National Astronomical Observatory of Japan

National Astronomical Observatory of Japan
Short name
NAOJ
Country, city
Japan, Mitaka-shi
Publications
9 173
Citations
280 699
h-index
195
Top-3 organizations
University of Tokyo
University of Tokyo (3168 publications)
Kyoto University
Kyoto University (1202 publications)
Top-3 foreign organizations
from chars
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Publications found: 0

Since 1968

Total publications
9173
Total citations
280698
Citations per publication
30.6
Average publications per year
160.93
Average authors per publication
13.42
h-index
195
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.

Top-30

Fields of science

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7000
Astronomy and Astrophysics, 6568, 71.6%
Astronomy and Astrophysics
6568 publications, 71.6%
Space and Planetary Science, 6549, 71.39%
Space and Planetary Science
6549 publications, 71.39%
Geophysics, 290, 3.16%
Geophysics
290 publications, 3.16%
General Physics and Astronomy, 271, 2.95%
General Physics and Astronomy
271 publications, 2.95%
Nuclear and High Energy Physics, 231, 2.52%
Nuclear and High Energy Physics
231 publications, 2.52%
General Earth and Planetary Sciences, 215, 2.34%
General Earth and Planetary Sciences
215 publications, 2.34%
Electrical and Electronic Engineering, 201, 2.19%
Electrical and Electronic Engineering
201 publications, 2.19%
Condensed Matter Physics, 190, 2.07%
Condensed Matter Physics
190 publications, 2.07%
Atmospheric Science, 181, 1.97%
Atmospheric Science
181 publications, 1.97%
Aerospace Engineering, 170, 1.85%
Aerospace Engineering
170 publications, 1.85%
Atomic and Molecular Physics, and Optics, 162, 1.77%
Atomic and Molecular Physics, and Optics
162 publications, 1.77%
Multidisciplinary, 161, 1.76%
Multidisciplinary
161 publications, 1.76%
Physics and Astronomy (miscellaneous), 138, 1.5%
Physics and Astronomy (miscellaneous)
138 publications, 1.5%
Electronic, Optical and Magnetic Materials, 110, 1.2%
Electronic, Optical and Magnetic Materials
110 publications, 1.2%
Instrumentation, 107, 1.17%
Instrumentation
107 publications, 1.17%
Mathematical Physics, 96, 1.05%
Mathematical Physics
96 publications, 1.05%
Applied Mathematics, 96, 1.05%
Applied Mathematics
96 publications, 1.05%
Computational Mathematics, 86, 0.94%
Computational Mathematics
86 publications, 0.94%
Radiation, 68, 0.74%
Radiation
68 publications, 0.74%
Modeling and Simulation, 68, 0.74%
Modeling and Simulation
68 publications, 0.74%
Geology, 67, 0.73%
Geology
67 publications, 0.73%
General Materials Science, 64, 0.7%
General Materials Science
64 publications, 0.7%
Geochemistry and Petrology, 59, 0.64%
Geochemistry and Petrology
59 publications, 0.64%
General Engineering, 49, 0.53%
General Engineering
49 publications, 0.53%
Earth and Planetary Sciences (miscellaneous), 48, 0.52%
Earth and Planetary Sciences (miscellaneous)
48 publications, 0.52%
General Medicine, 40, 0.44%
General Medicine
40 publications, 0.44%
Mechanical Engineering, 32, 0.35%
Mechanical Engineering
32 publications, 0.35%
Control and Systems Engineering, 28, 0.31%
Control and Systems Engineering
28 publications, 0.31%
Earth-Surface Processes, 23, 0.25%
Earth-Surface Processes
23 publications, 0.25%
Statistical and Nonlinear Physics, 21, 0.23%
Statistical and Nonlinear Physics
21 publications, 0.23%
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7000

