| # | Institution | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Paris Observatory | 35 | 1,034 | 41 | 35 |
| 2 | Goddard Space Flight Center | 22 | 930 | 123 | 119 |
| 3 | University of Hawaii | 29 | 834 | 128 | 217 |
| 4 | Brown University | 24 | 758 | 448 | 650 |
| 5 | Ames Research Center | 31 | 603 | 68 | 152 |
| 6 | California Institute of Technology | 31 | 567 | 405 | 825 |
| 7 | The Catholic University of America | 3 | 456 | 489 | 78 |
| 8 | University of Arizona | 25 | 297 | 813 | 2.1K |
| 9 | University of Helsinki | 10 | 272 | 1.8K | 1.9K |
| 10 | University of Maryland | 11 | 271 | 2.4K | 2.8K |
| 11 | University of Costa Rica | 8 | 256 | 136 | 118 |
| 12 | Observatoire de la Côte d’Azur | 9 | 239 | 35 | 29 |
| 13 | State University of New York at Plattsburgh | 3 | 238 | 30 | 13 |
| 14 | Massachusetts Institute of Technology | 6 | 237 | 2.4K | 2.3K |
| 15 | State University of New York | 2 | 231 | 4.9K | 1.9K |
| 16 | University of Oulu | 32 | 225 | 142 | 950 |
| 17 | Lowell Observatory | 11 | 224 | 17 | 16 |
| 18 | University of California | 24 | 209 | 4.9K | 7.6K |
| 18 | Chinese Academy of Sciences | 25 | 209 | 2.3K | 3.4K |
| 20 | German Aerospace Center | 5 | 208 | 161 | 152 |
| 21 | Institut de radioastronomie millimétrique | 3 | 198 | 3 | 4 |
| 22 | Southwest Research Institute | 14 | 196 | 68 | 113 |
| 23 | University of London | 11 | 188 | 1.7K | 2.5K |
| 24 | National Institute for Astrophysics | 5 | 184 | 71 | 40 |
| 25 | National Academy of Sciences of Ukraine | 6 | 178 | 759 | 469 |
| 26 | Cornell University | 7 | 173 | 2.9K | 3.2K |
| 27 | Russian Academy of Sciences | 17 | 172 | 1.5K | 1.8K |
| 28 | National Center for Scientific Research | 13 | 170 | 3.2K | 3.8K |
| 29 | National Astronomical Observatories | 11 | 152 | 48 | 53 |
| 30 | Cairo University | 52 | 150 | 127 | 1.1K |
| 31 | University of Paris-Sud | 12 | 144 | 337 | 883 |
| 32 | Slovak Academy of Sciences | 22 | 141 | 193 | 689 |
| 33 | Johns Hopkins University | 10 | 140 | 2.1K | 3.4K |
| 33 | Besançon Astronomical Observatory | 7 | 140 | 7 | 12 |
| 35 | University of New Mexico | 10 | 133 | 806 | 1.8K |
| 36 | University of Bern | 6 | 131 | 1.9K | 2.2K |
| 37 | University of Michigan | 5 | 129 | 5.7K | 5.2K |
| 38 | Jet Propulsion Laboratory | 1 | 125 | 46 | 27 |
| 38 | Instituto de Astrofísica de Andalucía | 11 | 125 | 22 | 31 |
| 38 | Birkbeck, University of London | 7 | 125 | 297 | 571 |
| 41 | Los Alamos National Laboratory | 11 | 124 | 547 | 1.1K |
| 41 | Korea Astronomy and Space Science Institute | 3 | 124 | 46 | 33 |
| 43 | Tel Aviv University | 12 | 120 | 1.7K | 3.1K |
| 43 | Mount Allison University | 13 | 120 | 21 | 123 |
| 45 | National Centre for Radio Astrophysics | 1 | 119 | 39 | 16 |
| 46 | Czech Academy of Sciences | 18 | 118 | 537 | 1.5K |
| 47 | Geological Survey of Finland | 3 | 117 | 84 | 66 |
| 48 | University of Minnesota | 4 | 114 | 5.9K | 5.1K |
| 49 | Peking University | 3 | 110 | 3.6K | 2.6K |
| 49 | University of Pisa | 7 | 110 | 1.8K | 2.3K |
| 51 | University of Washington | 3 | 106 | 6.9K | 5.4K |
| 51 | National Aeronautics and Space Administration | 7 | 106 | 227 | 411 |
| 53 | University of Manchester | 8 | 102 | 2.9K | 4.2K |
| 54 | University of Valencia | 5 | 98 | 1.9K | 1.9K |
| 55 | Stanford University | 8 | 94 | 3.2K | 5.0K |
| 56 | Boston University | 11 | 93 | 1.1K | 2.8K |
| 57 | European Space Research and Technology Centre | 12 | 91 | 50 | 111 |
| 58 | Banaras Hindu University | 16 | 90 | 316 | 1.0K |
| 58 | The Aerospace Corporation | 3 | 90 | 195 | 176 |
| 60 | Marshall Space Flight Center | 4 | 89 | 112 | 139 |
| 60 | University of Patras | 15 | 89 | 311 | 1.2K |
| 62 | Complutense University of Madrid | 16 | 88 | 853 | 2.4K |
| 63 | Rensselaer Polytechnic Institute | 2 | 87 | 1.6K | 1.3K |
| 63 | Carnegie Institution for Science | 5 | 87 | 245 | 423 |
| 65 | Northern Arizona University | 7 | 86 | 276 | 624 |
| 66 | Geological Survey of Canada | 1 | 84 | 342 | 235 |
| 67 | Kyoto University | 13 | 83 | 2.1K | 3.6K |
| 67 | National and Kapodistrian University of Athens | 15 | 83 | 828 | 2.5K |
| 69 | University of Liège | 3 | 81 | 2.2K | 2.2K |
