Shanghai Astronomical Observatory, Chinese Academy of Sciences

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Shanghai Astronomical Observatory, Chinese Academy of Sciences

Short name

SHAO CAS

Country, city

China, Shanghai

003n8re58

Organization website

Publications

4 840

Citations

97 972

h-index

121

Top-3 journals

Monthly Notices of the Royal Astronomical Society (721 publications)

Astrophysical Journal (712 publications)

Astronomy and Astrophysics (286 publications)

Top-3 organizations

University of Chinese Academy of Sciences (1158 publications)

National Astronomical Observatories, Chinese Academy of Sciences (657 publications)

Peking University (371 publications)

Top-3 foreign organizations

National Astronomical Observatory of Japan (273 publications)

Korea Astronomy and Space Science Institute (207 publications)

Center for Astrophysics | Harvard & Smithsonian (201 publications)

Most cited in 5 years

Found

Publication title

Publisher

Journal

Countries

Found

Since 1977

Total publications

4840

Total citations

97972

Citations per publication

20.24

Average publications per year

96.8

Average authors per publication

11.65

h-index

121

Metrics description

h-index

A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

Top-30

Fields of science

	500 1000 1500 2000 2500 3000
Space and Planetary Science	Space and Planetary Science, 2691, 55.6% Space and Planetary Science 2691 publications, 55.6%
Astronomy and Astrophysics	Astronomy and Astrophysics, 2687, 55.52% Astronomy and Astrophysics 2687 publications, 55.52%
Geophysics	Geophysics, 327, 6.76% Geophysics 327 publications, 6.76%
General Earth and Planetary Sciences	General Earth and Planetary Sciences, 318, 6.57% General Earth and Planetary Sciences 318 publications, 6.57%
General Physics and Astronomy	General Physics and Astronomy, 192, 3.97% General Physics and Astronomy 192 publications, 3.97%
Atmospheric Science	Atmospheric Science, 155, 3.2% Atmospheric Science 155 publications, 3.2%
Geochemistry and Petrology	Geochemistry and Petrology, 124, 2.56% Geochemistry and Petrology 124 publications, 2.56%
Electrical and Electronic Engineering	Electrical and Electronic Engineering, 103, 2.13% Electrical and Electronic Engineering 103 publications, 2.13%
Aerospace Engineering	Aerospace Engineering, 101, 2.09% Aerospace Engineering 101 publications, 2.09%
Multidisciplinary	Multidisciplinary, 88, 1.82% Multidisciplinary 88 publications, 1.82%
Physics and Astronomy (miscellaneous)	Physics and Astronomy (miscellaneous), 86, 1.78% Physics and Astronomy (miscellaneous) 86 publications, 1.78%
Computers in Earth Sciences	Computers in Earth Sciences, 84, 1.74% Computers in Earth Sciences 84 publications, 1.74%
Nuclear and High Energy Physics	Nuclear and High Energy Physics, 70, 1.45% Nuclear and High Energy Physics 70 publications, 1.45%
Instrumentation	Instrumentation, 63, 1.3% Instrumentation 63 publications, 1.3%
General Medicine	General Medicine, 62, 1.28% General Medicine 62 publications, 1.28%
Earth and Planetary Sciences (miscellaneous)	Earth and Planetary Sciences (miscellaneous), 58, 1.2% Earth and Planetary Sciences (miscellaneous) 58 publications, 1.2%
Condensed Matter Physics	Condensed Matter Physics, 54, 1.12% Condensed Matter Physics 54 publications, 1.12%
Earth-Surface Processes	Earth-Surface Processes, 54, 1.12% Earth-Surface Processes 54 publications, 1.12%
Atomic and Molecular Physics, and Optics	Atomic and Molecular Physics, and Optics, 51, 1.05% Atomic and Molecular Physics, and Optics 51 publications, 1.05%
Oceanography	Oceanography, 35, 0.72% Oceanography 35 publications, 0.72%
Mechanics of Materials	Mechanics of Materials, 33, 0.68% Mechanics of Materials 33 publications, 0.68%
Biochemistry	Biochemistry, 32, 0.66% Biochemistry 32 publications, 0.66%
General Mathematics	General Mathematics, 32, 0.66% General Mathematics 32 publications, 0.66%
Mechanical Engineering	Mechanical Engineering, 32, 0.66% Mechanical Engineering 32 publications, 0.66%
Mathematical Physics	Mathematical Physics, 28, 0.58% Mathematical Physics 28 publications, 0.58%
Analytical Chemistry	Analytical Chemistry, 27, 0.56% Analytical Chemistry 27 publications, 0.56%
Computer Science Applications	Computer Science Applications, 25, 0.52% Computer Science Applications 25 publications, 0.52%
Water Science and Technology	Water Science and Technology, 24, 0.5% Water Science and Technology 24 publications, 0.5%
Engineering (miscellaneous)	Engineering (miscellaneous), 23, 0.48% Engineering (miscellaneous) 23 publications, 0.48%
Electronic, Optical and Magnetic Materials	Electronic, Optical and Magnetic Materials, 22, 0.45% Electronic, Optical and Magnetic Materials 22 publications, 0.45%
	500 1000 1500 2000 2500 3000

