World's Best Scientists 2026 revealed!
Tohru Nagao

Tohru Nagao

D-Index & Metrics

Physics

D-Index
103
Citations
35365
World Ranking
1508
National Ranking
37

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.

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 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.

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.

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 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.

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

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