National Astronomical Observatory of Japan

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National Astronomical Observatory of Japan

Short name

NAOJ

Country, city

Japan, Mitaka-shi

052rrw050

Organization website

Publications

10 472

Citations

323 883

h-index

207

Top-3 journals

Astrophysical Journal (2300 publications)

Publication of the Astronomical Society of Japan (1326 publications)

Monthly Notices of the Royal Astronomical Society (971 publications)

Top-3 organizations

University of Tokyo (3572 publications)

The Graduate University for Advanced Studies (1885 publications)

Kyoto University (1333 publications)

Top-3 foreign organizations

Institute of Astronomy and Astrophysics, Academia Sinica (696 publications)

California Institute of Technology (650 publications)

Center for Astrophysics | Harvard & Smithsonian (524 publications)

Most cited in 5 years

Found

Publication title

Publisher

Journal

Countries

Found

Since 1968

Total publications

10472

Total citations

323883

Citations per publication

30.93

Average publications per year

177.49

Average authors per publication

15.03

h-index

207

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

	1000 2000 3000 4000 5000 6000 7000
Astronomy and Astrophysics	Astronomy and Astrophysics, 6642, 63.43% Astronomy and Astrophysics 6642 publications, 63.43%
Space and Planetary Science	Space and Planetary Science, 6622, 63.24% Space and Planetary Science 6622 publications, 63.24%
Geophysics	Geophysics, 292, 2.79% Geophysics 292 publications, 2.79%
General Physics and Astronomy	General Physics and Astronomy, 272, 2.6% General Physics and Astronomy 272 publications, 2.6%
Nuclear and High Energy Physics	Nuclear and High Energy Physics, 232, 2.22% Nuclear and High Energy Physics 232 publications, 2.22%
General Earth and Planetary Sciences	General Earth and Planetary Sciences, 219, 2.09% General Earth and Planetary Sciences 219 publications, 2.09%
Electrical and Electronic Engineering	Electrical and Electronic Engineering, 201, 1.92% Electrical and Electronic Engineering 201 publications, 1.92%
Condensed Matter Physics	Condensed Matter Physics, 190, 1.81% Condensed Matter Physics 190 publications, 1.81%
Atmospheric Science	Atmospheric Science, 181, 1.73% Atmospheric Science 181 publications, 1.73%
General Medicine	General Medicine, 175, 1.67% General Medicine 175 publications, 1.67%
Aerospace Engineering	Aerospace Engineering, 170, 1.62% Aerospace Engineering 170 publications, 1.62%
Atomic and Molecular Physics, and Optics	Atomic and Molecular Physics, and Optics, 163, 1.56% Atomic and Molecular Physics, and Optics 163 publications, 1.56%
Multidisciplinary	Multidisciplinary, 162, 1.55% Multidisciplinary 162 publications, 1.55%
Physics and Astronomy (miscellaneous)	Physics and Astronomy (miscellaneous), 139, 1.33% Physics and Astronomy (miscellaneous) 139 publications, 1.33%
Electronic, Optical and Magnetic Materials	Electronic, Optical and Magnetic Materials, 110, 1.05% Electronic, Optical and Magnetic Materials 110 publications, 1.05%
Instrumentation	Instrumentation, 108, 1.03% Instrumentation 108 publications, 1.03%
Mathematical Physics	Mathematical Physics, 97, 0.93% Mathematical Physics 97 publications, 0.93%
Applied Mathematics	Applied Mathematics, 97, 0.93% Applied Mathematics 97 publications, 0.93%
Computational Mathematics	Computational Mathematics, 86, 0.82% Computational Mathematics 86 publications, 0.82%
Radiation	Radiation, 68, 0.65% Radiation 68 publications, 0.65%
Modeling and Simulation	Modeling and Simulation, 68, 0.65% Modeling and Simulation 68 publications, 0.65%
Geology	Geology, 67, 0.64% Geology 67 publications, 0.64%
General Materials Science	General Materials Science, 64, 0.61% General Materials Science 64 publications, 0.61%
Geochemistry and Petrology	Geochemistry and Petrology, 60, 0.57% Geochemistry and Petrology 60 publications, 0.57%
General Engineering	General Engineering, 50, 0.48% General Engineering 50 publications, 0.48%
Earth and Planetary Sciences (miscellaneous)	Earth and Planetary Sciences (miscellaneous), 49, 0.47% Earth and Planetary Sciences (miscellaneous) 49 publications, 0.47%
Mechanical Engineering	Mechanical Engineering, 33, 0.32% Mechanical Engineering 33 publications, 0.32%
Control and Systems Engineering	Control and Systems Engineering, 28, 0.27% Control and Systems Engineering 28 publications, 0.27%
Earth-Surface Processes	Earth-Surface Processes, 23, 0.22% Earth-Surface Processes 23 publications, 0.22%
Statistical and Nonlinear Physics	Statistical and Nonlinear Physics, 21, 0.2% Statistical and Nonlinear Physics 21 publications, 0.2%
	1000 2000 3000 4000 5000 6000 7000

