomy, Cambridge, England, UK 3 Institute of Astronomy, Cambridge, England, UK 753 2 Joint Astronomy Center, Hilo, HI, US 27 Joint Astronomy Centre, Hilo, HI, US 6 Joint Astronomy Center, Hilo, HI, US 754 1 Inst. for Astronomy, Honolulu, HI, US 7 Inst. for Astronomy, Honolulu, HI, US 755 1 Massachusetts, University, Amherst, MA 74 Massachusetts, University, Amherst, MA 756 2 Howard University, Washington, DC 19 Howard University, Washington, DC 4 Howard University, Washington, D.C. 757 1 Montreal Universite, Montreal, Canada 1 Montreal Universite, Montreal, Canada 758 1 Athens, University, Greece 47 Athens, University, Greece 759 1 Ball State University, Munice, IN, US 1 Ball State University, Munice, IN, US 760 2 Wisconsin, Univerity, Madison, WI 47 Wisconsin, University, Madison, WI 1 Wisconsin, Univerity, Madison, WI 761 2 Milano, Universita, Milan, Italy 129 Milano, Universita, Milan, Italy 1 Milan, Universita, Milan, Italy 762 1 Cukurova University, Adana, Turkey 4 Cukurova University, Adana, Turkey 763 1 Durham University, England 4 Durham University, England 764 1 Ravishankar University, Raipur, India 1 Ravishankar University, Raipur, India 765 1 Paris XI, Universite, Orsay, Essonne 3 Paris XI, Universite, Orsay, Essonne 766 2 Meerut, University, Meerut, India 1 Meerut, University, Meerut, India 1 Meerut University, Meerut, India 767 1 Toronto, University, Mississauga, Canada 6 Toronto, University, Mississauga, Canada 768 2 Vanderbilt University, Nashville, TN, US 12 Vanderbilt University, Nashville, TN, US 2 Vanerbilt University, Nashville, TN, US 769 1 Leicester University, Leicester, UK 1 Leicester University, Leicester, UK 770 1 Sevilla, Universidad, Seville, Spain 1 Sevilla, Universidad, Seville, Spain 771 1 Gemini Project, Tucson, AZ, US 1 Gemini Project, Tucson, AZ, US 772 2 California University, Santa Cruz, Calif. 20 California, University, Santa Cruz, Calif. 2 California University, Santa Cruz, Calif. 773 1 Yunnan University, Kunming, China 2 Yunnan University, Kunming, China 774 2 Missouri, University, Columbia, MO 2 Missouri, University, Columbia, MO 1 Missouri, University, Columbia, Mo. 775 1 Laval, Universite, Quebec, Canada 1 Laval, Universite, Quebec, Canada 776 1 Mons, Univ. de l'Etat, Belgium 1 Mons, Univ. de l'Etat, Belgium 777 1 Salonika, University, Salonika, Greece 30 Salonika, University, Salonika, Greece 778 1 Catalunya, Universitat Politecnica 1 Catalunya, Universitat Politecnica 779 1 Washington, University, Seattle, Wash. 80 Washington, University, Seattle, Wash. 780 3 Padova, Univesita, Padua, Italy 241 Padova, Universita, Padua, Italy 2 Padova, Universita, Padova, Italy 1 Padova, Univesita, Padua, Italy 781 1 Universiteit Leuven, Heverlee, Belgium 3 Universiteit Leuven, Heverlee, Belgium 782 2 Minnesota, University, Minneapolis, Min. 97 Minnesota, University, Minneapolis, MN 1 Minnesota, University, Minneapolis, Min. 783 1 Durham, University, United Kingdom 4 Durham, University, United Kingdom 784 3 Florida, University, Gainesville, Fla. 69 Florida, University, Gainesville, Fla. 61 Florida, University, Gainesville, FL 1 Florida, University, Gainesville, Fla 785 1 Vereniging voor Sterrenkunde, Brussels, Belgium 1 Vereniging voor Sterrenkunde, Brussels, Belgium 786 1 Hamburg, Universitaet, Sternwarte, Hamburg, West Germany 3 Hamburg, Universitaet, Sternwarte, Hamburg, West Germany 787 2 California, University, Los Angeles, CA 139 California, University, Los Angeles, CA 1 California, University, Los Angeles, Calif 788 3 Johns Hopkins University, Baltimore, MA 208 Johns Hopkins University, Baltimore, MD 48 Johns Hopkins University, Baltimore, Md. 1 Johns Hopkins University, Baltimore, MA 789 2 Ohio State University, Columbus, OH 30 Ohio State University, Columbus, OH 20 Ohio State University, Columbus, Ohio 