| 70 | University of Tokyo | 7 | 79 | 4.1K | 4.6K |
| 70 | Nanjing University | 17 | 79 | 700 | 2.0K |
| 72 | Space Telescope Science Institute | 6 | 77 | 39 | 50 |
| 72 | University of Louisiana at Monroe | 2 | 77 | 178 | 123 |
| 74 | University of Alberta | 1 | 76 | 9.1K | 5.0K |
| 74 | Utah State University | 6 | 76 | 799 | 1.6K |
| 76 | Austrian Academy of Sciences | 5 | 75 | 302 | 641 |
| 77 | Arizona State University | 4 | 74 | 3.4K | 3.7K |
| 78 | Astronomical Institute of Slovak Academy of Sciences | 17 | 73 | 3 | 7 |
| 79 | University College London | 8 | 72 | 3.0K | 4.9K |
| 80 | University of Vienna | 8 | 71 | 1.7K | 3.1K |
| 80 | University of Wyoming | 4 | 71 | 1.0K | 1.3K |
| 82 | Technical University of Braunschweig | 3 | 70 | 1.0K | 1.1K |
| 83 | University of Huelva | 3 | 69 | 406 | 399 |
| 84 | Charles University | 7 | 66 | 1.5K | 2.4K |
| 84 | Joseph Fourier University | 3 | 66 | 521 | 930 |
| 86 | Czechoslovak Academy of Sciences | 12 | 65 | 194 | 486 |
| 87 | Pennsylvania State University | 9 | 64 | 3.0K | 5.6K |
| 87 | National Radio Astronomy Observatory | 5 | 64 | 57 | 60 |
| 89 | European Southern Observatory | 14 | 62 | 33 | 56 |
| 89 | University of Massachusetts | 4 | 62 | 2.5K | 3.5K |
| 91 | University of Tromsø – The Arctic University of Norway | 2 | 61 | 1.5K | 1.4K |
| 92 | University of Barcelona | 3 | 60 | 3.7K | 3.5K |
| 92 | Western Carolina University | 1 | 60 | 536 | 196 |
| 94 | University of California, Berkeley | 4 | 59 | 2.3K | 3.4K |
| 95 | Hungarian Academy of Sciences | 3 | 58 | 1.7K | 1.9K |
| 95 | Armagh Observatory | 8 | 58 | 11 | 27 |
| 97 | Rutherford Appleton Laboratory | 4 | 57 | 270 | 336 |
| 97 | McMaster University | 1 | 57 | 6.7K | 4.3K |
| 97 | National Central University | 6 | 57 | 644 | 1.1K |
| 97 | Université de Paris | 1 | 57 | 1.7K | 737 |
| 101 | Instituto de Astrofísica de Canarias | 8 | 56 | 35 | 50 |
| 101 | Geophysical Institute | 5 | 56 | 75 | 137 |
| 101 | Swedish Institute of Space Physics | 7 | 56 | 28 | 55 |
| 101 | Konkoly Observatory | 2 | 56 | 43 | 22 |
| 105 | University of Tromso | 1 | 55 | 430 | 365 |
| 106 | University of Bonn | 4 | 54 | 2.3K | 3.0K |
| 106 | Leiden University | 3 | 54 | 2.4K | 2.8K |
| 108 | National Academy of Sciences | 4 | 53 | 441 | 486 |
| 109 | Vrije Universiteit Brussel | 3 | 52 | 1.7K | 2.2K |
| 109 | Serampore College | 16 | 52 | 1 | 12 |
| 111 | Australian National University | 6 | 51 | 2.0K | 3.7K |
| 111 | Royal Observatory in Greenwich | 4 | 51 | 57 | 52 |
| 113 | European Space Agency | 6 | 50 | 105 | 213 |
| 113 | International Meteor Organization | 5 | 50 | 1 | 2 |
| 113 | Université du Québec à Montréal | 2 | 50 | 1.5K | 1.4K |
| 113 | State University of New York at Geneseo | 5 | 50 | 24 | 112 |
| 113 | Arecibo Observatory | 5 | 50 | 24 | 36 |
| 113 | Lancaster University | 3 | 50 | 1.6K | 2.0K |
| 119 | University of Adelaide | 5 | 49 | 2.4K | 3.9K |
| 120 | University of Texas at Austin | 6 | 47 | 4.5K | 6.7K |
| 121 | Princeton University | 2 | 46 | 3.3K | 3.2K |
| 122 | University of Central Florida | 3 | 45 | 1.9K | 2.4K |
| 123 | Imperial College London | 4 | 44 | 4.2K | 5.5K |
| 123 | University of São Paulo | 6 | 44 | 4.4K | 5.5K |
| 125 | University of Illinois at Urbana–Champaign | 2 | 43 | 4.7K | 4.6K |
| 126 | University of Pennsylvania | 5 | 42 | 4.5K | 6.3K |
| 126 | University of Canterbury | 8 | 42 | 528 | 2.0K |
| 126 | Trinity Western University | 1 | 42 | 129 | 89 |
| 129 | Technical University of Berlin | 3 | 41 | 1.7K | 2.2K |
| 129 | University of Calgary | 6 | 41 | 2.8K | 5.1K |
| 129 | National University of Kharkiv | 7 | 41 | 113 | 192 |
| 129 | Petrozavodsk State University | 1 | 41 | 222 | 37 |
| 129 | Science Applications International Corporation | 6 | 41 | 74 | 276 |
| 134 | Moscow State University | 6 | 40 | 1.6K | 2.2K |
| 134 | Kyung Hee University | 2 | 40 | 2.3K | 2.1K |
| 134 | Smithsonian Astrophysical Observatory | 3 | 40 | 61 | 70 |
| 134 | Campion College | 7 | 40 | 4 | 14 |
| 134 | University of Newcastle | 2 | 40 | 3.6K | 3.7K |
| 139 | Universidad Nacional de Asunción | 1 | 38 | 217 | 119 |