Journals

	100 200 300 400 500 600 700 800
Monthly Notices of the Royal Astronomical Society	Monthly Notices of the Royal Astronomical Society, 721, 14.9% Monthly Notices of the Royal Astronomical Society 721 publications, 14.9%
Astrophysical Journal	Astrophysical Journal, 712, 14.71% Astrophysical Journal 712 publications, 14.71%
Astronomy and Astrophysics	Astronomy and Astrophysics, 286, 5.91% Astronomy and Astrophysics 286 publications, 5.91%
Research in Astronomy and Astrophysics	Research in Astronomy and Astrophysics, 196, 4.05% Research in Astronomy and Astrophysics 196 publications, 4.05%
Chinese Astronomy and Astrophysics	Chinese Astronomy and Astrophysics, 194, 4.01% Chinese Astronomy and Astrophysics 194 publications, 4.01%
Remote Sensing	Remote Sensing, 155, 3.2% Remote Sensing 155 publications, 3.2%
Proceedings of the International Astronomical Union	Proceedings of the International Astronomical Union, 153, 3.16% Proceedings of the International Astronomical Union 153 publications, 3.16%
Astrophysical Journal Letters	Astrophysical Journal Letters, 110, 2.27% Astrophysical Journal Letters 110 publications, 2.27%
Physical Review D	Physical Review D, 105, 2.17% Physical Review D 105 publications, 2.17%
Advances in Space Research	Advances in Space Research, 99, 2.05% Advances in Space Research 99 publications, 2.05%
Lecture Notes in Electrical Engineering	Lecture Notes in Electrical Engineering, 95, 1.96% Lecture Notes in Electrical Engineering 95 publications, 1.96%
Astronomical Journal	Astronomical Journal, 78, 1.61% Astronomical Journal 78 publications, 1.61%
Science China: Physics, Mechanics and Astronomy	Science China: Physics, Mechanics and Astronomy, 75, 1.55% Science China: Physics, Mechanics and Astronomy 75 publications, 1.55%
Astrophysical Journal, Supplement Series	Astrophysical Journal, Supplement Series, 75, 1.55% Astrophysical Journal, Supplement Series 75 publications, 1.55%
Symposium - International Astronomical Union	Symposium - International Astronomical Union, 59, 1.22% Symposium - International Astronomical Union 59 publications, 1.22%
GPS Solutions	GPS Solutions, 55, 1.14% GPS Solutions 55 publications, 1.14%
Journal of Geodesy	Journal of Geodesy, 54, 1.12% Journal of Geodesy 54 publications, 1.12%
Publication of the Astronomical Society of Japan	Publication of the Astronomical Society of Japan, 46, 0.95% Publication of the Astronomical Society of Japan 46 publications, 0.95%
Chinese Journal of Astronomy and Astrophysics	Chinese Journal of Astronomy and Astrophysics, 41, 0.85% Chinese Journal of Astronomy and Astrophysics 41 publications, 0.85%
Monthly Notices of the Royal Astronomical Society: Letters	Monthly Notices of the Royal Astronomical Society: Letters, 40, 0.83% Monthly Notices of the Royal Astronomical Society: Letters 40 publications, 0.83%
Chinese Physics Letters	Chinese Physics Letters, 36, 0.74% Chinese Physics Letters 36 publications, 0.74%
Chinese Science Bulletin	Chinese Science Bulletin, 33, 0.68% Chinese Science Bulletin 33 publications, 0.68%
Astrophysics and Space Science	Astrophysics and Space Science, 31, 0.64% Astrophysics and Space Science 31 publications, 0.64%
Journal of Astrophysics and Astronomy	Journal of Astrophysics and Astronomy, 30, 0.62% Journal of Astrophysics and Astronomy 30 publications, 0.62%
Scientia Sinica: Physica, Mechanica et Astronomica	Scientia Sinica: Physica, Mechanica et Astronomica, 29, 0.6% Scientia Sinica: Physica, Mechanica et Astronomica 29 publications, 0.6%
Proceedings of SPIE - The International Society for Optical Engineering	Proceedings of SPIE - The International Society for Optical Engineering, 28, 0.58% Proceedings of SPIE - The International Society for Optical Engineering 28 publications, 0.58%
Sensors	Sensors, 27, 0.56% Sensors 27 publications, 0.56%
Publications of the Astronomical Society of Australia	Publications of the Astronomical Society of Australia, 26, 0.54% Publications of the Astronomical Society of Australia 26 publications, 0.54%
International Astronomical Union Colloquium	International Astronomical Union Colloquium, 26, 0.54% International Astronomical Union Colloquium 26 publications, 0.54%
Geodesy and Geodynamics	Geodesy and Geodynamics, 25, 0.52% Geodesy and Geodynamics 25 publications, 0.52%
	100 200 300 400 500 600 700 800