790 1 NASA, Marshall Space Flight Center, Huntsville, Ala. 26 NASA, Marshall Space Flight Center, Huntsville, Ala. 791 1 Michigan, University, Ann Arbor, Mich. 85 Michigan, University, Ann Arbor, Mich. 792 1 New Hampshire Univ., Durham, NH, US 7 New Hampshire Univ., Durham, NH, US 793 1 Colgate Univ., Hamilton, NY 1 Colgate Univ., Hamilton, NY 794 1 King Sejong Univ., Seoul, Korea 1 King Sejong Univ., Seoul, Korea 795 1 Florida Univ., Gainesville 16 Florida Univ., Gainesville 796 1 Melbourne Univ., Australia 1 Melbourne Univ., Australia 797 2 Muenchen, Univ., Munich, Germany 10 Muenchen, Univ., Munich, Germany 1 Muenchen Univ., Munich, Germany 798 1 Toledo Univ., Toledo, OH, US 1 Toledo Univ., Toledo, OH, US 799 1 Brigham Young Univ., Provo, UT 2 Brigham Young Univ., Provo, UT 800 1 Stanford University, Stanford 8 Stanford University, Stanford 801 1 Ben-Gurion Univ., Beersheva, Israel 1 Ben-Gurion Univ., Beersheva, Israel 802 2 Tohuku University, Sendai, Japan 51 Tohoku University, Sendai, Japan 1 Tohuku University, Sendai, Japan 803 1 JATE Univ., Szeged, Hungary 2 JATE Univ., Szeged, Hungary 804 2 Kansas, University, Lawrence, KS 4 Kansas, University, Lawrence, Kan. 15 Kansas, University, Lawrence, KS 805 1 Tromso, Universitetet, Norway 6 Tromso, Universitetet, Norway 806 2 Ferdowski Univ., Mashad, Iran 1 Ferdowski Univ., Mashad, Iran 1 Ferdowsi Univ., Mashhad, Iran 807 1 Puerto Rico, University, Rio Piedras 2 Puerto Rico, University, Rio Piedras 808 2 Liege, Universitede l'Etat, Ougree, Belgium 4 Liege, Universite de l'Etat, Ougree, Belgium 1 Liege, Universitede l'Etat, Ougree, Belgium 809 1 Oslo, University, Blindern, Norway 2 Oslo, University, Blindern, Norway 810 1 George Mason University, Fairfax, VA 28 George Mason University, Fairfax, VA 811 1 Ohio Wesleyan University, Delaware, OH 2 Ohio Wesleyan University, Delaware, OH 812 1 Sheffield, University, Sheffield, England 20 Sheffield, University, Sheffield, England 813 1 Pennsylvania, University, Philadelphia 50 Pennsylvania, University, Philadelphia 814 1 Colgate University, Ithaca, N.Y. 1 Colgate University, Ithaca, N.Y. 815 1 Kobe Women's University, Kobe, Japan 1 Kobe Women's University, Kobe, Japan 816 1 Chalmers University of Technology 4 Chalmers University of Technology 817 1 Widener University, Chester, PA 4 Widener University, Chester, PA 818 1 Helsinki, University, Helsinki, Finland 5 Helsinki, University, Helsinki, Finland 819 1 Buenos Aires, University, Argentina 1 Buenos Aires, University, Argentina 820 1 Texas, University, Richardson 3 Texas, University, Richardson 821 1 Heidelberg, Universitaet, Heidelberg 5 Heidelberg, Universitaet, Heidelberg 822 2 Ibaraki University, Mito, Japan 9 Ibaraki University, Mito, Japan 1 Ibaraki University, Mita, Japan 823 1 Kyoto Univ., Sakyo, Kyoto, Japan 10 Kyoto Univ., Sakyo, Kyoto, Japan 824 2 Cambridge University, Engla 288 Cambridge University, England 1 Cambridge University, Engla 825 1 Princeton University, Princeton, N.J. 74 Princeton University, Princeton, N.J. 826 1 Thrace, University, Xanthi, Greece 1 Thrace, University, Xanthi, Greece 827 1 Cambridge University Institute of Astronomy, United Kingdom 16 Cambridge University Institute of Astronomy, United Kingdom 828 1 Case Western University, Cleveland, OH 1 Case Western University, Cleveland, OH 829 3 Cornell University, Ithaca, NY 370 Cornell University, Ithaca, NY 159 Cornell University, Ithaca, N.Y. 1 Cornel University, Ithaca, N.Y. 830 2 New Mexico, University, Albuquerque, NM 27 New Mexico, University, Albuquerque, NM 1 New Mexico University, Albuquerque, NM 831 2 Texas, University, Dallas, Tex. 3 Texas, University, Dallas, Tex. 1 Texas, University, Dallas, TX 832 1 North Carolina, University, Greensboro 4 North Carolina, University, Greensboro 