Journals

	500 1000 1500 2000 2500
Astrophysical Journal	Astrophysical Journal, 2300, 21.96% Astrophysical Journal 2300 publications, 21.96%
Publication of the Astronomical Society of Japan	Publication of the Astronomical Society of Japan, 1326, 12.66% Publication of the Astronomical Society of Japan 1326 publications, 12.66%
Monthly Notices of the Royal Astronomical Society	Monthly Notices of the Royal Astronomical Society, 971, 9.27% Monthly Notices of the Royal Astronomical Society 971 publications, 9.27%
Astronomy and Astrophysics	Astronomy and Astrophysics, 571, 5.45% Astronomy and Astrophysics 571 publications, 5.45%
Proceedings of SPIE - The International Society for Optical Engineering	Proceedings of SPIE - The International Society for Optical Engineering, 532, 5.08% Proceedings of SPIE - The International Society for Optical Engineering 532 publications, 5.08%
Proceedings of the International Astronomical Union	Proceedings of the International Astronomical Union, 432, 4.13% Proceedings of the International Astronomical Union 432 publications, 4.13%
Astrophysical Journal Letters	Astrophysical Journal Letters, 339, 3.24% Astrophysical Journal Letters 339 publications, 3.24%
Astronomical Journal	Astronomical Journal, 258, 2.46% Astronomical Journal 258 publications, 2.46%
Physical Review D	Physical Review D, 242, 2.31% Physical Review D 242 publications, 2.31%
Symposium - International Astronomical Union	Symposium - International Astronomical Union, 165, 1.58% Symposium - International Astronomical Union 165 publications, 1.58%
Advances in Space Research	Advances in Space Research, 160, 1.53% Advances in Space Research 160 publications, 1.53%
Solar Physics	Solar Physics, 151, 1.44% Solar Physics 151 publications, 1.44%
Astrophysical Journal, Supplement Series	Astrophysical Journal, Supplement Series, 136, 1.3% Astrophysical Journal, Supplement Series 136 publications, 1.3%
Astrophysics and Space Science Library	Astrophysics and Space Science Library, 122, 1.17% Astrophysics and Space Science Library 122 publications, 1.17%
Journal of Physics: Conference Series	Journal of Physics: Conference Series, 105, 1% Journal of Physics: Conference Series 105 publications, 1%
International Astronomical Union Colloquium	International Astronomical Union Colloquium, 92, 0.88% International Astronomical Union Colloquium 92 publications, 0.88%
Nature	Nature, 76, 0.73% Nature 76 publications, 0.73%
Nature Astronomy	Nature Astronomy, 75, 0.72% Nature Astronomy 75 publications, 0.72%
Monthly Notices of the Royal Astronomical Society: Letters	Monthly Notices of the Royal Astronomical Society: Letters, 72, 0.69% Monthly Notices of the Royal Astronomical Society: Letters 72 publications, 0.69%
Physical Review C	Physical Review C, 70, 0.67% Physical Review C 70 publications, 0.67%
Earth, Planets and Space	Earth, Planets and Space, 68, 0.65% Earth, Planets and Space 68 publications, 0.65%
Celestial Mechanics and Dynamical Astronomy	Celestial Mechanics and Dynamical Astronomy, 67, 0.64% Celestial Mechanics and Dynamical Astronomy 67 publications, 0.64%
Astrophysics and Space Science	Astrophysics and Space Science, 65, 0.62% Astrophysics and Space Science 65 publications, 0.62%
Science	Science, 62, 0.59% Science 62 publications, 0.59%
Journal of Low Temperature Physics	Journal of Low Temperature Physics, 58, 0.55% Journal of Low Temperature Physics 58 publications, 0.55%
Red Giants as Probes of the Structure and Evolution of the Milky Way	Red Giants as Probes of the Structure and Evolution of the Milky Way, 50, 0.48% Red Giants as Probes of the Structure and Evolution of the Milky Way 50 publications, 0.48%
IEEE Transactions on Applied Superconductivity	IEEE Transactions on Applied Superconductivity, 49, 0.47% IEEE Transactions on Applied Superconductivity 49 publications, 0.47%
Applied Optics	Applied Optics, 46, 0.44% Applied Optics 46 publications, 0.44%
Classical and Quantum Gravity	Classical and Quantum Gravity, 46, 0.44% Classical and Quantum Gravity 46 publications, 0.44%
Icarus	Icarus, 45, 0.43% Icarus 45 publications, 0.43%
	500 1000 1500 2000 2500