| 140 | National Institute for Space Research | 1 | 37 | 448 | 291 |
| 140 | Laboratório Nacional de Luz Síncrotron | 1 | 37 | 93 | 81 |
| 140 | Universidade Presbiteriana Mackenzie | 1 | 37 | 550 | 198 |
| 143 | Kazan Federal University | 11 | 36 | 223 | 621 |
| 143 | University of Bath | 2 | 36 | 2.5K | 2.9K |
| 143 | University of Regina | 4 | 36 | 460 | 980 |
| 143 | Royal Belgian Institute for Space Aeronomy | 3 | 36 | 43 | 61 |
| 147 | United States Naval Academy | 1 | 35 | 590 | 378 |
| 147 | Eckerd College | 1 | 35 | 148 | 131 |
| 147 | University of Tennessee | 2 | 35 | 4.6K | 4.6K |
| 150 | Clemson University | 1 | 33 | 3.7K | 2.7K |
| 150 | Macau University of Science and Technology | 4 | 33 | 215 | 550 |
| 150 | King Abdulaziz University | 5 | 33 | 1.2K | 2.4K |
| 150 | Ain Shams University | 6 | 33 | 933 | 1.8K |
| 150 | Istituto di Astrofisica Spaziale e Fisica cosmica di Palermo | 2 | 33 | 8 | 9 |
| 155 | University of Turku | 4 | 32 | 1.8K | 3.2K |
| 155 | Aristotle University of Thessaloniki | 11 | 32 | 1.1K | 3.8K |
| 155 | Universitat Politècnica de Catalunya | 3 | 32 | 1.2K | 1.6K |
| 155 | University of Rzeszow | 2 | 32 | 518 | 390 |
| 159 | United States Geological Survey | 1 | 31 | 791 | 801 |
| 159 | University of Arkansas | 2 | 31 | 2.3K | 2.5K |
| 159 | National Solar Observatory | 2 | 31 | 40 | 42 |
| 159 | Australian Astronomical Observatory | 3 | 31 | 25 | 28 |
| 163 | University of Florida | 7 | 30 | 3.9K | 7.4K |
| 163 | University of York | 3 | 30 | 2.3K | 3.4K |
| 163 | École Normale Supérieure | 2 | 30 | 1.0K | 1.4K |
| 166 | New York University | 1 | 29 | 6.1K | 4.7K |
| 166 | University of East Anglia | 2 | 29 | 2.4K | 3.0K |
| 166 | Las Campanas Observatory | 1 | 29 | 20 | 18 |
| 166 | Mobile Vehicle Engineering Institute | 1 | 29 | 1 | 2 |
| 166 | Astronomical Observatory | 6 | 29 | 30 | 42 |
| 171 | Technical University of Munich | 4 | 28 | 3.1K | 4.9K |
| 171 | Hawaii Pacific University | 1 | 28 | 87 | 118 |
| 171 | Solar System Exploration Research Virtual Institute | 1 | 28 | 20 | 19 |
| 171 | University of California, San Diego | 2 | 28 | 4.2K | 4.8K |
| 171 | National Physical Laboratory | 2 | 28 | 494 | 598 |
| 176 | Ahmadu Bello University | 2 | 27 | 591 | 525 |
| 176 | Bulgarian Academy of Sciences | 4 | 27 | 1.1K | 1.7K |
| 176 | University of Waterloo | 2 | 27 | 4.1K | 4.6K |
| 176 | Kyushu University | 6 | 27 | 2.7K | 4.4K |
| 176 | Crimean Astrophysical Observatory | 3 | 27 | 37 | 34 |
| 176 | Shanghai Astronomical Observatory | 3 | 27 | 37 | 44 |
| 182 | Airbus | 2 | 26 | 30 | 71 |
| 182 | Lawrence Livermore National Laboratory | 2 | 26 | 1.1K | 1.5K |
| 182 | SRI International | 1 | 26 | 970 | 1.0K |
| 182 | Polish Academy of Sciences | 5 | 26 | 2.2K | 3.6K |
| 182 | Tohoku University | 7 | 26 | 2.1K | 4.1K |
| 182 | National Technical University of Athens | 5 | 26 | 807 | 1.7K |
| 182 | Istituto Nazionale di Fisica Nucleare | 3 | 26 | 353 | 547 |
| 182 | Natural History Museum | 1 | 26 | 1.1K | 997 |
| 190 | University of Wisconsin–Madison | 5 | 25 | 5.2K | 8.2K |
| 190 | Sternberg Astronomical Institute | 2 | 25 | 79 | 70 |
| 192 | University of Calabria | 3 | 24 | 1.0K | 1.9K |
| 192 | Albright College | 2 | 24 | 25 | 37 |
| 192 | Academia Sinica | 5 | 24 | 1.5K | 3.0K |
| 195 | University of Toronto | 2 | 22 | 9.5K | 9.7K |
| 195 | Natural Resources Canada | 3 | 22 | 404 | 758 |
| 195 | University of Szeged | 2 | 22 | 1.6K | 2.0K |
| 195 | Indian Institute of Astrophysics | 6 | 22 | 50 | 100 |
| 195 | Vrije Universiteit Amsterdam | 1 | 22 | 4.8K | 4.5K |
| 195 | St. Cloud State University | 2 | 22 | 183 | 375 |
| 195 | University of Eastern Piedmont | 1 | 22 | 778 | 909 |
| 195 | University of Alaska Fairbanks | 2 | 22 | 637 | 1.0K |
| 195 | Weber State University | 1 | 22 | 316 | 279 |
| 195 | Vikram Sarabhai Space Centre | 2 | 22 | 200 | 237 |
| 195 | University of Toronto Mississauga | 2 | 22 | 393 | 791 |
| 195 | Kanazawa Institute of Technology | 2 | 22 | 298 | 272 |
| 195 | National Astronomical Observatory of Japan | 7 | 22 | 56 | 123 |
| 195 | The Graduate University for Advanced Studies | 2 | 22 | 277 | 443 |