Publishers

	100 200 300 400 500 600 700 800 900 1000
American Astronomical Society	American Astronomical Society, 925, 19.11% American Astronomical Society 925 publications, 19.11%
Oxford University Press	Oxford University Press, 835, 17.25% Oxford University Press 835 publications, 17.25%
Springer Nature	Springer Nature, 648, 13.39% Springer Nature 648 publications, 13.39%
Elsevier	Elsevier, 557, 11.51% Elsevier 557 publications, 11.51%
IOP Publishing	IOP Publishing, 398, 8.22% IOP Publishing 398 publications, 8.22%
EDP Sciences	EDP Sciences, 307, 6.34% EDP Sciences 307 publications, 6.34%
Cambridge University Press	Cambridge University Press, 297, 6.14% Cambridge University Press 297 publications, 6.14%
MDPI	MDPI, 254, 5.25% MDPI 254 publications, 5.25%
American Physical Society (APS)	American Physical Society (APS), 126, 2.6% American Physical Society (APS) 126 publications, 2.6%
Wiley	Wiley, 108, 2.23% Wiley 108 publications, 2.23%
Science in China Press	Science in China Press, 102, 2.11% Science in China Press 102 publications, 2.11%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 47, 0.97% Institute of Electrical and Electronics Engineers (IEEE) 47 publications, 0.97%
American Geophysical Union	American Geophysical Union, 46, 0.95% American Geophysical Union 46 publications, 0.95%
Taylor & Francis	Taylor & Francis, 32, 0.66% Taylor & Francis 32 publications, 0.66%
SPIE-Intl Soc Optical Eng	SPIE-Intl Soc Optical Eng, 30, 0.62% SPIE-Intl Soc Optical Eng 30 publications, 0.62%
World Scientific	World Scientific, 26, 0.54% World Scientific 26 publications, 0.54%
Frontiers Media S.A.	Frontiers Media S.A., 15, 0.31% Frontiers Media S.A. 15 publications, 0.31%
American Association for the Advancement of Science (AAAS)	American Association for the Advancement of Science (AAAS), 13, 0.27% American Association for the Advancement of Science (AAAS) 13 publications, 0.27%
Copernicus	Copernicus, 13, 0.27% Copernicus 13 publications, 0.27%
AIP Publishing	AIP Publishing, 9, 0.19% AIP Publishing 9 publications, 0.19%
American Meteorological Society	American Meteorological Society, 5, 0.1% American Meteorological Society 5 publications, 0.1%
Hindawi Limited	Hindawi Limited, 5, 0.1% Hindawi Limited 5 publications, 0.1%
Annual Reviews	Annual Reviews, 4, 0.08% Annual Reviews 4 publications, 0.08%
Japan Society for Aeronautical and Space Sciences	Japan Society for Aeronautical and Space Sciences, 4, 0.08% Japan Society for Aeronautical and Space Sciences 4 publications, 0.08%
American Chemical Society (ACS)	American Chemical Society (ACS), 3, 0.06% American Chemical Society (ACS) 3 publications, 0.06%
Pleiades Publishing	Pleiades Publishing, 3, 0.06% Pleiades Publishing 3 publications, 0.06%
The Royal Society	The Royal Society, 3, 0.06% The Royal Society 3 publications, 0.06%
American Society of Civil Engineers (ASCE)	American Society of Civil Engineers (ASCE), 3, 0.06% American Society of Civil Engineers (ASCE) 3 publications, 0.06%
Shanghai Institute of Optics and Fine Mechanics	Shanghai Institute of Optics and Fine Mechanics, 3, 0.06% Shanghai Institute of Optics and Fine Mechanics 3 publications, 0.06%
SAGE	SAGE, 2, 0.04% SAGE 2 publications, 0.04%
	100 200 300 400 500 600 700 800 900 1000