Publishers

	500 1000 1500 2000 2500 3000
American Astronomical Society	American Astronomical Society, 2842, 27.14% American Astronomical Society 2842 publications, 27.14%
Oxford University Press	Oxford University Press, 2481, 23.69% Oxford University Press 2481 publications, 23.69%
Springer Nature	Springer Nature, 1052, 10.05% Springer Nature 1052 publications, 10.05%
Cambridge University Press	Cambridge University Press, 765, 7.31% Cambridge University Press 765 publications, 7.31%
EDP Sciences	EDP Sciences, 625, 5.97% EDP Sciences 625 publications, 5.97%
SPIE-Intl Soc Optical Eng	SPIE-Intl Soc Optical Eng, 574, 5.48% SPIE-Intl Soc Optical Eng 574 publications, 5.48%
Elsevier	Elsevier, 473, 4.52% Elsevier 473 publications, 4.52%
IOP Publishing	IOP Publishing, 461, 4.4% IOP Publishing 461 publications, 4.4%
American Physical Society (APS)	American Physical Society (APS), 365, 3.49% American Physical Society (APS) 365 publications, 3.49%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 123, 1.17% Institute of Electrical and Electronics Engineers (IEEE) 123 publications, 1.17%
Wiley	Wiley, 113, 1.08% Wiley 113 publications, 1.08%
AIP Publishing	AIP Publishing, 89, 0.85% AIP Publishing 89 publications, 0.85%
Optica Publishing Group	Optica Publishing Group, 83, 0.79% Optica Publishing Group 83 publications, 0.79%
American Association for the Advancement of Science (AAAS)	American Association for the Advancement of Science (AAAS), 73, 0.7% American Association for the Advancement of Science (AAAS) 73 publications, 0.7%
MDPI	MDPI, 50, 0.48% MDPI 50 publications, 0.48%
World Scientific	World Scientific, 32, 0.31% World Scientific 32 publications, 0.31%
Japan Society for Aeronautical and Space Sciences	Japan Society for Aeronautical and Space Sciences, 32, 0.31% Japan Society for Aeronautical and Space Sciences 32 publications, 0.31%
American Geophysical Union	American Geophysical Union, 24, 0.23% American Geophysical Union 24 publications, 0.23%
The Japan Society of Plasma Science and Nuclear Fusion Research (JSPF)	The Japan Society of Plasma Science and Nuclear Fusion Research (JSPF), 17, 0.16% The Japan Society of Plasma Science and Nuclear Fusion Research (JSPF) 17 publications, 0.16%
Taylor & Francis	Taylor & Francis, 12, 0.11% Taylor & Francis 12 publications, 0.11%
Pleiades Publishing	Pleiades Publishing, 12, 0.11% Pleiades Publishing 12 publications, 0.11%
Japan Academy	Japan Academy, 11, 0.11% Japan Academy 11 publications, 0.11%
The Laser Society of Japan	The Laser Society of Japan, 11, 0.11% The Laser Society of Japan 11 publications, 0.11%
Frontiers Media S.A.	Frontiers Media S.A., 9, 0.09% Frontiers Media S.A. 9 publications, 0.09%
Mary Ann Liebert	Mary Ann Liebert, 9, 0.09% Mary Ann Liebert 9 publications, 0.09%
Japan Society of Applied Physics	Japan Society of Applied Physics, 9, 0.09% Japan Society of Applied Physics 9 publications, 0.09%
Seismological Society of Japan	Seismological Society of Japan, 8, 0.08% Seismological Society of Japan 8 publications, 0.08%
Hindawi Limited	Hindawi Limited, 7, 0.07% Hindawi Limited 7 publications, 0.07%
American Chemical Society (ACS)	American Chemical Society (ACS), 6, 0.06% American Chemical Society (ACS) 6 publications, 0.06%
Japan Society of Mechanical Engineers	Japan Society of Mechanical Engineers, 6, 0.06% Japan Society of Mechanical Engineers 6 publications, 0.06%
	500 1000 1500 2000 2500 3000