| 209 | Smithsonian Institution | 3 | 21 | 472 | 808 |
| 209 | Universidad de Monterrey | 1 | 21 | 142 | 119 |
| 209 | University of Oslo | 6 | 21 | 2.5K | 5.6K |
| 209 | NASA Astrobiology Institute | 1 | 21 | 63 | 94 |
| 209 | Kobe University | 2 | 21 | 2.2K | 2.5K |
| 209 | ComUE Paris-Saclay University | 3 | 21 | 1.6K | 2.4K |
| 209 | National Air and Space Museum | 3 | 21 | 21 | 40 |
| 216 | Comenius University in Bratislava | 1 | 20 | 523 | 487 |
| 216 | Université catholique de Louvain | 4 | 20 | 2.0K | 4.4K |
| 216 | Monash University | 3 | 20 | 5.1K | 7.1K |
| 216 | Czech Technical University in Prague | 1 | 20 | 1.3K | 1.1K |
| 216 | University of Exeter | 3 | 20 | 2.4K | 4.1K |
| 216 | Finnish Geospatial Research Institute | 1 | 20 | 68 | 79 |
| 216 | Veer Kunwar Singh University | 3 | 20 | 3 | 14 |
| 216 | National Geospatial-Intelligence Agency | 2 | 20 | 13 | 34 |
| 224 | Langley Research Center | 1 | 19 | 565 | 597 |
| 224 | Rice University | 4 | 19 | 1.4K | 3.2K |
| 226 | Karlsruhe Institute of Technology | 1 | 18 | 3.4K | 3.4K |
| 226 | Université libre de Bruxelles | 4 | 18 | 1.8K | 4.0K |
| 226 | University of Tehran | 3 | 18 | 2.6K | 3.9K |
| 226 | Chalmers University of Technology | 1 | 18 | 2.8K | 2.8K |
| 226 | Council for Scientific and Industrial Research | 1 | 18 | 528 | 653 |
| 226 | Montana State University | 1 | 18 | 2.1K | 2.3K |
| 226 | National Institute of Oceanography | 1 | 18 | 347 | 431 |
| 226 | Kemerovo State University | 2 | 18 | 151 | 99 |
| 234 | Uppsala University | 3 | 17 | 4.0K | 6.1K |
| 234 | University of Valladolid | 2 | 17 | 1.4K | 1.9K |
| 234 | Universitat Jaume I | 1 | 17 | 1.1K | 1.1K |
| 237 | University of Padua | 12 | 16 | 1.6K | 6.3K |
| 237 | Assiut University | 2 | 16 | 1.2K | 1.8K |
| 237 | University of Craiova | 3 | 16 | 177 | 309 |
| 237 | Texas Tech University | 1 | 16 | 3.8K | 3.7K |
| 237 | University of Kent | 3 | 16 | 1.4K | 2.9K |
| 237 | King Saud University | 3 | 16 | 2.6K | 4.3K |
| 237 | Honeybee Robotics | 1 | 16 | 14 | 20 |
| 237 | University of Ilorin | 2 | 16 | 557 | 735 |
| 245 | National Chiao Tung University | 2 | 15 | 1.5K | 2.1K |
| 245 | University of Amsterdam | 2 | 15 | 5.3K | 6.7K |
| 245 | Leibniz Institute for Astrophysics Potsdam | 2 | 15 | 47 | 57 |
| 245 | George Mason University | 1 | 15 | 3.5K | 3.5K |
| 245 | Kyoto Sangyo University | 1 | 15 | 382 | 376 |
| 245 | University of Antofagasta | 2 | 15 | 215 | 400 |
| 245 | National Research Centre | 7 | 15 | 656 | 1.9K |
| 252 | University of Nice Sophia Antipolis | 2 | 14 | 649 | 1.5K |
| 252 | University of Western Brittany | 1 | 14 | 900 | 1.1K |
| 252 | Punjabi University | 11 | 14 | 73 | 815 |
| 252 | Indian Institute of Geomagnetism | 6 | 14 | 30 | 88 |
| 252 | National Observatory of Athens | 7 | 14 | 69 | 279 |
| 257 | Boston College | 1 | 13 | 2.3K | 2.5K |
| 257 | Queen Mary University of London | 2 | 13 | 1.7K | 2.9K |
| 257 | University of Belgrade | 1 | 13 | 4.4K | 4.1K |
| 257 | University of Aberdeen | 1 | 13 | 4.4K | 4.7K |
| 257 | Takushoku University | 1 | 13 | 104 | 75 |
| 257 | University of Surrey | 1 | 13 | 3.7K | 4.0K |
| 257 | University of Toulouse | 1 | 13 | 2.8K | 3.1K |
| 257 | Helwan University | 2 | 13 | 660 | 1.0K |
| 257 | Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Énergie | 1 | 13 | 113 | 131 |
| 257 | Nagano National College of Technology | 1 | 13 | 72 | 53 |
| 267 | CNES | 2 | 12 | 225 | 417 |
| 267 | Kochi University of Technology | 3 | 12 | 161 | 382 |
| 267 | University of Oklahoma | 1 | 12 | 4.4K | 4.7K |
| 267 | Tomsk State University | 1 | 12 | 868 | 807 |
| 267 | California Polytechnic State University | 1 | 12 | 889 | 1.2K |
| 267 | Central Washington University | 1 | 12 | 353 | 513 |
| 267 | Nicolaus Copernicus University in Toruń | 4 | 12 | 729 | 1.7K |
| 267 | Tanta University | 1 | 12 | 1.7K | 1.7K |
| 267 | Rider University | 1 | 12 | 283 | 366 |
| 267 | Teesside University | 2 | 12 | 461 | 1.0K |
| 277 | Taras Shevchenko National University of Kyiv | 3 | 11 | 667 | 901 |
| 277 | University of Edinburgh | 2 | 11 | 5.9K | 7.8K |
| 277 | Sapienza University of Rome | 2 | 11 | 4.8K | 6.4K |
