National Astronomical Observatory of Japan

National Astronomical Observatory of Japan
Short name
NAOJ
Country, city
Japan, Mitaka-shi
Publications
9 068
Citations
275 811
h-index
192
Top-3 organizations
Tokyo University of Science
Tokyo University of Science (1466 publications)
Kyoto University
Kyoto University (1192 publications)
Top-3 foreign organizations
from chars
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Publications found: 0

Since 1968

Total publications
9065
Total citations
275816
Citations per publication
30.43
Average publications per year
159.04
Average authors per publication
13.18
h-index
192
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, 6565, 72.42%
Astronomy and Astrophysics
6565 publications, 72.42%
Space and Planetary Science, 6546, 72.21%
Space and Planetary Science
6546 publications, 72.21%
Geophysics, 290, 3.2%
Geophysics
290 publications, 3.2%
General Physics and Astronomy, 271, 2.99%
General Physics and Astronomy
271 publications, 2.99%
Nuclear and High Energy Physics, 231, 2.55%
Nuclear and High Energy Physics
231 publications, 2.55%
General Earth and Planetary Sciences, 215, 2.37%
General Earth and Planetary Sciences
215 publications, 2.37%
Electrical and Electronic Engineering, 201, 2.22%
Electrical and Electronic Engineering
201 publications, 2.22%
Condensed Matter Physics, 190, 2.1%
Condensed Matter Physics
190 publications, 2.1%
Atmospheric Science, 181, 2%
Atmospheric Science
181 publications, 2%
Aerospace Engineering, 170, 1.88%
Aerospace Engineering
170 publications, 1.88%
Atomic and Molecular Physics, and Optics, 162, 1.79%
Atomic and Molecular Physics, and Optics
162 publications, 1.79%
Multidisciplinary, 161, 1.78%
Multidisciplinary
161 publications, 1.78%
Physics and Astronomy (miscellaneous), 138, 1.52%
Physics and Astronomy (miscellaneous)
138 publications, 1.52%
Electronic, Optical and Magnetic Materials, 110, 1.21%
Electronic, Optical and Magnetic Materials
110 publications, 1.21%
Instrumentation, 107, 1.18%
Instrumentation
107 publications, 1.18%
Mathematical Physics, 96, 1.06%
Mathematical Physics
96 publications, 1.06%
Applied Mathematics, 96, 1.06%
Applied Mathematics
96 publications, 1.06%
Computational Mathematics, 86, 0.95%
Computational Mathematics
86 publications, 0.95%
Radiation, 68, 0.75%
Radiation
68 publications, 0.75%
Modeling and Simulation, 68, 0.75%
Modeling and Simulation
68 publications, 0.75%
Geology, 67, 0.74%
Geology
67 publications, 0.74%
General Materials Science, 64, 0.71%
General Materials Science
64 publications, 0.71%
Geochemistry and Petrology, 59, 0.65%
Geochemistry and Petrology
59 publications, 0.65%
General Engineering, 49, 0.54%
General Engineering
49 publications, 0.54%
Earth and Planetary Sciences (miscellaneous), 48, 0.53%
Earth and Planetary Sciences (miscellaneous)
48 publications, 0.53%
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
2083 publications, 22.98%
Publication of the Astronomical Society of Japan
1256 publications, 13.86%
Monthly Notices of the Royal Astronomical Society
882 publications, 9.73%
Proceedings of SPIE - The International Society for Optical Engineering
532 publications, 5.87%
Proceedings of the International Astronomical Union
432 publications, 4.77%
Astronomy and Astrophysics
319 publications, 3.52%
Astrophysical Journal Letters
280 publications, 3.09%
Astronomical Journal
232 publications, 2.56%
Physical Review D
205 publications, 2.26%
Advances in Space Research
158 publications, 1.74%
Solar Physics
141 publications, 1.56%
Astrophysical Journal, Supplement Series
120 publications, 1.32%
Astrophysics and Space Science Library
105 publications, 1.16%
Journal of Physics: Conference Series
103 publications, 1.14%
Nature
70 publications, 0.77%
Monthly Notices of the Royal Astronomical Society: Letters
69 publications, 0.76%
Physical Review C
68 publications, 0.75%
Celestial Mechanics and Dynamical Astronomy
66 publications, 0.73%
Astrophysics and Space Science
65 publications, 0.72%
Earth, Planets and Space
65 publications, 0.72%
Science
60 publications, 0.66%
Nature Astronomy
60 publications, 0.66%
Journal of Low Temperature Physics
53 publications, 0.58%
IEEE Transactions on Applied Superconductivity
45 publications, 0.5%
Classical and Quantum Gravity
45 publications, 0.5%
Progress of Theoretical Physics
45 publications, 0.5%
Red Giants as Probes of the Structure and Evolution of the Milky Way
45 publications, 0.5%
Icarus
44 publications, 0.49%
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
2520 publications, 27.8%
Oxford University Press
2314 publications, 25.53%
Springer Nature
928 publications, 10.24%
SPIE
565 publications, 6.23%
Cambridge University Press
460 publications, 5.07%
Elsevier
453 publications, 5%
IOP Publishing
452 publications, 4.99%
EDP Sciences
373 publications, 4.11%
American Physical Society (APS)
316 publications, 3.49%
IEEE
116 publications, 1.28%
Wiley
111 publications, 1.22%
American Institute of Physics (AIP)
87 publications, 0.96%
Optical Society of America
76 publications, 0.84%
American Association for the Advancement of Science (AAAS)
69 publications, 0.76%
Multidisciplinary Digital Publishing Institute (MDPI)
40 publications, 0.44%
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%
Maruzen Co., Ltd/Maruzen Kabushikikaisha
6 publications, 0.07%
Hindawi Limited
6 publications, 0.07%
American Chemical Society (ACS)
5 publications, 0.06%
The Japan Society of Plasma Science and Nuclear Fusion Research (JSPF)
5 publications, 0.06%
Science in China Press
5 publications, 0.06%
Chinese Laser Press
5 publications, 0.06%
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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3000