With other organizations

	500 1000 1500 2000 2500 3000 3500 4000
University of Tokyo	University of Tokyo, 3572, 34.11% University of Tokyo 3572 publications, 34.11%
The Graduate University for Advanced Studies	The Graduate University for Advanced Studies, 1885, 18% The Graduate University for Advanced Studies 1885 publications, 18%
Kyoto University	Kyoto University, 1333, 12.73% Kyoto University 1333 publications, 12.73%
Nagoya University	Nagoya University, 1081, 10.32% Nagoya University 1081 publications, 10.32%
Japan Aerospace Exploration Agency	Japan Aerospace Exploration Agency, 1036, 9.89% Japan Aerospace Exploration Agency 1036 publications, 9.89%
Tohoku University	Tohoku University, 756, 7.22% Tohoku University 756 publications, 7.22%
Institute of Astronomy and Astrophysics, Academia Sinica	Institute of Astronomy and Astrophysics, Academia Sinica, 696, 6.65% Institute of Astronomy and Astrophysics, Academia Sinica 696 publications, 6.65%
California Institute of Technology	California Institute of Technology, 650, 6.21% California Institute of Technology 650 publications, 6.21%
Center for Astrophysics \| Harvard & Smithsonian	Center for Astrophysics \| Harvard & Smithsonian, 524, 5% Center for Astrophysics \| Harvard & Smithsonian 524 publications, 5%
National Institute for Astrophysics	National Institute for Astrophysics, 509, 4.86% National Institute for Astrophysics 509 publications, 4.86%
Tokyo Institute of Technology	Tokyo Institute of Technology, 505, 4.82% Tokyo Institute of Technology 505 publications, 4.82%
RIKEN-Institute of Physical and Chemical Research	RIKEN-Institute of Physical and Chemical Research, 444, 4.24% RIKEN-Institute of Physical and Chemical Research 444 publications, 4.24%
Korea Astronomy and Space Science Institute	Korea Astronomy and Space Science Institute, 402, 3.84% Korea Astronomy and Space Science Institute 402 publications, 3.84%
Max Planck Institute for Astronomy	Max Planck Institute for Astronomy, 400, 3.82% Max Planck Institute for Astronomy 400 publications, 3.82%
Kagoshima University	Kagoshima University, 395, 3.77% Kagoshima University 395 publications, 3.77%
National Radio Astronomy Observatory	National Radio Astronomy Observatory, 381, 3.64% National Radio Astronomy Observatory 381 publications, 3.64%
Instituto de Astrofísica de Canarias	Instituto de Astrofísica de Canarias, 362, 3.46% Instituto de Astrofísica de Canarias 362 publications, 3.46%
Goddard Space Flight Center	Goddard Space Flight Center, 362, 3.46% Goddard Space Flight Center 362 publications, 3.46%
Leiden University	Leiden University, 358, 3.42% Leiden University 358 publications, 3.42%
Hiroshima University	Hiroshima University, 358, 3.42% Hiroshima University 358 publications, 3.42%
Princeton University	Princeton University, 355, 3.39% Princeton University 355 publications, 3.39%
University of Arizona	University of Arizona, 355, 3.39% University of Arizona 355 publications, 3.39%
Hokkaido University	Hokkaido University, 353, 3.37% Hokkaido University 353 publications, 3.37%
Space Telescope Science Institute	Space Telescope Science Institute, 338, 3.23% Space Telescope Science Institute 338 publications, 3.23%
European Southern Observatory	European Southern Observatory, 336, 3.21% European Southern Observatory 336 publications, 3.21%
Osaka University	Osaka University, 334, 3.19% Osaka University 334 publications, 3.19%
Osaka Metropolitan University	Osaka Metropolitan University, 319, 3.05% Osaka Metropolitan University 319 publications, 3.05%
Jet Propulsion Laboratory	Jet Propulsion Laboratory, 294, 2.81% Jet Propulsion Laboratory 294 publications, 2.81%
University of Texas at Austin	University of Texas at Austin, 289, 2.76% University of Texas at Austin 289 publications, 2.76%
University of Tsukuba	University of Tsukuba, 287, 2.74% University of Tsukuba 287 publications, 2.74%
	500 1000 1500 2000 2500 3000 3500 4000

