World's Best Scientists 2026 revealed!
Nobunari Kashikawa

Nobunari Kashikawa

D-Index & Metrics

Physics

D-Index
106
Citations
38743
World Ranking
1337
National Ranking
30

Nobunari Kashikawa 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 Nobunari Kashikawa 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: 424 publications — 42nd percentile

42% of scientists in this discipline score the same or lower.

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

Nobunari Kashikawa 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 Nobunari Kashikawa 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: 106 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Overview

Nobunari Kashikawa is affiliated with the University of Tokyo in Japan and has made extensive contributions in the field of Physics and Astronomy. Their research primarily focuses on Astronomy and Astrophysics, covering various specialized subfields such as Instrumentation, Nuclear and High Energy Physics, Statistical and Nonlinear Physics, and Atomic and Molecular Physics, and Optics.

The main topics of their work include:

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

Kashikawa's frequent publication venues emphasize high-impact journals and archives such as:

  • arXiv (Cornell University)
  • The Astrophysical Journal
  • Monthly Notices of the Royal Astronomical Society
  • The Astrophysical Journal Supplement Series
  • The Astrophysical Journal Letters

The scientist has collaborated extensively with several co-authors over their career, including:

  • Yoshiki Matsuoka
  • Masafusa Onoue
  • Yoshiki Toba
  • Chien-Hsiu Lee
  • Yongming Liang

Some of the recent papers authored or co-authored by Kashikawa are:

  • GOLDRUSH. IV. Luminosity Functions and Clustering Revealed with ∼4,000,000 Galaxies at z ∼ 2-7: Galaxy-AGN Transition, Star Formation Efficiency, and Implication for Evolution at z > 10, 2022, The Astrophysical Journal Supplement Series
  • Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XIII. Large-scale Feedback and Star Formation in a Low-luminosity Quasar at z = 7.07 on the Local Black Hole to Host Mass Relation, 2021, The Astrophysical Journal
  • Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XVI. 69 New Quasars at 5.8 < z < 7.0, 2022, The Astrophysical Journal Supplement Series
  • Quasar Luminosity Function at z = 7, 2023, The Astrophysical Journal Letters
  • COSMOS2020: Discovery of a Protocluster of Massive Quiescent Galaxies at z = 2.77, 2023, The Astrophysical Journal Letters

Best Publications

  • The Hubble Space Telescope Cluster Supernova Survey. V. Improving the Dark-energy Constraints above z > 1 and Building an Early-type-hosted Supernova Sample

    N. Suzuki;N. Suzuki;D. Rubin;D. Rubin;C. Lidman;G. Aldering

  • SPECTRA AND HUBBLE SPACE TELESCOPE LIGHT CURVES OF SIX TYPE Ia SUPERNOVAE AT 0.511 <z< 1.12 AND THE UNION2 COMPILATION ∗

    Rahman Amanullah;Chris Lidman;D. Rubin;D. Rubin;G. Aldering

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

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

  • Statistics of 207 Lya Emitters at a Redshift Near 7: Constraints on Reionization and Galaxy Formation Models

    Masami Ouchi;Kazuhiro Shimasaku;Hisanori Furusawa;Tomoki Saito

  • The Subaru/XMM-Newton Deep Survey (SXDS). IV. Evolution of Lya Emitters from z=3.1 to 5.7 in the 1 deg^2 Field: Luminosity Functions and AGN

    Masami Ouchi;Kazuhiro Shimasaku;Masayuki Akiyama;Chris Simpson

  • STATISTICS OF 207 Lyα EMITTERS AT A REDSHIFT NEAR 7: CONSTRAINTS ON REIONIZATION AND GALAXY FORMATION MODELS*

    Masami Ouchi;Kazuhiro Shimasaku;Hisanori Furusawa;Tomoki Saito

  • Subaru Deep Survey V. A Census of Lyman Break Galaxies at z=4 and 5 in the Subaru Deep Fields: Photometric Properties

    M. Ouchi;K. Shimasaku;S. Okamura;H. Furusawa

  • The Subaru/XMM-Newton Deep Survey (SXDS). IV. Evolution of Lyα Emitters from z = 3.1 to 5.7 in the 1 deg2 Field: Luminosity Functions and AGN*

    Masami Ouchi;Kazuhiro Shimasaku;Masayuki Akiyama;Chris Simpson

  • Spectroscopic Confirmation of Three z-Dropout Galaxies at z = 6.844 - 7.213: Demographics of Lyman-Alpha Emission in z ~ 7 Galaxies

    Yoshiaki Ono;Masami Ouchi;Bahram Mobasher;Mark Dickinson

  • 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

  • Subaru Deep Survey. VI. A Census of Lyman Break Galaxies at z ≃ 4 and 5 in the Subaru Deep Fields: Clustering Properties*

    Masami Ouchi;Kazuhiro Shimasaku;Kazuhiro Shimasaku;Sadanori Okamura;Sadanori Okamura;Hisanori Furusawa

  • Spectroscopic Confirmation of Three z-dropout Galaxies at z = 6.844-7.213: Demographics of Lyα Emission in z ~ 7 Galaxies

    Yoshiaki Ono;Masami Ouchi;Masami Ouchi;Bahram Mobasher;Mark Dickinson

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

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

  • A galaxy at a redshift z = 6.96

    Masanori Iye;Masanori Iye;Kazuaki Ota;Nobunari Kashikawa;Hisanori Furusawa

  • Luminosity Functions of 10 Nearby Clusters of Galaxies. I. Data

    M. Yagi;N. Kashikawa;M. Sekiguchi;M. Doi

  • 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 TYPE IC HYPERNOVA SN 2002AP

    P. A. Mazzali;P. A. Mazzali;J. Deng;K. Maeda;K. Nomoto

  • FOCAS: The Faint Object Camera and Spectrograph for the Subaru Telescope

    Nobunari Kashikawa;Kentaro Aoki;Ryo Asai;Noboru Ebizuka

Frequent Co-Authors

Kazuhiro Shimasaku
Kazuhiro Shimasaku University of Tokyo
Masami Ouchi
Masami Ouchi University of Tokyo
Tohru Nagao
Tohru Nagao Ehime University
Sadanori Okamura
Sadanori Okamura University of Tokyo
Hisanori Furusawa
Hisanori Furusawa National Institutes of Natural Sciences
Naoki Yasuda
Naoki Yasuda Kavli Institute for the Physics and Mathematics of the Universe
Masayuki Akiyama
Masayuki Akiyama Tohoku University
Masatoshi Imanishi
Masatoshi Imanishi The Graduate University for Advanced Studies, SOKENDAI
Mamoru Doi
Mamoru Doi University of Tokyo
Michitoshi Yoshida
Michitoshi Yoshida National Astronomical Observatory of Japan

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