With other organizations

	200 400 600 800 1000 1200
University of Chinese Academy of Sciences	University of Chinese Academy of Sciences, 1158, 23.93% University of Chinese Academy of Sciences 1158 publications, 23.93%
National Astronomical Observatories, Chinese Academy of Sciences	National Astronomical Observatories, Chinese Academy of Sciences, 657, 13.57% National Astronomical Observatories, Chinese Academy of Sciences 657 publications, 13.57%
Peking University	Peking University, 371, 7.67% Peking University 371 publications, 7.67%
University of Science and Technology of China	University of Science and Technology of China, 313, 6.47% University of Science and Technology of China 313 publications, 6.47%
Purple Mountain Observatory, Chinese Academy of Sciences	Purple Mountain Observatory, Chinese Academy of Sciences, 305, 6.3% Purple Mountain Observatory, Chinese Academy of Sciences 305 publications, 6.3%
Nanjing University	Nanjing University, 288, 5.95% Nanjing University 288 publications, 5.95%
National Astronomical Observatory of Japan	National Astronomical Observatory of Japan, 273, 5.64% National Astronomical Observatory of Japan 273 publications, 5.64%
Shanghai Jiao Tong University	Shanghai Jiao Tong University, 267, 5.52% Shanghai Jiao Tong University 267 publications, 5.52%
Korea Astronomy and Space Science Institute	Korea Astronomy and Space Science Institute, 207, 4.28% Korea Astronomy and Space Science Institute 207 publications, 4.28%
Center for Astrophysics \| Harvard & Smithsonian	Center for Astrophysics \| Harvard & Smithsonian, 201, 4.15% Center for Astrophysics \| Harvard & Smithsonian 201 publications, 4.15%
National Institute for Astrophysics	National Institute for Astrophysics, 200, 4.13% National Institute for Astrophysics 200 publications, 4.13%
Max Planck Institute for Radio Astronomy	Max Planck Institute for Radio Astronomy, 186, 3.84% Max Planck Institute for Radio Astronomy 186 publications, 3.84%
Yunnan University	Yunnan University, 166, 3.43% Yunnan University 166 publications, 3.43%
Xinjiang Astronomical Observatory, Chinese Academy of Sciences	Xinjiang Astronomical Observatory, Chinese Academy of Sciences, 164, 3.39% Xinjiang Astronomical Observatory, Chinese Academy of Sciences 164 publications, 3.39%
Max Planck Institute for Astronomy	Max Planck Institute for Astronomy, 157, 3.24% Max Planck Institute for Astronomy 157 publications, 3.24%
Guangzhou University	Guangzhou University, 154, 3.18% Guangzhou University 154 publications, 3.18%
Yunnan Observatories, Chinese Academy of Sciences	Yunnan Observatories, Chinese Academy of Sciences, 154, 3.18% Yunnan Observatories, Chinese Academy of Sciences 154 publications, 3.18%
California Institute of Technology	California Institute of Technology, 153, 3.16% California Institute of Technology 153 publications, 3.16%
University of Tokyo	University of Tokyo, 144, 2.98% University of Tokyo 144 publications, 2.98%
Institute of Astronomy and Astrophysics, Academia Sinica	Institute of Astronomy and Astrophysics, Academia Sinica, 144, 2.98% Institute of Astronomy and Astrophysics, Academia Sinica 144 publications, 2.98%
Tsinghua University	Tsinghua University, 136, 2.81% Tsinghua University 136 publications, 2.81%
Nanjing University of Information Science and Technology	Nanjing University of Information Science and Technology, 121, 2.5% Nanjing University of Information Science and Technology 121 publications, 2.5%
The Graduate University for Advanced Studies	The Graduate University for Advanced Studies, 116, 2.4% The Graduate University for Advanced Studies 116 publications, 2.4%
University of Massachusetts Amherst	University of Massachusetts Amherst, 114, 2.36% University of Massachusetts Amherst 114 publications, 2.36%
Commonwealth Scientific and Industrial Research Organization	Commonwealth Scientific and Industrial Research Organization, 111, 2.29% Commonwealth Scientific and Industrial Research Organization 111 publications, 2.29%
Wuhan University	Wuhan University, 110, 2.27% Wuhan University 110 publications, 2.27%
Sun Yat-sen University	Sun Yat-sen University, 110, 2.27% Sun Yat-sen University 110 publications, 2.27%
University of Texas at Austin	University of Texas at Austin, 104, 2.15% University of Texas at Austin 104 publications, 2.15%
University of Manchester	University of Manchester, 103, 2.13% University of Manchester 103 publications, 2.13%
National Radio Astronomy Observatory	National Radio Astronomy Observatory, 99, 2.05% National Radio Astronomy Observatory 99 publications, 2.05%
	200 400 600 800 1000 1200