With foreign organizations

	100 200 300 400 500 600 700
Institute of Astronomy and Astrophysics, Academia Sinica	Institute of Astronomy and Astrophysics, Academia Sinica, 696, 6.65% Institute of Astronomy and Astrophysics, Academia Sinica 696 publications, 6.65%
California Institute of Technology	California Institute of Technology, 650, 6.21% California Institute of Technology 650 publications, 6.21%
Center for Astrophysics \| Harvard & Smithsonian	Center for Astrophysics \| Harvard & Smithsonian, 524, 5% Center for Astrophysics \| Harvard & Smithsonian 524 publications, 5%
National Institute for Astrophysics	National Institute for Astrophysics, 509, 4.86% National Institute for Astrophysics 509 publications, 4.86%
Korea Astronomy and Space Science Institute	Korea Astronomy and Space Science Institute, 402, 3.84% Korea Astronomy and Space Science Institute 402 publications, 3.84%
Max Planck Institute for Astronomy	Max Planck Institute for Astronomy, 400, 3.82% Max Planck Institute for Astronomy 400 publications, 3.82%
National Radio Astronomy Observatory	National Radio Astronomy Observatory, 381, 3.64% National Radio Astronomy Observatory 381 publications, 3.64%
Instituto de Astrofísica de Canarias	Instituto de Astrofísica de Canarias, 362, 3.46% Instituto de Astrofísica de Canarias 362 publications, 3.46%
Goddard Space Flight Center	Goddard Space Flight Center, 362, 3.46% Goddard Space Flight Center 362 publications, 3.46%
Leiden University	Leiden University, 358, 3.42% Leiden University 358 publications, 3.42%
Princeton University	Princeton University, 355, 3.39% Princeton University 355 publications, 3.39%
University of Arizona	University of Arizona, 355, 3.39% University of Arizona 355 publications, 3.39%
Space Telescope Science Institute	Space Telescope Science Institute, 338, 3.23% Space Telescope Science Institute 338 publications, 3.23%
European Southern Observatory	European Southern Observatory, 336, 3.21% European Southern Observatory 336 publications, 3.21%
Jet Propulsion Laboratory	Jet Propulsion Laboratory, 294, 2.81% Jet Propulsion Laboratory 294 publications, 2.81%
University of Texas at Austin	University of Texas at Austin, 289, 2.76% University of Texas at Austin 289 publications, 2.76%
Observatoire de Paris	Observatoire de Paris, 285, 2.72% Observatoire de Paris 285 publications, 2.72%
University of California, Berkeley	University of California, Berkeley, 279, 2.66% University of California, Berkeley 279 publications, 2.66%
Shanghai Astronomical Observatory, Chinese Academy of Sciences	Shanghai Astronomical Observatory, Chinese Academy of Sciences, 276, 2.64% Shanghai Astronomical Observatory, Chinese Academy of Sciences 276 publications, 2.64%
Sorbonne University	Sorbonne University, 275, 2.63% Sorbonne University 275 publications, 2.63%
Paris Cité University	Paris Cité University, 272, 2.6% Paris Cité University 272 publications, 2.6%
University College London	University College London, 271, 2.59% University College London 271 publications, 2.59%
University of La Laguna	University of La Laguna, 271, 2.59% University of La Laguna 271 publications, 2.59%
Massachusetts Institute of Technology	Massachusetts Institute of Technology, 264, 2.52% Massachusetts Institute of Technology 264 publications, 2.52%
National Astronomical Observatories, Chinese Academy of Sciences	National Astronomical Observatories, Chinese Academy of Sciences, 263, 2.51% National Astronomical Observatories, Chinese Academy of Sciences 263 publications, 2.51%
University of Hawaiʻi at Mānoa	University of Hawaiʻi at Mānoa, 256, 2.44% University of Hawaiʻi at Mānoa 256 publications, 2.44%
Seoul National University	Seoul National University, 250, 2.39% Seoul National University 250 publications, 2.39%
Max Planck Institute for Radio Astronomy	Max Planck Institute for Radio Astronomy, 247, 2.36% Max Planck Institute for Radio Astronomy 247 publications, 2.36%
Universidad de Chile	Universidad de Chile, 244, 2.33% Universidad de Chile 244 publications, 2.33%
Peking University	Peking University, 243, 2.32% Peking University 243 publications, 2.32%
	100 200 300 400 500 600 700