Journals

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Astrophysical Journal
2127 publications, 23.19%
Publication of the Astronomical Society of Japan
1261 publications, 13.75%
Monthly Notices of the Royal Astronomical Society
893 publications, 9.74%
Proceedings of SPIE - The International Society for Optical Engineering
532 publications, 5.8%
Proceedings of the International Astronomical Union
432 publications, 4.71%
Astronomy and Astrophysics
319 publications, 3.48%
Astrophysical Journal Letters
289 publications, 3.15%
Astronomical Journal
238 publications, 2.59%
Physical Review D
208 publications, 2.27%
Advances in Space Research
158 publications, 1.72%
Solar Physics
141 publications, 1.54%
Astrophysical Journal, Supplement Series
121 publications, 1.32%
Astrophysics and Space Science Library
105 publications, 1.14%
Journal of Physics: Conference Series
103 publications, 1.12%
Nature
73 publications, 0.8%
Monthly Notices of the Royal Astronomical Society: Letters
69 publications, 0.75%
Physical Review C
68 publications, 0.74%
Earth, Planets and Space
66 publications, 0.72%
Celestial Mechanics and Dynamical Astronomy
66 publications, 0.72%
Astrophysics and Space Science
65 publications, 0.71%
Nature Astronomy
63 publications, 0.69%
Science
61 publications, 0.66%
Journal of Low Temperature Physics
58 publications, 0.63%
IEEE Transactions on Applied Superconductivity
45 publications, 0.49%
Classical and Quantum Gravity
45 publications, 0.49%
Progress of Theoretical Physics
45 publications, 0.49%
Red Giants as Probes of the Structure and Evolution of the Milky Way
45 publications, 0.49%
Icarus
44 publications, 0.48%
Applied Optics
43 publications, 0.47%
Publications of the Astronomical Society of the Pacific
42 publications, 0.46%
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1000
1500
2000
2500

Publishers

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3000
American Astronomical Society
2579 publications, 28.12%
Oxford University Press
2332 publications, 25.42%
Springer Nature
946 publications, 10.31%
SPIE-Intl Soc Optical Eng
565 publications, 6.16%
Cambridge University Press
460 publications, 5.01%
IOP Publishing
456 publications, 4.97%
Elsevier
453 publications, 4.94%
EDP Sciences
373 publications, 4.07%
American Physical Society (APS)
320 publications, 3.49%
Institute of Electrical and Electronics Engineers (IEEE)
117 publications, 1.28%
Wiley
111 publications, 1.21%
AIP Publishing
88 publications, 0.96%
Optica Publishing Group
77 publications, 0.84%
American Association for the Advancement of Science (AAAS)
70 publications, 0.76%
MDPI
41 publications, 0.45%
World Scientific
31 publications, 0.34%
American Geophysical Union
22 publications, 0.24%
Taylor & Francis
12 publications, 0.13%
Pleiades Publishing
11 publications, 0.12%
Japan Society of Applied Physics
9 publications, 0.1%
Frontiers Media S.A.
7 publications, 0.08%
Mary Ann Liebert
7 publications, 0.08%
6 publications, 0.07%
Hindawi Limited
6 publications, 0.07%
American Chemical Society (ACS)
5 publications, 0.05%
The Japan Society of Plasma Science and Nuclear Fusion Research (JSPF)
5 publications, 0.05%
Science in China Press
5 publications, 0.05%
Shanghai Institute of Optics and Fine Mechanics
5 publications, 0.05%
Japan Academy
4 publications, 0.04%
Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications)
4 publications, 0.04%
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1500
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2500
3000

With other organizations

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3500
University of Tokyo
3168 publications, 34.54%
The Graduate University for Advanced Studies
1550 publications, 16.9%
Kyoto University
1202 publications, 13.1%
Nagoya University
983 publications, 10.72%
Japan Aerospace Exploration Agency
965 publications, 10.52%
Tohoku University
674 publications, 7.35%
California Institute of Technology
531 publications, 5.79%
Tokyo Institute of Technology
477 publications, 5.2%
Center for Astrophysics | Harvard & Smithsonian
400 publications, 4.36%
RIKEN-Institute of Physical and Chemical Research
381 publications, 4.15%
National Institute for Astrophysics
377 publications, 4.11%
Kagoshima University
371 publications, 4.04%
Korea Astronomy and Space Science Institute
342 publications, 3.73%
Hokkaido University
336 publications, 3.66%
Hiroshima University
310 publications, 3.38%
Osaka University
302 publications, 3.29%
Princeton University
299 publications, 3.26%
Osaka Metropolitan University
296 publications, 3.23%
Max Planck Institute for Astronomy
293 publications, 3.19%
University of Arizona
284 publications, 3.1%
University of Tsukuba
263 publications, 2.87%
Jet Propulsion Laboratory
252 publications, 2.75%
European Southern Observatory
252 publications, 2.75%
University of California, Berkeley
248 publications, 2.7%
Leiden University
246 publications, 2.68%
Waseda University
227 publications, 2.47%
Ehime University
215 publications, 2.34%
University of Texas at Austin
212 publications, 2.31%
Seoul National University
210 publications, 2.29%
Shanghai Astronomical Observatory, Chinese Academy of Sciences
208 publications, 2.27%
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2500
3000
3500