| 277 | Shandong University | 1 | 11 | 4.4K | 4.4K |
| 277 | Saint Louis University | 2 | 11 | 1.5K | 2.8K |
| 277 | Delft University of Technology | 3 | 11 | 2.3K | 4.1K |
| 277 | York University | 2 | 11 | 3.1K | 4.8K |
| 277 | Norwegian Defence Research Establishment | 1 | 11 | 155 | 248 |
| 277 | Instituto Costarricense de Electricidad | 1 | 11 | 17 | 26 |
| 277 | National Institute of Technology, Tiruchirappalli | 7 | 11 | 67 | 489 |
| 287 | Yale University | 1 | 10 | 6.6K | 7.1K |
| 287 | Karolinska Institute | 1 | 10 | 4.5K | 5.0K |
| 287 | Wayne State University | 1 | 10 | 5.2K | 5.6K |
| 287 | Vilnius University | 1 | 10 | 1.7K | 1.9K |
| 287 | GSI Helmholtz Centre for Heavy Ion Research | 1 | 10 | 62 | 109 |
| 287 | University of KwaZulu-Natal | 2 | 10 | 1.8K | 3.0K |
| 287 | Florida State University | 1 | 10 | 4.5K | 5.0K |
| 287 | European Space Astronomy Centre | 2 | 10 | 30 | 37 |
| 287 | University of Saskatchewan | 1 | 10 | 4.8K | 5.4K |
| 287 | Beijing Normal University | 3 | 10 | 1.7K | 3.2K |
| 287 | University of Hertfordshire | 1 | 10 | 1.5K | 1.9K |
| 287 | Rajshahi University | 1 | 10 | 645 | 851 |
| 287 | University of Bahrain | 3 | 10 | 162 | 594 |
| 300 | University of New Hampshire | 1 | 9 | 2.4K | 3.0K |
| 300 | Ludwig Maximilian University of Munich | 2 | 9 | 4.2K | 6.2K |
| 300 | University of Kiel | 3 | 9 | 1.0K | 2.9K |
| 300 | University of British Columbia | 1 | 9 | 10.0K | 10.3K |
| 300 | University of the Western Cape | 1 | 9 | 1.4K | 1.7K |
| 300 | University of Groningen | 1 | 9 | 5.9K | 6.5K |
| 300 | University of Cape Town | 1 | 9 | 4.4K | 5.0K |
| 300 | Lawrence Berkeley National Laboratory | 1 | 9 | 1.6K | 2.1K |
| 300 | RIKEN | 1 | 9 | 1.5K | 1.8K |
| 300 | Eastern Michigan University | 1 | 9 | 875 | 1.2K |
| 300 | University of Colorado Denver | 1 | 9 | 2.7K | 3.6K |
| 300 | United Arab Emirates University | 2 | 9 | 1.2K | 2.6K |
| 300 | Herzberg Institute of Astrophysics | 2 | 9 | 53 | 85 |
| 300 | Steward Observatory | 2 | 9 | 30 | 39 |
| 300 | IThemba LABS | 1 | 9 | 106 | 144 |
| 300 | National Institutes of Natural Sciences, Japan | 2 | 9 | 212 | 493 |
| 300 | National Research Council Canada | 1 | 9 | 1.8K | 2.4K |
| 300 | Royal Observatory of Belgium | 2 | 9 | 80 | 149 |
| 300 | Arcetri Astrophysical Observatory | 1 | 9 | 18 | 19 |
| 300 | Japan Aerospace Exploration Agency | 2 | 9 | 354 | 526 |
| 320 | Tsinghua University | 2 | 8 | 4.1K | 5.6K |
| 320 | University of Warsaw | 4 | 8 | 1.4K | 3.3K |
| 320 | University of Münster | 2 | 8 | 2.9K | 4.8K |
| 320 | King's College London | 1 | 8 | 5.8K | 6.5K |
| 320 | Paul Scherrer Institute | 1 | 8 | 981 | 1.3K |
| 320 | Benemérita Universidad Autónoma de Puebla | 1 | 8 | 849 | 900 |
| 320 | University of the Witwatersrand | 1 | 8 | 4.1K | 4.8K |
| 320 | Harbin Institute of Technology | 1 | 8 | 3.0K | 3.2K |
| 320 | University of Granada | 1 | 8 | 4.7K | 5.0K |
| 320 | East Carolina University | 1 | 8 | 2.7K | 3.4K |
| 320 | University of Hull | 2 | 8 | 1.8K | 3.3K |
| 320 | Maynooth University | 1 | 8 | 836 | 1.3K |
| 320 | MIT Lincoln Laboratory | 2 | 8 | 102 | 276 |
| 320 | National University of Luján | 1 | 8 | 127 | 196 |
| 320 | University of Kalyani | 3 | 8 | 339 | 900 |
| 320 | Ekiti State University | 1 | 8 | 247 | 252 |
| 320 | Academia Sinica Institute of Astronomy and Astrophysics | 1 | 8 | 27 | 34 |
| 320 | Japan Science and Technology Agency | 1 | 8 | 960 | 1.3K |
| 320 | Chinese Academy of Geological Sciences | 1 | 8 | 349 | 419 |
| 320 | Museo Nacional de Ciencias Naturales | 1 | 8 | 295 | 456 |
| 340 | ETH Zürich | 3 | 7 | 3.0K | 5.8K |
| 340 | Tata Institute of Fundamental Research | 4 | 7 | 468 | 1.3K |
| 340 | Freie Universität Berlin | 3 | 7 | 2.4K | 5.2K |
| 340 | Utrecht University | 2 | 7 | 4.7K | 7.3K |
| 340 | University of Birmingham | 1 | 7 | 7.2K | 8.0K |
| 340 | University of Zagreb | 1 | 7 | 3.8K | 4.4K |
| 340 | University of Florence | 2 | 7 | 3.8K | 6.0K |
| 340 | Harvard–Smithsonian Center for Astrophysics | 1 | 7 | 245 | 359 |
| 340 | University of Osijek | 1 | 7 | 527 | 731 |
| 340 | Catholic University of the North | 1 | 7 | 594 | 843 |
