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Tohru Nagao

Tohru Nagao

Ehime University
Japan

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 103 1508 1430 37 35 482 35365

Tohru Nagao publications per year

The chart shows the history of publications by Tohru Nagao between 1985 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tohru Nagao published across 42 years, from 1985 to 2026, averaging 13.5 papers a year. Output peaked at 47 publications in 2018. 20 of the 565 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1985 to 2026. Vertical axis: number of publications, 0 to 47. Peak 47 publications in 2018. 1985: 1 publication 1986: 1 publication 1987: 4 publications 1988: 1 publication 1989: 2 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 1 publication 2000: 8 publications 2001: 6 publications 2002: 10 publications 2003: 16 publications 2004: 13 publications 2005: 15 publications 2006: 17 publications 2007: 21 publications 2008: 18 publications 2009: 23 publications 2010: 5 publications 2011: 22 publications 2012: 25 publications 2013: 15 publications 2014: 14 publications 2015: 20 publications 2016: 23 publications 2017: 42 publications 2018: 47 publications 2019: 37 publications 2020: 27 publications 2021: 35 publications 2022: 22 publications 2023: 24 publications 2024: 30 publications 2025: 19 publications 2026: 1 publication
1985 2026

565 publications in total across all disciplines

View publications per year as a table
Tohru Nagao: publications per year, 1985 to 2026
Year Publications
1985 1
1986 1
1987 4
1988 1
1989 2
1990 0
1991 0
1992 0
1993 0
1994 0
1995 0
1996 0
1997 0
1998 0
1999 1
2000 8
2001 6
2002 10
2003 16
2004 13
2005 15
2006 17
2007 21
2008 18
2009 23
2010 5
2011 22
2012 25
2013 15
2014 14
2015 20
2016 23
2017 42
2018 47
2019 37
2020 27
2021 35
2022 22
2023 24
2024 30
2025 19
2026 1
Total 565
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Tohru Nagao publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Tohru Nagao sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 70 bars. Horizontal axis: publications, 103–122 to 1,469+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 323–342 publications. The last bar groups every scientist with 1,469 publications or more. The highlighted bar, 463–482 publications, is where this scientist sits. 103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103–122 publications 1,469+

This scientist: 482 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

View publications distribution as a table
Number of Physics scientists by publication count, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
Publications Scientists This scientist
103–122 7
123–142 10
143–162 31
163–182 35
183–202 53
203–222 81
223–242 85
243–262 112
263–282 114
283–302 126
303–322 136
323–342 162
343–362 155
363–382 156
383–402 134
403–422 145
423–442 147
443–462 131
463–482 131 482
483–502 116
503–522 106
523–542 103
543–562 87
563–582 84
583–602 94
603–622 70
623–642 76
643–662 60
663–682 54
683–702 60
703–722 48
723–742 64
743–762 48
763–782 37
783–802 43
803–822 34
823–842 36
843–862 32
863–882 32
883–902 31
903–922 25
923–942 15
943–962 24
963–982 13
983–1,002 21
1,003–1,022 21
1,023–1,042 16
1,043–1,062 9
1,063–1,082 19
1,083–1,102 11
1,103–1,122 17
1,123–1,142 11
1,143–1,162 7
1,163–1,182 4
1,183–1,202 10
1,203–1,222 8
1,223–1,242 16
1,243–1,262 4
1,263–1,282 10
1,283–1,302 5
1,303–1,322 7
1,323–1,342 4
1,343–1,362 8
1,363–1,382 6
1,383–1,402 7
1,403–1,422 3
1,423–1,442 4
1,443–1,462 4
1,463–1,468 3
1,469+ 100
Download as CSV

Tohru Nagao D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Tohru Nagao sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 59 bars. Horizontal axis: D-Index, 70–71 to 185+. Vertical axis: number of scientists, 0 to 167. Most scientists, 167, have 80–81 D-Index. The last bar groups every scientist with 185 D-Index or more. The highlighted bar, 102–103 D-Index, is where this scientist sits. 70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70–71 D-Index 185+

