2026 Nobunari Kashikawa: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	106	1337	1267	30	29	424	38743

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

106

1337

1267

424

38743

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

2078
Citations
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

1549
Citations
The Hyper Suprime-Cam SSP Survey: Overview and Survey Design

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

979
Citations
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

955
Citations
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

922
Citations
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

801
Citations
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

723
Citations
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

704
Citations
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

599
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
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

516
Citations
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

491
Citations
Ly Alpha Emitters at z=5.7 in the Subaru Deep Field

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

473
Citations
A galaxy at a redshift z = 6.96

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

455
Citations
Luminosity Functions of 10 Nearby Clusters of Galaxies. I. Data

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

428
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 TYPE IC HYPERNOVA SN 2002AP

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

382
Citations
FOCAS: The Faint Object Camera and Spectrograph for the Subaru Telescope

Nobunari Kashikawa;Kentaro Aoki;Ryo Asai;Noboru Ebizuka

381
Citations