With other countries

	500 1000 1500 2000 2500 3000 3500 4000
USA	USA, 3758, 35.89% USA 3758 publications, 35.89%
Germany	Germany, 1344, 12.83% Germany 1344 publications, 12.83%
China	China, 1338, 12.78% China 1338 publications, 12.78%
United Kingdom	United Kingdom, 1327, 12.67% United Kingdom 1327 publications, 12.67%
France	France, 866, 8.27% France 866 publications, 8.27%
Italy	Italy, 721, 6.89% Italy 721 publications, 6.89%
Australia	Australia, 687, 6.56% Australia 687 publications, 6.56%
Republic of Korea	Republic of Korea, 640, 6.11% Republic of Korea 640 publications, 6.11%
Spain	Spain, 622, 5.94% Spain 622 publications, 5.94%
Chile	Chile, 551, 5.26% Chile 551 publications, 5.26%
Netherlands	Netherlands, 532, 5.08% Netherlands 532 publications, 5.08%
Canada	Canada, 451, 4.31% Canada 451 publications, 4.31%
Switzerland	Switzerland, 350, 3.34% Switzerland 350 publications, 3.34%
Sweden	Sweden, 288, 2.75% Sweden 288 publications, 2.75%
Russia	Russia, 269, 2.57% Russia 269 publications, 2.57%
India	India, 269, 2.57% India 269 publications, 2.57%
Denmark	Denmark, 238, 2.27% Denmark 238 publications, 2.27%
Mexico	Mexico, 218, 2.08% Mexico 218 publications, 2.08%
Belgium	Belgium, 173, 1.65% Belgium 173 publications, 1.65%
Poland	Poland, 162, 1.55% Poland 162 publications, 1.55%
South Africa	South Africa, 157, 1.5% South Africa 157 publications, 1.5%
Finland	Finland, 148, 1.41% Finland 148 publications, 1.41%
Hungary	Hungary, 109, 1.04% Hungary 109 publications, 1.04%
Brazil	Brazil, 100, 0.95% Brazil 100 publications, 0.95%
Israel	Israel, 83, 0.79% Israel 83 publications, 0.79%
Austria	Austria, 75, 0.72% Austria 75 publications, 0.72%
Czech Republic	Czech Republic, 75, 0.72% Czech Republic 75 publications, 0.72%
Norway	Norway, 72, 0.69% Norway 72 publications, 0.69%
Ireland	Ireland, 66, 0.63% Ireland 66 publications, 0.63%
	500 1000 1500 2000 2500 3000 3500 4000

We do not take into account publications without a DOI.
Statistics recalculated daily.
Publications published earlier than 1968 are ignored in the statistics.
The horizontal charts show the 30 top positions.
Journals quartiles values are relevant at the moment.