With foreign organizations

	50 100 150 200 250 300
National Astronomical Observatory of Japan	National Astronomical Observatory of Japan, 273, 5.64% National Astronomical Observatory of Japan 273 publications, 5.64%
Korea Astronomy and Space Science Institute	Korea Astronomy and Space Science Institute, 207, 4.28% Korea Astronomy and Space Science Institute 207 publications, 4.28%
Center for Astrophysics \| Harvard & Smithsonian	Center for Astrophysics \| Harvard & Smithsonian, 201, 4.15% Center for Astrophysics \| Harvard & Smithsonian 201 publications, 4.15%
National Institute for Astrophysics	National Institute for Astrophysics, 200, 4.13% National Institute for Astrophysics 200 publications, 4.13%
Max Planck Institute for Radio Astronomy	Max Planck Institute for Radio Astronomy, 186, 3.84% Max Planck Institute for Radio Astronomy 186 publications, 3.84%
Max Planck Institute for Astronomy	Max Planck Institute for Astronomy, 157, 3.24% Max Planck Institute for Astronomy 157 publications, 3.24%
California Institute of Technology	California Institute of Technology, 153, 3.16% California Institute of Technology 153 publications, 3.16%
University of Tokyo	University of Tokyo, 144, 2.98% University of Tokyo 144 publications, 2.98%
The Graduate University for Advanced Studies	The Graduate University for Advanced Studies, 116, 2.4% The Graduate University for Advanced Studies 116 publications, 2.4%
University of Massachusetts Amherst	University of Massachusetts Amherst, 114, 2.36% University of Massachusetts Amherst 114 publications, 2.36%
Commonwealth Scientific and Industrial Research Organization	Commonwealth Scientific and Industrial Research Organization, 111, 2.29% Commonwealth Scientific and Industrial Research Organization 111 publications, 2.29%
University of Texas at Austin	University of Texas at Austin, 104, 2.15% University of Texas at Austin 104 publications, 2.15%
University of Manchester	University of Manchester, 103, 2.13% University of Manchester 103 publications, 2.13%
National Radio Astronomy Observatory	National Radio Astronomy Observatory, 99, 2.05% National Radio Astronomy Observatory 99 publications, 2.05%
University of Arizona	University of Arizona, 97, 2% University of Arizona 97 publications, 2%
Observatoire de Paris	Observatoire de Paris, 95, 1.96% Observatoire de Paris 95 publications, 1.96%
Jet Propulsion Laboratory	Jet Propulsion Laboratory, 93, 1.92% Jet Propulsion Laboratory 93 publications, 1.92%
Leiden University	Leiden University, 93, 1.92% Leiden University 93 publications, 1.92%
Universidad de Chile	Universidad de Chile, 89, 1.84% Universidad de Chile 89 publications, 1.84%
University of Exeter	University of Exeter, 86, 1.78% University of Exeter 86 publications, 1.78%
Chalmers University of Technology	Chalmers University of Technology, 79, 1.63% Chalmers University of Technology 79 publications, 1.63%
Netherlands Institute for Radio Astronomy	Netherlands Institute for Radio Astronomy, 78, 1.61% Netherlands Institute for Radio Astronomy 78 publications, 1.61%
University College London	University College London, 75, 1.55% University College London 75 publications, 1.55%
Universidad Nacional Autónoma de México	Universidad Nacional Autónoma de México, 72, 1.49% Universidad Nacional Autónoma de México 72 publications, 1.49%
Goddard Space Flight Center	Goddard Space Flight Center, 71, 1.47% Goddard Space Flight Center 71 publications, 1.47%
Princeton University	Princeton University, 70, 1.45% Princeton University 70 publications, 1.45%
Seoul National University	Seoul National University, 70, 1.45% Seoul National University 70 publications, 1.45%
Institute of Astrophysics of Andalusia	Institute of Astrophysics of Andalusia, 69, 1.43% Institute of Astrophysics of Andalusia 69 publications, 1.43%
Durham University	Durham University, 68, 1.4% Durham University 68 publications, 1.4%
Max Planck Institute for Extraterrestrial Physics	Max Planck Institute for Extraterrestrial Physics, 68, 1.4% Max Planck Institute for Extraterrestrial Physics 68 publications, 1.4%
	50 100 150 200 250 300