This scientist: 103 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

View D-Index distribution as a table
Number of Physics scientists by D-index, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
D-Index Scientists This scientist
70–71 76
72–73 110
74–75 143
76–77 153
78–79 144
80–81 167
82–83 167
84–85 166
86–87 132
88–89 155
90–91 134
92–93 137
94–95 102
96–97 112
98–99 110
100–101 116
102–103 97 103
104–105 103
106–107 87
108–109 90
110–111 67
112–113 78
114–115 75
116–117 67
118–119 69
120–121 60
122–123 59
124–125 53
126–127 42
128–129 41
130–131 33
132–133 32
134–135 45
136–137 19
138–139 24
140–141 28
142–143 31
144–145 22
146–147 20
148–149 12
150–151 16
152–153 24
154–155 23
156–157 15
158–159 15
160–161 11
162–163 17
164–165 12
166–167 11
168–169 9
170–171 9
172–173 11
174–175 4
176–177 8
178–179 5
180–181 3
182–183 4
184 4
185+ 99
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Overview

Tohru Nagao is affiliated with Ehime University in Japan and has a research focus within the fields of Physics and Astronomy. Their work has contributed substantially to the subfields of Astronomy and Astrophysics, Instrumentation, Nuclear and High Energy Physics, General Health Professions, and Statistical and Nonlinear Physics.

Their research topics cover a broad spectrum including:

  • Galaxies: Formation, Evolution, Phenomena
  • Astronomy and Astrophysical Research
  • Astrophysical Phenomena and Observations
  • Gamma-ray bursts and supernovae
  • Stellar, planetary, and galactic studies
  • Astrophysics and Star Formation Studies
  • Astrophysics and Cosmic Phenomena

Tohru Nagao's publication record includes a strong presence in several scientific venues, notably:

  • arXiv (Cornell University)
  • The Astrophysical Journal
  • Astronomy and Astrophysics
  • Publications of the Astronomical Society of Japan
  • The Astrophysical Journal Supplement Series

Frequent collaborators include:

  • Yoshiki Toba
  • Yoshiki Matsuoka
  • Masatoshi Imanishi
  • Toshihiro Kawaguchi
  • Kotaro Kohno

Among recent papers associated with the broader research context related to their work are:

  • Large Population of ALMA Galaxies at z > 6 with Very High [O iii] 88 μm to [C ii] 158 μm Flux Ratios: Evidence of Extremely High Ionization Parameter or PDR Deficit?, 2020, The Astrophysical Journal
  • The HI content of star-forming galaxies at z = 0.24, 2024, OPAL (Open@LaTrobe) (La Trobe University)
  • The eROSITA Final Equatorial-Depth Survey (eFEDS), 2022, Astronomy and Astrophysics
  • Detection of stellar light from quasar host galaxies at redshifts above 6, 2023, Nature
  • EMPRESS. VIII. A New Determination of Primordial He Abundance with Extremely Metal-poor Galaxies: A Suggestion of the Lepton Asymmetry and Implications for the Hubble Tension, 2022, The Astrophysical Journal

Best Publications

  • The First Release COSMOS Optical and Near-IR Data and Catalog

    P. Capak;H. Aussel;M. Ajiki;H. J. McCracken

  • AMAZE - I. The evolution of the mass–metallicity relation at z $>$ 3

    R. Maiolino;T. Nagao;A. Grazian;F. Cocchia

  • The First Release COSMOS Optical and Near-IR Data and Catalog

    P. Capak;H. Aussel;H. Aussel;M. Ajiki;H. J. McCracken;H. J. McCracken

  • The Hyper Suprime-Cam SSP Survey: Overview and Survey Design

    H. Aihara;N. Arimoto;R. Armstrong;S. Arnouts

  • Extragalactic Science, Cosmology and Galactic Archaeology with the Subaru Prime Focus Spectrograph (PFS)

    Masahiro Takada;Richard Ellis;Masashi Chiba;Jenny E. Greene

  • The Hyper Suprime-Cam SSP Survey: Overview and survey design

    Hiroaki Aihara;Nobuo Arimoto;Nobuo Arimoto;Robert Armstrong;Stéphane Arnouts

  • The End of the Reionization Epoch Probed by Lyα Emitters at z = 6.5 in the Subaru Deep Field* **