With foreign organizations

100
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400
500
600
California Institute of Technology
531 publications, 5.79%
Center for Astrophysics | Harvard & Smithsonian
400 publications, 4.36%
National Institute for Astrophysics
377 publications, 4.11%
Korea Astronomy and Space Science Institute
342 publications, 3.73%
Princeton University
299 publications, 3.26%
Max Planck Institute for Astronomy
293 publications, 3.19%
University of Arizona
284 publications, 3.1%
Jet Propulsion Laboratory
252 publications, 2.75%
European Southern Observatory
252 publications, 2.75%
University of California, Berkeley
248 publications, 2.7%
Leiden University
246 publications, 2.68%
University of Texas at Austin
212 publications, 2.31%
Seoul National University
210 publications, 2.29%
Shanghai Astronomical Observatory, Chinese Academy of Sciences
208 publications, 2.27%
Paris Cité University
204 publications, 2.22%
National Astronomical Observatories, Chinese Academy of Sciences
201 publications, 2.19%
University College London
198 publications, 2.16%
Massachusetts Institute of Technology
187 publications, 2.04%
University of La Laguna
187 publications, 2.04%
Max Planck Institute for Radio Astronomy
186 publications, 2.03%
Sorbonne University
182 publications, 1.98%
Australian National University
165 publications, 1.8%
Peking University
162 publications, 1.77%
Durham University
155 publications, 1.69%
Purple Mountain Observatory, Chinese Academy of Sciences
153 publications, 1.67%
University of Oxford
152 publications, 1.66%
University of Notre Dame
151 publications, 1.65%
University of Cambridge
148 publications, 1.61%
Max Planck Institute for Extraterrestrial Physics
147 publications, 1.6%
University of Copenhagen
142 publications, 1.55%
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600

With other countries

500
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3500
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USA, 3639, 39.67%
USA
3639 publications, 39.67%
Germany, 1313, 14.31%
Germany
1313 publications, 14.31%
China, 1281, 13.96%
China
1281 publications, 13.96%
United Kingdom, 1270, 13.84%
United Kingdom
1270 publications, 13.84%
France, 839, 9.15%
France
839 publications, 9.15%
Italy, 695, 7.58%
Italy
695 publications, 7.58%
Australia, 656, 7.15%
Australia
656 publications, 7.15%
Republic of Korea, 625, 6.81%
Republic of Korea
625 publications, 6.81%
Spain, 602, 6.56%
Spain
602 publications, 6.56%
Chile, 532, 5.8%
Chile
532 publications, 5.8%
Netherlands, 516, 5.63%
Netherlands
516 publications, 5.63%
Canada, 442, 4.82%
Canada
442 publications, 4.82%
Switzerland, 342, 3.73%
Switzerland
342 publications, 3.73%
Sweden, 284, 3.1%
Sweden
284 publications, 3.1%
Russia, 255, 2.78%
Russia
255 publications, 2.78%
India, 249, 2.71%
India
249 publications, 2.71%
Denmark, 231, 2.52%
Denmark
231 publications, 2.52%
Mexico, 214, 2.33%
Mexico
214 publications, 2.33%
Belgium, 167, 1.82%
Belgium
167 publications, 1.82%
Poland, 159, 1.73%
Poland
159 publications, 1.73%
South Africa, 149, 1.62%
South Africa
149 publications, 1.62%
Finland, 143, 1.56%
Finland
143 publications, 1.56%
Hungary, 103, 1.12%
Hungary
103 publications, 1.12%
Brazil, 94, 1.02%
Brazil
94 publications, 1.02%
Israel, 81, 0.88%
Israel
81 publications, 0.88%
Austria, 74, 0.81%
Austria
74 publications, 0.81%
Czech Republic, 73, 0.8%
Czech Republic
73 publications, 0.8%
Norway, 69, 0.75%
Norway
69 publications, 0.75%
Ireland, 62, 0.68%
Ireland
62 publications, 0.68%
Portugal, 58, 0.63%
Portugal
58 publications, 0.63%
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  • 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.