With other organizations

200
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600
800
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1600
The Graduate University for Advanced Studies
1501 publications, 16.56%
Tokyo University of Science
1466 publications, 16.17%
Kyoto University
1192 publications, 13.15%
Nagoya University
968 publications, 10.68%
Japan Aerospace Exploration Agency
958 publications, 10.57%
Tohoku University
660 publications, 7.28%
California Institute of Technology
514 publications, 5.67%
Tokyo Institute of Technology
469 publications, 5.17%
Center for Astrophysics | Harvard & Smithsonian
390 publications, 4.3%
National Institute for Astrophysics
366 publications, 4.04%
Hokkaido University
335 publications, 3.7%
Korea Astronomy and Space Science Institute
334 publications, 3.68%
Osaka University
302 publications, 3.33%
Princeton University
293 publications, 3.23%
Max Planck Institute for Astronomy
287 publications, 3.17%
University of Arizona
275 publications, 3.03%
University of Tsukuba
257 publications, 2.84%
European Southern Observatory
247 publications, 2.72%
University of California, Berkeley
244 publications, 2.69%
Jet Propulsion Laboratory
242 publications, 2.67%
Leiden University
240 publications, 2.65%
Waseda University
220 publications, 2.43%
Seoul National University
206 publications, 2.27%
University of Texas at Austin
204 publications, 2.25%
Kobe University
203 publications, 2.24%
Shanghai Astronomical Observatory, Chinese Academy of Sciences
203 publications, 2.24%
Paris Cité University
197 publications, 2.17%
Ibaraki University
195 publications, 2.15%
National Astronomical Observatories, Chinese Academy of Sciences
194 publications, 2.14%
University College London
193 publications, 2.13%
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1000
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1600