    Nobunari Kashikawa;Kazuhiro Shimasaku;Matthew A. Malkan;Mamoru Doi

  • A Subaru Search for Ly-alpha Blobs in and around the Proto-cluster Region at Redshift z=3.1

    Y. Matsuda;T. Yamada;T. Hayashino;H. Tamura

  • Ly Alpha Emitters at z=5.7 in the Subaru Deep Field

    K. Shimasaku;N. Kashikawa;M. Doi;C. Ly

  • Extragalactic science, cosmology, and Galactic archaeology with the Subaru Prime Focus Spectrograph

    Masahiro Takada;Richard S. Ellis;Masashi Chiba;Jenny E. Greene

  • A Subaru Search for Lyα Blobs in and around the Protocluster Region At Redshift z = 3.1

    Yuichi Matsuda;Toru Yamada;Tomoki Hayashino;Hajime Tamura

  • First data release of the Hyper Suprime-Cam Subaru Strategic Program

    Hiroaki Aihara;Robert Armstrong;Steven Bickerton;James Bosch

  • Lyα Emitters at z = 5.7 in the Subaru Deep Field

    Kazuhiro Shimasaku;Nobunari Kashikawa;Mamoru Doi;Chun Ly

  • The Cosmic Evolution Survey (COSMOS): Subaru observations of the HST cosmos field

    Y. Taniguchi;N. Scoville;N. Scoville;T. Murayama;D. B. Sanders

  • Completing the Census of Ly-alpha Emitters at the Reionization Epoch

    Nobunari Kashikawa;Kazuhiro Shimasaku;Yuichi Matsuda;Eiichi Egami

  • Gas metallicity diagnostics in star-forming galaxies

    Tohru Nagao;Roberto Maiolino;Alessandro Marconi

  • The SUBARU Deep Field Project: Lymanα Emitters at a Redshift of 6.6

    Yoshiaki Taniguchi;Masaru Ajiki;Tohru Nagao;Tohru Nagao;Yasuhiro Shioya

  • First detection of [CII]158 μm at high redshift : vigorous star formation in the early universe

    R. Maiolino;P. Cox;P. Caselli;A. Beelen

  • COMPLETING THE CENSUS OF Lyα EMITTERS AT THE REIONIZATION EPOCH

    Nobunari Kashikawa;Kazuhiro Shimasaku;Yuichi Matsuda;Eiichi Egami

  • Dissecting photometric redshift for active galactic nucleus using XMM- and Chandra-COSMOS samples

    M. Salvato;O. Ilbert;G. Hasinger;G. Hasinger;A. Rau

Frequent Co-Authors

Nobunari Kashikawa
Nobunari Kashikawa University of Tokyo
Masami Ouchi
Masami Ouchi University of Tokyo
Roberto Maiolino
Roberto Maiolino University of Cambridge
Masatoshi Imanishi
Masatoshi Imanishi The Graduate University for Advanced Studies, SOKENDAI
Masayuki Akiyama
Masayuki Akiyama Tohoku University
Kazuhiro Shimasaku
Kazuhiro Shimasaku University of Tokyo
Alessandro Marconi
Alessandro Marconi University of Florence
Satoshi Miyazaki
Satoshi Miyazaki The Graduate University for Advanced Studies, SOKENDAI
Peter Capak
Peter Capak California Institute of Technology
John D. Silverman
John D. Silverman University of Tokyo

External Links

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Best Scientists Citing Tohru Nagao

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Publications: 278

Mara Salvato

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Publications: 260

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Publications: 257

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Publications: 215

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Publications: 200

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Publications: 191

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Publications: 188

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Xiaohui Fan

University of Arizona

Publications: 175

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Publications: 173

Masami Ouchi

Masami Ouchi

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Publications: 171

H. J. McCracken

H. J. McCracken

Institut d'Astrophysique de Paris

Publications: 162

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École Polytechnique Fédérale de Lausanne

Publications: 146

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Emanuele Daddi

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Publications: 145

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Alvio Renzini

National Institute for Astrophysics

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Research Institute in Astrophysics and Planetology

Publications: 142

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