| 340 | Alma College | 1 | 7 | 91 | 134 |
| 351 | University of Southampton | 1 | 6 | 6.1K | 7.3K |
| 351 | NOAA | 1 | 6 | 807 | 1.1K |
| 351 | University of Lancaster | 1 | 6 | 885 | 1.3K |
| 351 | Indian Institutes of Technology | 3 | 6 | 2.9K | 5.2K |
| 351 | Athabasca University | 1 | 6 | 338 | 608 |
| 351 | University of Sheffield | 1 | 6 | 6.6K | 7.8K |
| 351 | Case Western Reserve University | 1 | 6 | 5.5K | 6.5K |
| 351 | Novosibirsk State Technical University | 2 | 6 | 232 | 338 |
| 351 | Hofstra University | 1 | 6 | 858 | 1.3K |
| 351 | Liverpool John Moores University | 2 | 6 | 1.3K | 2.9K |
| 351 | Beijing University of Technology | 2 | 6 | 1.4K | 2.1K |
| 351 | University of Toulon | 1 | 6 | 439 | 676 |
| 351 | Aix-Marseille University | 1 | 6 | 3.0K | 3.9K |
| 351 | Technical University of Sofia | 1 | 6 | 221 | 279 |
| 351 | Valdosta State University | 1 | 6 | 339 | 564 |
| 351 | Tripura University | 2 | 6 | 100 | 310 |
| 351 | Hebei University of Economics and Business | 2 | 6 | 40 | 136 |
| 351 | Joint Institute for VLBI in Europe | 1 | 6 | 10 | 10 |
| 351 | Abastumani Astrophysical Observatory | 2 | 6 | 25 | 39 |
| 351 | United States Air Force | 1 | 6 | 242 | 476 |
| 371 | University of Cambridge | 1 | 5 | 9.0K | 10.3K |
| 371 | Virginia Tech | 1 | 5 | 5.8K | 7.1K |
| 371 | University of St Andrews | 1 | 5 | 2.2K | 3.1K |
| 371 | Ruhr University Bochum | 2 | 5 | 2.9K | 5.1K |
| 371 | Tokyo Institute of Technology | 2 | 5 | 2.7K | 4.1K |
| 371 | University of Warwick | 1 | 5 | 5.2K | 6.5K |
| 371 | Tokyo University of Science | 2 | 5 | 1.5K | 2.5K |
| 371 | University of Essex | 1 | 5 | 2.4K | 3.3K |
| 371 | Kyushu Institute of Technology | 1 | 5 | 1.2K | 1.5K |
| 371 | University of Alcalá | 1 | 5 | 2.3K | 3.1K |
| 371 | University of Leicester | 2 | 5 | 3.1K | 5.7K |
| 371 | Universidade Estadual Paulista | 1 | 5 | 3.6K | 3.8K |
| 371 | Télécom Paris | 1 | 5 | 367 | 584 |
| 371 | National Geophysical Research Institute | 1 | 5 | 134 | 191 |
| 371 | Indian Institute of Tropical Meteorology | 1 | 5 | 159 | 214 |
| 371 | Kyoto Pharmaceutical University | 1 | 5 | 417 | 629 |
| 371 | Autonomous University of San Luis Potosí | 1 | 5 | 824 | 1.1K |
| 371 | Hanscom Air Force Base | 1 | 5 | 174 | 262 |
| 371 | Instituto Geofísico del Perú | 1 | 5 | 48 | 78 |
| 371 | Keele University | 1 | 5 | 1.9K | 2.8K |
| 391 | Denso | 1 | 4 | 121 | 196 |
| 391 | University of Copenhagen | 1 | 4 | 7.3K | 8.8K |
| 391 | American Museum of Natural History | 1 | 4 | 548 | 822 |
| 391 | Federal University of Rio de Janeiro | 1 | 4 | 5.2K | 5.7K |
| 391 | Autonomous University of Madrid | 1 | 4 | 4.1K | 5.2K |
| 391 | Cardiff University | 1 | 4 | 5.2K | 6.8K |
| 391 | University of New Brunswick | 2 | 4 | 1.3K | 3.1K |
| 391 | University of Colorado | 2 | 4 | 4.6K | 7.8K |
| 391 | University of Salento | 1 | 4 | 1.6K | 2.5K |
| 391 | University of Houston | 2 | 4 | 3.2K | 5.8K |
| 391 | Ca' Foscari University of Venice | 1 | 4 | 732 | 1.2K |
| 391 | University of Białystok | 1 | 4 | 691 | 901 |
| 391 | Slovak University of Technology in Bratislava | 2 | 4 | 730 | 1.4K |
| 391 | Jadavpur University | 1 | 4 | 2.1K | 2.8K |
| 391 | Indiana University | 1 | 4 | 6.5K | 7.9K |
| 391 | National Atmospheric Research Laboratory | 1 | 4 | 61 | 78 |
| 391 | Otemae University | 1 | 4 | 16 | 25 |
| 391 | Shivaji University | 1 | 4 | 529 | 803 |
| 391 | Symbiosis International University | 1 | 4 | 266 | 429 |
| 391 | Universities Space Research Association | 1 | 4 | 214 | 393 |
| 391 | China Research Institute of Radiowave Propagation | 1 | 4 | 52 | 72 |
| 391 | Purple Mountain Observatory | 3 | 4 | 36 | 82 |
| 391 | Eglin Air Force Base | 1 | 4 | 115 | 245 |
| 391 | Scuola Normale Superiore di Pisa | 1 | 4 | 608 | 954 |
| 415 | Max Planck Institute for Astrophysics | 1 | 3 | 60 | 83 |
| 415 | University of Cologne | 1 | 3 | 4.6K | 6.1K |
| 415 | University of Stuttgart | 1 | 3 | 2.7K | 3.7K |
| 415 | Federal University of Minas Gerais | 3 | 3 | 2.4K | 5.2K |
| 415 | Jagiellonian University | 1 | 3 | 3.4K | 4.3K |
| 415 | Potsdam Institute for Climate Impact Research | 1 | 3 | 211 | 416 |