With foreign organizations

100
200
300
400
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600
California Institute of Technology
514 publications, 5.67%
Center for Astrophysics | Harvard & Smithsonian
390 publications, 4.3%
National Institute for Astrophysics
366 publications, 4.04%
Korea Astronomy and Space Science Institute
334 publications, 3.68%
Princeton University
293 publications, 3.23%
Max Planck Institute for Astronomy
287 publications, 3.17%
University of Arizona
275 publications, 3.03%
European Southern Observatory
247 publications, 2.72%
University of California, Berkeley
244 publications, 2.69%
Jet Propulsion Laboratory
242 publications, 2.67%
Leiden University
240 publications, 2.65%
Seoul National University
206 publications, 2.27%
University of Texas at Austin
204 publications, 2.25%
Shanghai Astronomical Observatory, Chinese Academy of Sciences
203 publications, 2.24%
Paris Cité University
197 publications, 2.17%
National Astronomical Observatories, Chinese Academy of Sciences
194 publications, 2.14%
University College London
193 publications, 2.13%
Massachusetts Institute of Technology
178 publications, 1.96%
Sorbonne University
174 publications, 1.92%
Australian National University
162 publications, 1.79%
Purple Mountain Observatory, Chinese Academy of Sciences
152 publications, 1.68%
Durham University
151 publications, 1.67%
Peking University
150 publications, 1.65%
Max Planck Institute for Radio Astronomy
149 publications, 1.64%
University of Oxford
148 publications, 1.63%
University of Notre Dame
145 publications, 1.6%
University of Cambridge
143 publications, 1.58%
Max Planck Institute for Extraterrestrial Physics
141 publications, 1.56%
Liverpool John Moores University
135 publications, 1.49%
University of Copenhagen
135 publications, 1.49%
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600

With other countries

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4000
USA, 3594, 39.65%
USA
3594 publications, 39.65%
Germany, 1289, 14.22%
Germany
1289 publications, 14.22%
China, 1261, 13.91%
China
1261 publications, 13.91%
United Kingdom, 1242, 13.7%
United Kingdom
1242 publications, 13.7%
France, 828, 9.13%
France
828 publications, 9.13%
Italy, 682, 7.52%
Italy
682 publications, 7.52%
Australia, 645, 7.12%
Australia
645 publications, 7.12%
Republic of Korea, 617, 6.81%
Republic of Korea
617 publications, 6.81%
Spain, 590, 6.51%
Spain
590 publications, 6.51%
Chile, 521, 5.75%
Chile
521 publications, 5.75%
Netherlands, 506, 5.58%
Netherlands
506 publications, 5.58%
Canada, 426, 4.7%
Canada
426 publications, 4.7%
Switzerland, 332, 3.66%
Switzerland
332 publications, 3.66%
Sweden, 278, 3.07%
Sweden
278 publications, 3.07%
Russia, 251, 2.77%
Russia
251 publications, 2.77%
India, 242, 2.67%
India
242 publications, 2.67%
Denmark, 222, 2.45%
Denmark
222 publications, 2.45%
Mexico, 211, 2.33%
Mexico
211 publications, 2.33%
Belgium, 159, 1.75%
Belgium
159 publications, 1.75%
Poland, 152, 1.68%
Poland
152 publications, 1.68%
South Africa, 144, 1.59%
South Africa
144 publications, 1.59%
Finland, 139, 1.53%
Finland
139 publications, 1.53%
Hungary, 101, 1.11%
Hungary
101 publications, 1.11%
Brazil, 91, 1%
Brazil
91 publications, 1%
Israel, 77, 0.85%
Israel
77 publications, 0.85%
Czech Republic, 73, 0.81%
Czech Republic
73 publications, 0.81%
Austria, 72, 0.79%
Austria
72 publications, 0.79%
Norway, 67, 0.74%
Norway
67 publications, 0.74%
Ireland, 61, 0.67%
Ireland
61 publications, 0.67%
Portugal, 58, 0.64%
Portugal
58 publications, 0.64%
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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.