With other countries

	200 400 600 800 1000 1200
USA	USA, 1073, 22.17% USA 1073 publications, 22.17%
Germany	Germany, 592, 12.23% Germany 592 publications, 12.23%
United Kingdom	United Kingdom, 515, 10.64% United Kingdom 515 publications, 10.64%
Japan	Japan, 377, 7.79% Japan 377 publications, 7.79%
Australia	Australia, 280, 5.79% Australia 280 publications, 5.79%
Italy	Italy, 274, 5.66% Italy 274 publications, 5.66%
France	France, 227, 4.69% France 227 publications, 4.69%
Spain	Spain, 222, 4.59% Spain 222 publications, 4.59%
Netherlands	Netherlands, 219, 4.52% Netherlands 219 publications, 4.52%
Republic of Korea	Republic of Korea, 218, 4.5% Republic of Korea 218 publications, 4.5%
Chile	Chile, 186, 3.84% Chile 186 publications, 3.84%
India	India, 175, 3.62% India 175 publications, 3.62%
Canada	Canada, 165, 3.41% Canada 165 publications, 3.41%
Russia	Russia, 125, 2.58% Russia 125 publications, 2.58%
South Africa	South Africa, 94, 1.94% South Africa 94 publications, 1.94%
Sweden	Sweden, 91, 1.88% Sweden 91 publications, 1.88%
Finland	Finland, 90, 1.86% Finland 90 publications, 1.86%
Switzerland	Switzerland, 89, 1.84% Switzerland 89 publications, 1.84%
Poland	Poland, 80, 1.65% Poland 80 publications, 1.65%
Hungary	Hungary, 75, 1.55% Hungary 75 publications, 1.55%
Brazil	Brazil, 72, 1.49% Brazil 72 publications, 1.49%
Mexico	Mexico, 67, 1.38% Mexico 67 publications, 1.38%
Uzbekistan	Uzbekistan, 59, 1.22% Uzbekistan 59 publications, 1.22%
Turkey	Turkey, 49, 1.01% Turkey 49 publications, 1.01%
Austria	Austria, 45, 0.93% Austria 45 publications, 0.93%
Israel	Israel, 43, 0.89% Israel 43 publications, 0.89%
Belgium	Belgium, 39, 0.81% Belgium 39 publications, 0.81%
Czech Republic	Czech Republic, 39, 0.81% Czech Republic 39 publications, 0.81%
Ukraine	Ukraine, 32, 0.66% Ukraine 32 publications, 0.66%
	200 400 600 800 1000 1200

We do not take into account publications without a DOI.
Statistics recalculated daily.
Publications published earlier than 1977 are ignored in the statistics.
The horizontal charts show the 30 top positions.
Journals quartiles values are relevant at the moment.