| 415 | Northwestern University | 1 | 3 | 7.0K | 8.8K |
| 415 | University of Coimbra | 1 | 3 | 3.6K | 5.0K |
| 415 | AGH University of Science and Technology | 1 | 3 | 1.5K | 2.1K |
| 415 | University of Waikato | 2 | 3 | 1.2K | 3.0K |
| 415 | Graz University of Technology | 1 | 3 | 1.7K | 2.6K |
| 415 | Assam University | 1 | 3 | 389 | 720 |
| 415 | Hokkaido University | 1 | 3 | 5.1K | 6.1K |
| 415 | Serbian Academy of Sciences and Arts | 1 | 3 | 169 | 397 |
| 415 | University of Catania | 2 | 3 | 2.5K | 5.0K |
| 415 | Alexandria University | 1 | 3 | 2.8K | 3.8K |
| 415 | Ural Federal University | 1 | 3 | 782 | 1.1K |
| 415 | Helsinki University of Technology | 1 | 3 | 1.2K | 1.9K |
| 415 | University of Trieste | 1 | 3 | 2.8K | 4.2K |
| 415 | University of Northern Iowa | 1 | 3 | 773 | 1.4K |
| 415 | Youngstown State University | 1 | 3 | 504 | 943 |
| 415 | Smithsonian Environmental Research Center | 1 | 3 | 200 | 423 |
| 415 | Chelyabinsk State University | 1 | 3 | 217 | 250 |
| 415 | Istituto di Scienza e Tecnologie dell'Informazione | 1 | 3 | 92 | 209 |
| 415 | Carter Observatory | 3 | 3 | 7 | 9 |
| 415 | Hunan University of Science and Technology | 1 | 3 | 783 | 1.2K |
| 415 | Manipur University | 1 | 3 | 191 | 362 |
| 415 | Sethu Institute of Technology | 1 | 3 | 93 | 202 |
| 415 | Space Science Institute | 1 | 3 | 46 | 61 |
| 415 | Korea University of Science and Technology | 1 | 3 | 4.3K | 5.8K |
| 415 | Universidade Federal do Recôncavo da Bahia | 3 | 3 | 122 | 444 |
| 415 | Perth Observatory | 1 | 3 | 9 | 11 |
| 415 | Observatoire Midi-Pyrénées | 1 | 3 | 177 | 300 |
| 415 | Universidade de Santiago de Compostela | 1 | 3 | 1.4K | 2.2K |
| 449 | University of Potsdam | 1 | 2 | 2.0K | 3.3K |
| 449 | Victoria University | 1 | 2 | 1.6K | 3.0K |
| 449 | Worcester Polytechnic Institute | 1 | 2 | 1.3K | 2.2K |
| 449 | National Autonomous University of Mexico | 1 | 2 | 5.6K | 6.9K |
| 449 | Çanakkale Onsekiz Mart University | 1 | 2 | 753 | 1.4K |
| 449 | Rhodes University | 1 | 2 | 1.1K | 1.9K |
| 449 | Drexel University | 1 | 2 | 3.1K | 5.0K |
| 449 | Queen's University Belfast | 2 | 2 | 2.7K | 5.8K |
| 449 | Montpellier 2 University | 1 | 2 | 651 | 1.3K |
| 449 | University of Miyazaki | 1 | 2 | 1.7K | 2.4K |
| 449 | University of Calcutta | 10 | 2 | 313 | 2.9K |
| 449 | Nagoya University | 1 | 2 | 4.5K | 5.9K |
| 449 | University of Siena | 1 | 2 | 3.0K | 4.5K |
| 449 | Temple University | 1 | 2 | 4.4K | 6.2K |
| 449 | Politehnica University of Bucharest | 1 | 2 | 824 | 1.3K |
| 449 | Universidad del Desarrollo | 1 | 2 | 372 | 777 |
| 449 | University of Hawaii at Manoa | 1 | 2 | 2.3K | 4.0K |
| 449 | Osmania University | 2 | 2 | 600 | 1.6K |
| 449 | Graduate University for Advanced Studies | 1 | 2 | 139 | 287 |
| 449 | University of Lucknow | 2 | 2 | 460 | 1.2K |
| 449 | Air Force Institute of Technology | 1 | 2 | 651 | 1.1K |
| 449 | Autonomous University of Sinaloa | 1 | 2 | 419 | 740 |
| 449 | National Institute of Information and Communications Technology | 1 | 2 | 437 | 678 |
| 449 | Shahid Bahonar University of Kerman | 1 | 2 | 1.1K | 1.9K |
| 449 | West Bengal State University | 2 | 2 | 59 | 265 |
| 449 | Birla Institute of Technology, Mesra | 1 | 2 | 1.0K | 1.8K |
| 449 | Homewood Campus of Johns Hopkins University | 1 | 2 | 4 | 9 |
| 449 | W.M. Keck Observatory | 1 | 2 | 7 | 14 |
| 477 | United Nations | 1 | 1 | 15 | 110 |
| 477 | University of Oxford | 2 | 1 | 7.6K | 12.4K |
| 477 | Columbia University | 1 | 1 | 8.9K | 11.6K |
| 477 | University of Rochester | 1 | 1 | 4.7K | 6.7K |
| 477 | Heidelberg University | 1 | 1 | 5.3K | 7.3K |
| 477 | Akdeniz University | 2 | 1 | 1.0K | 3.0K |
| 477 | University of Electro-Communications | 2 | 1 | 370 | 865 |
| 477 | McGill University | 1 | 1 | 8.9K | 11.7K |
| 477 | University of Chile | 1 | 1 | 4.2K | 6.1K |
| 477 | Aberystwyth University | 1 | 1 | 1.4K | 2.4K |
| 477 | University of Leeds | 1 | 1 | 6.9K | 9.5K |
| 477 | British Astronomical Association | 1 | 1 | 12 | 15 |
| 477 | Rikkyo University | 1 | 1 | 497 | 878 |
| 477 | Tokyo Metropolitan University | 1 | 1 | 1.9K | 2.9K |
