2026 Tohru Nagao: Physics Researcher – H-Index, Publications & Awards

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

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

103

1508

1430

482

35365

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

1195
Citations
AMAZE - I. The evolution of the mass–metallicity relation at z $>$ 3

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

1074
Citations
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

1038
Citations
The Hyper Suprime-Cam SSP Survey: Overview and Survey Design

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

979
Citations
Extragalactic Science, Cosmology and Galactic Archaeology with the Subaru Prime Focus Spectrograph (PFS)

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

587
Citations
The Hyper Suprime-Cam SSP Survey: Overview and survey design

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

563
Citations
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

555
Citations
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

484
Citations
Ly Alpha Emitters at z=5.7 in the Subaru Deep Field

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

473
Citations
Extragalactic science, cosmology, and Galactic archaeology with the Subaru Prime Focus Spectrograph

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

456
Citations
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

425
Citations
First data release of the Hyper Suprime-Cam Subaru Strategic Program

Hiroaki Aihara;Robert Armstrong;Steven Bickerton;James Bosch

415
Citations
Lyα Emitters at z = 5.7 in the Subaru Deep Field

Kazuhiro Shimasaku;Nobunari Kashikawa;Mamoru Doi;Chun Ly

410
Citations
The Cosmic Evolution Survey (COSMOS): Subaru observations of the HST cosmos field

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

390
Citations
Completing the Census of Ly-alpha Emitters at the Reionization Epoch

Nobunari Kashikawa;Kazuhiro Shimasaku;Yuichi Matsuda;Eiichi Egami

378
Citations
Gas metallicity diagnostics in star-forming galaxies

Tohru Nagao;Roberto Maiolino;Alessandro Marconi

376
Citations
The SUBARU Deep Field Project: Lymanα Emitters at a Redshift of 6.6

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

363
Citations
First detection of [CII]158 μm at high redshift : vigorous star formation in the early universe

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

309
Citations
COMPLETING THE CENSUS OF Lyα EMITTERS AT THE REIONIZATION EPOCH

Nobunari Kashikawa;Kazuhiro Shimasaku;Yuichi Matsuda;Eiichi Egami

309
Citations
Dissecting photometric redshift for active galactic nucleus using XMM- and Chandra-COSMOS samples

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

308
Citations