2026 Shoko Sakai: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	72	3570	3394	1675	1559	195	24111

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

3570

3394

1675

1559

195

24111

Overview

Shoko Sakai is affiliated with the University of California, Los Angeles in the United States. Their research primarily falls under the broad field of Physics and Astronomy, with a significant focus on Astronomy and Astrophysics as a subfield. They have also contributed to Biomedical Engineering, Instrumentation, Atomic and Molecular Physics, and Optics, as well as Computational Mechanics.

Their work covers a variety of main topics, including:

Astrophysical Phenomena and Observations
Stellar, planetary, and galactic studies
Pulsars and Gravitational Waves Research
Astrophysics and Star Formation Studies
Mechanics and Biomechanics Studies
Astronomy and Astrophysical Research
Adaptive optics and wavefront sensing

Sakai has frequently published in several venues. The most common publication outlets are:

The Astrophysical Journal
arXiv (Cornell University)
The Astronomical Journal
Physical Review Letters
The Astrophysical Journal Letters

Their co-authorship network includes collaborations with several researchers, notably:

A. M. Ghez
Tuan Do
Jessica R. Lu
Abhimat K. Gautam
Matthew W. Hosek

Selected recent papers authored or co-authored by Sakai include:

"Search for a Variation of the Fine Structure Constant around the Supermassive Black Hole in Our Galactic Center" (2020), published in Physical Review Letters
"Stellar Populations in the Central 0.5 pc of Our Galaxy. III. The Dynamical Substructures" (2023), published in The Astrophysical Journal
"The Swansong of the Galactic Center Source X7: An Extreme Example of Tidal Evolution near the Supermassive Black Hole" (2023), published in The Astrophysical Journal
"Evidence of a Decreased Binary Fraction for Massive Stars within 20 milliparsecs of the Supermassive Black Hole at the Galactic Center" (2023), published in The Astrophysical Journal
"Near-infrared Flux Distribution of Sgr A* from 2005-2022: Evidence for an Enhanced Accretion Episode in 2019" (2023), published in The Astrophysical Journal Letters

Best Publications

Final Results from the Hubble Space Telescope Key Project to Measure the Hubble Constant

Wendy L. Freedman;Barry F. Madore;Barry F. Madore;Brad K. Gibson;Laura Ferrarese

4527
Citations
The HST Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant

Jeremy R Mould;John P Huchra;Wendy L Freedman;Robert C Kennicutt Jr

866
Citations
The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant

Jeremy R. Mould;John P. Huchra;Wendy L. Freedman;Robert C. Kennicutt

828
Citations
Comparison of H-alpha and UV Star Formation Rates in the Local Volume: Systematic Discrepancies for Dwarf Galaxies

Janice C. Lee;Armando Gil de Paz;Christy Tremonti;Robert C. Kennicutt

738
Citations
An Hα Imaging Survey of Galaxies in the Local 11 Mpc Volume

Robert C. Kennicutt;Robert C. Kennicutt;Janice C. Lee;Janice C. Lee;S. J. José G. Funes;S. J. José G. Funes;Shoko Sakai

728
Citations
An H-alpha Imaging Survey of Galaxies in the Local 11 Mpc Volume

Robert C. Kennicutt Jr.;Janice C. Lee;Jose G. Funes S. J.;Shoko Sakai

675
Citations
COMPARISON OF Hα AND UV STAR FORMATION RATES IN THE LOCAL VOLUME: SYSTEMATIC DISCREPANCIES FOR DWARF GALAXIES

Janice C. Lee;Armando Gil de Paz;Christy Tremonti;Christy Tremonti;Robert C. Kennicutt;Robert C. Kennicutt

624
Citations
THE SPITZER LOCAL VOLUME LEGACY: SURVEY DESCRIPTION AND INFRARED PHOTOMETRY

D. A. Dale;S. A. Cohen;L. C. Johnson;L. C. Johnson;M. D. Schuster

492
Citations
The Calibration of Monochromatic Far-Infrared Star Formation Rate Indicators

D. Calzetti;S. Y. Wu;S. Hong;R. C. Kennicutt

425
Citations
The HST Key Project on the Extragalactic Distance Scale XIII. The Metallicity Dependence of the Cepheid Distance Scale

R. Kennicutt;P. Stetson;A. Saha;D. Kelson

421
Citations
Tip of the Red Giant Branch Distances. II. Zero-Point Calibration

Luca Rizzi;R. Brent Tully;Dmitry Makarov;Dmitry Makarov;Dmitry Makarov;Lidia Makarova;Lidia Makarova;Lidia Makarova

404
Citations
Observation of an Antimatter Hypernucleus

B. I. Abelev;M. M. Aggarwal;Z. Ahammed;A. V. Alakhverdyants

390
Citations
The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXVI. The Calibration of Population II Secondary Distance Indicators and the Value of the Hubble Constant

Laura Ferrarese;Jeremy R. Mould;Robert C. Kennicutt;John Huchra

386
Citations
The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XIII. The Metallicity Dependence of the Cepheid Distance Scale

Robert C. Kennicutt;Peter B. Stetson;Abhijit Saha;Dan Kelson

384
Citations
A galex ultraviolet imaging survey of galaxies in the local volume

Janice C. Lee;Armando Gil de Paz;Robert C. Kennicutt;Robert C. Kennicutt;Matthew Bothwell

381
Citations
The HST Key Project on the Extragalactic Distance Scale XXVI. The Calibration of Population II Secondary Distance Indicators and the Value of the Hubble Constant

Laura Ferrarese;Jeremy R. Mould;Robert C. Kennicutt;John Huchra

358
Citations
A GALEX Ultraviolet Imaging Survey of Galaxies in the Local Volume

Janice C. Lee;Armando Gil de Paz;Robert C. Kennicutt;Matthew Bothwell

347
Citations
Tip of the Red Giant Branch Distances to Galaxies. III. The Dwarf Galaxy Sextans A

Shoko Sakai;Barry F. Madore;Wendy L. Freedman

345
Citations
The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXIV. The Calibration of Tully-Fisher Relations and the Value of the Hubble Constant

Shoko Sakai;Jeremy R. Mould;Shaun M. G. Hughes;John P. Huchra

329
Citations
Dwarf Galaxy Starburst Statistics in the Local Volume

Janice C. Lee;Janice C. Lee;Robert C. Kennicutt;Robert C. Kennicutt;S. J. José G. Funes;S. J. José G. Funes;Shoko Sakai

302
Citations