| 477 | Shinshu University | 1 | 1 | 2.0K | 3.0K |
| 477 | National Institute of Polar Research | 1 | 1 | 217 | 374 |
| 477 | University of Ioannina | 1 | 1 | 2.2K | 3.6K |
| 477 | New Mexico State University | 2 | 1 | 1.4K | 3.8K |
| 477 | Loughborough University | 1 | 1 | 3.3K | 5.2K |
| 477 | United States Naval Research Laboratory | 1 | 1 | 1.1K | 1.7K |
| 477 | University of Évora | 1 | 1 | 878 | 1.6K |
| 477 | VTT Technical Research Centre of Finland | 1 | 1 | 1.1K | 1.9K |
| 477 | Manchester Metropolitan University | 1 | 1 | 2.2K | 3.8K |
| 477 | Kharkiv National University of Radioelectronics | 2 | 1 | 63 | 158 |
| 477 | University of North Bengal | 1 | 1 | 354 | 723 |
| 477 | Indian Statistical Institute | 1 | 1 | 1.1K | 1.8K |
| 477 | University of Tarapacá | 1 | 1 | 360 | 779 |
| 477 | Cochin University of Science and Technology | 1 | 1 | 762 | 1.4K |
| 477 | Fukui University of Technology | 1 | 1 | 196 | 362 |
| 477 | Mahatma Gandhi University | 1 | 1 | 420 | 835 |
| 477 | Royal Derby Hospital | 1 | 1 | 314 | 608 |
| 477 | Hooghly Mohsin College | 1 | 1 | 31 | 95 |
| 477 | University of California, Davis | 1 | 1 | 4.2K | 6.5K |
| 477 | Kerala State Council for Science, Technology and Environment | 1 | 1 | 1 | 18 |
| 477 | Observatorio Astronómico de Mallorca | 1 | 1 | 2 | 4 |
| 477 | Romanian Academy | 1 | 1 | 617 | 1.2K |
| 477 | Udaipur Solar Observatory | 1 | 1 | 27 | 35 |
| 477 | Yunnan Observatories | 1 | 1 | 32 | 40 |
| 477 | Fukui National College of Technology | 1 | 1 | 73 | 130 |
| 516 | Seoul National University | 1 | 0 | 5.8K | 8.1K |
| 516 | University of Milan | 1 | 0 | 5.9K | 8.5K |
| 516 | Williams College | 1 | 0 | 610 | 1.3K |
| 516 | Hiroshima University | 1 | 0 | 4.0K | 5.9K |
| 516 | Thales Alenia Space | 1 | 0 | 89 | 205 |
| 516 | Leipzig University | 1 | 0 | 3.9K | 6.1K |
| 516 | University of Bergen | 1 | 0 | 4.1K | 6.6K |
| 516 | Purdue University | 1 | 0 | 7.4K | 10.4K |
| 516 | Polytechnic University of Turin | 2 | 0 | 1.8K | 3.8K |
| 516 | Goddard Institute for Space Studies | 1 | 0 | 53 | 125 |
| 516 | University of Malta | 1 | 0 | 966 | 2.2K |
| 516 | Ateneo de Manila University | 1 | 0 | 196 | 603 |
| 516 | Osaka University | 1 | 0 | 5.3K | 7.3K |
| 516 | City University of New York | 1 | 0 | 5.1K | 7.9K |
| 516 | University of Franche-Comté | 2 | 0 | 544 | 2.0K |
| 516 | University of San Carlos | 1 | 0 | 114 | 365 |
| 516 | Boğaziçi University | 2 | 0 | 835 | 2.8K |
| 516 | National University of San Juan | 2 | 0 | 106 | 494 |
| 516 | Cerro Tololo Inter-American Observatory | 1 | 0 | 26 | 34 |
| 516 | University of Wales | 1 | 0 | 2.4K | 3.9K |
| 516 | Universidade Federal do Paraná | 1 | 0 | 3.4K | 4.9K |
| 516 | Paris Diderot University | 1 | 0 | 2.2K | 3.8K |
| 516 | University of Akron | 1 | 0 | 2.0K | 3.6K |
| 516 | Marmara University | 1 | 0 | 2.0K | 3.7K |
| 516 | University of Reading | 1 | 0 | 3.7K | 5.9K |
| 516 | University of L'Aquila | 1 | 0 | 1.1K | 2.3K |
| 516 | National University of Córdoba | 1 | 0 | 1.9K | 3.1K |
| 516 | Idaho State University | 1 | 0 | 957 | 2.1K |
| 516 | Obafemi Awolowo University | 1 | 0 | 1.4K | 2.7K |
| 516 | Quaid-i-Azam University | 1 | 0 | 1.5K | 2.6K |
| 516 | Finnish Meteorological Institute | 1 | 0 | 170 | 345 |
| 516 | University of Campania "Luigi Vanvitelli" | 1 | 0 | 2.1K | 3.6K |
| 516 | Deen Dayal Upadhyay Gorakhpur University | 1 | 0 | 193 | 336 |
| 516 | Hellenic Naval Academy | 2 | 0 | 11 | 99 |
| 516 | Indonesian Institute of Sciences | 1 | 0 | 374 | 853 |
| 516 | University of Sharjah | 1 | 0 | 1.1K | 2.5K |
| 516 | Tropical Forest Research Institute | 1 | 0 | 18 | 64 |
| 516 | National Time Service Center | 1 | 0 | 7 | 10 |
| 516 | Universitas Istropolitana | 1 | 0 | 1 | 0 |
| 516 | Kandilli Observatory | 2 | 0 | 31 | 117 |
| 516 | Indian Institute of Technology Kanpur | 1 | 0 | 1.4K | 2.3K |
| 516 | University of Durban-Westville | 1 | 0 | 191 | 425 |
| 516 | Agenzia Spaziale Italiana | 1 | 0 | 72 | 180 |
| 516 | Tartu Observatory | 1 | 0 | 56 | 106 |
| 516 | Vatican Observatory | 1 | 0 | 31 | 48 |
| 516 | Astronomical Observatory of Capodimonte | 1 | 0 | 43 | 87 |