833 1 Doshisha University, Kyoto, Japan 3 Doshisha University, Kyoto, Japan 834 2 Tel Aviv University, Tel Aviv, Israel 106 Tel Aviv University, Tel Aviv, Israel 4 Tel-Aviv University, Tel-Aviv, Israel 835 1 Cardiff, University College, Wales 29 Cardiff, University College, Wales 836 2 Arizona, University, Tucson, AZ 108 Arizona, University, Tucson, AZ 1 Arizona, University, Tuscon, AZ 837 1 Louisiana, University, Lafayette, LA 1 Louisiana, University, Lafayette, LA 838 1 Waterloo, University, Waterloo, Ontario 3 Waterloo, University, Waterloo, Ontario 839 1 Surrey, University, Guildford, England 1 Surrey, University, Guildford, England 840 1 Wisconsin, University, Eau Claire, WI 3 Wisconsin, University, Eau Claire, WI 841 1 Maryland, University, Greenbelt, Md. 4 Maryland, University, Greenbelt, Md. 842 2 IBM Watson Research Center, Yorktown Heights 1 IBM Watson Research Center, Yorktown Heights, NY 1 IBM Watson Research Center, Yorktown Heights 843 2 NASA, Langley Research Center, Hampton, Va. 10 NASA, Langley Research Center, Hampton, Va. 5 NASA, Langley Research Center, Hampton, VA 844 1 Univ. of Groningen, Groningen, Netherlands 6 Univ. of Groningen, Groningen, Netherlands 845 1 Joint Astrnomy Center, Hilo, HI 1 Joint Astrnomy Center, Hilo, HI 846 1 Trent University, Peterborough, Canada 10 Trent University, Peterborough, Canada 847 2 Southampton University, Southampton, England 19 Southampton, University, Southampton, England 4 Southampton University, Southampton, England 848 1 Radio Astronomy Observatory, Austin, Tex. 7 Radio Astronomy Observatory, Austin, Tex. 849 3 Institute of Space and Astronautical Science, Sagamihara 229, Japan 63 Institute of Space and Astronautical Science, Sagamihara, Japan 4 Institute for Space and Astronautical Science, Sagamihara, Japan 1 Institute of Space and Astronautical Science, Sagamihara 229, Japan 850 1 Frankfurt am Main, Universitaet, Federal Republic of Germany 1 Frankfurt am Main, Universitaet, Federal Republic of Germany 851 1 Hamburg, Universitaet, Sternwarte, Federal Republic of Germany 1 Hamburg, Universitaet, Sternwarte, Federal Republic of Germany 852 1 New Mexico Institute of Mining and Technology 5 New Mexico Institute of Mining and Technology 853 1 Observatorium Hoher List, Daun, Federal Republic of Germany 20 Observatorium Hoher List, Daun, Federal Republic of Germany 854 1 Moskovskii Gosudarstvennyi Universitet, Nauchny, Ukrainian SSR 1 Moskovskii Gosudarstvennyi Universitet, Nauchny, Ukrainian SSR 855 5 Universitats-Sternwarte Goettingen, Goettingen, Germany 2 Universitatssternwarte Goettingen, Goettingen, Germany 2 Universitats-Sternwarte Gottingen, Gottingen, Germany 2 Universitats-Sternwarte Goettingen, Goettingen, Germany 1 Universitaetssternwarte Goettingen, Goettingen, Germany 1 Universitaets-Sternwart Goettingen, Goettingen, Germany 856 1 Institut d'Aeronomie Spatiale de Belgique, Brussels, Belgium 2 Institut d'Aeronomie Spatiale de Belgique, Brussels, Belgium 857 1 Universitat Tuebingen, Tuebingen, Germany 10 Universitat Tuebingen, Tuebingen, Germany 858 1 University of Utrecht, Utrecht, Netherlands 1 University of Utrecht, Utrecht, Netherlands 859 3 NASA, Ames Research Center, Space Sciences Div., Moffett Field, CA 24 NASA, Ames Research Center, Space Science Div., Moffett Field, CA 13 NASA, Ames Research Center, Space Sciences Div., Moffett Field, CA 1 NASA, Ames Research Center Space Sciences Div., Moffett Field, CA 860 1 IUE Observatory, NASA. Goddard Space Flight Center, Greenbelt, MD, US 1 IUE Observatory, NASA. Goddard Space Flight Center, Greenbelt, MD, US 861 3 Weizmann Institute of Science, Rehovot, Israel 129 Weizmann Institute of Science, Rehovot, Israel 2 Weizmann Istitute of Science, Rehovot, Israel 1 Weizmann Institute of Science Rehovot, Israel