2026 Todd J. Henry: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	76	3307	3143	1566	1458	424	23365

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

3307

3143

1566

1458

424

23365

Overview

Todd J. Henry is affiliated with Georgia State University in the United States and has contributed extensively to the field of Physics and Astronomy. Their research primarily revolves around stellar, planetary, and galactic studies, with a specific focus on astronomy and astrophysical research, astro and planetary science, and astrophysics and star formation studies.

Their scholarly output includes significant papers published across multiple respected venues. Notable recent publications include:

The First Habitable-zone Earth-sized Planet from TESS. I. Validation of the TOI-700 System, 2020, DSpace@MIT (Massachusetts Institute of Technology)
The Solar Neighborhood XLVIII: Nine Giant Planets Orbiting Nearby K Dwarfs, and the CHIRON Spectrograph's Radial Velocity Performance, 2021, The Astronomical Journal
A planet within the debris disk around the pre-main-sequence star AU Microscopii, 2020, Maryland Shared Open Access Repository (USMAI Consortium)
A 7 Day Multiwavelength Flare Campaign on AU Mic. I. High-time-resolution Light Curves and the Thermal Empirical Neupert Effect, 2023, The Astrophysical Journal
The Solar Neighborhood. XLIX. New Discoveries and Orbits of M-dwarf Multiples with Speckle Interferometry at SOAR, 2022, The Astronomical Journal

The scientist's frequent co-authors include Wei-Chun Jao, Eliot Halley Vrijmoet, Leonardo A. Paredes, Hodari-Sadiki James, and Jennifer G. Winters. Collaborative work with these individuals spans multiple projects and publications.

Todd J. Henry has published extensively in several key venues, notably:

The Astronomical Journal
arXiv (Cornell University)
UNC Libraries
The Astrophysical Journal
OPAL (Open@LaTrobe) (La Trobe University)

Their research engages with several subfields, including astronomy and astrophysics, instrumentation, atomic and molecular physics and optics, computational mechanics, and general health professions. The topics covered in their work are diverse but show a concentration on:

Stellar, planetary, and galactic studies
Astronomy and astrophysical research
Astro and planetary science
Astrophysics and star formation studies
Solar and space plasma dynamics
Adaptive optics and wavefront sensing
Astronomical observations and instrumentation

Best Publications

A SURVEY OF STELLAR FAMILIES: MULTIPLICITY OF SOLAR-TYPE STARS

Deepak Raghavan;Harold A. McAlister;Todd J. Henry;David W. Latham

1574
Citations
LSST Science Book, Version 2.0

Paul A. Abell;Julius Allison;Scott F. Anderson

1210
Citations
Stellar Diameters and Temperatures II. Main Sequence K & M Stars

Tabetha S. Boyajian;Kaspar von Braun;Gerard van Belle;Harold A. McAlister

918
Citations
A Standard Stellar Spectral Sequence in the Red/Near-Infrared: Classes K5 to M9

J. D. Kirkpatrick;Todd J. Henry;Donald W. McCarthy

866
Citations
Stellar Diameters and Temperatures. II. Main-sequence K- and M-stars

Tabetha S. Boyajian;Kaspar Von Braun;Gerard Van Belle;Harold A. McAlister

682
Citations
The mass-luminosity relation for stars of mass 1.0 to 0.08 solar mass

Todd J. Henry;Todd J. Henry;Donald W. Mccarthy

655
Citations
The Solar Neighborhood XVII: Parallax Results from the CTIOPI 0.9m Program -- Twenty New Members of the RECONS 10 Parsec Sample

Todd J. Henry;Wei-Chun Jao;John P. Subasavage;Thomas D. Beaulieu

636
Citations
The Solar Neighborhood. XVII. Parallax Results from the CTIOPI 0.9 m Program: 20 New Members of the RECONS 10 Parsec Sample

Todd J. Henry;Todd J. Henry;Wei-Chun Jao;Wei-Chun Jao;John P. Subasavage;John P. Subasavage;Thomas D. Beaulieu;Thomas D. Beaulieu

559
Citations
A Survey of Ca II H and K Chromospheric Emission in Southern Solar-Type Stars

Todd J. Henry;David R. Soderblom;Robert A. Donahue;Sallie L. Baliunas

543
Citations
The High Angular Resolution Multiplicity of Massive Stars

Brian D. Mason;William I. Hartkopf;Douglas R. Gies;Todd J. Henry

532
Citations
Toward Spectral Classification of L and T Dwarfs: Infrared and Optical Spectroscopy and Analysis

T. R. Geballe;G. R. Knapp;S. K. Leggett;X. Fan

519
Citations
Infrared Photometry of Late-M, L, and T Dwarfs

S. K. Leggett;David A. Golimowski;Xiaohui Fan;T. R. Geballe

477
Citations
A reappraisal of the habitability of planets around M dwarf stars.

Jill C. Tarter;Peter R. Backus;Rocco L. Mancinelli;Jonathan M. Aurnou

441
Citations
A Re-appraisal of the Habitability of Planets Around M Dwarf Stars

Jill C. Tarter;Peter R. Backus;Rocco L. Mancinelli;Jonathan M. Aurnou

429
Citations
The Missing Link: Early Methane ("T") Dwarfs in the Sloan Digital Sky Survey

S. K. Leggett;T. R. Geballe;Xiaohui Fan

321
Citations
The solar neighborhood, 1: Standard spectral types (K5-M8) for northern dwarfs within eight parsecs

Todd J. Henry;J. Davy Kirkpatrick;Douglas A. Simons

308
Citations
The Solar Neighborhood. II. The First List of Dwarfs with Spectral Types of M7 and Cooler

J. Davy Kirkpatrick;Todd J. Henry;Douglas A. Simons

295
Citations
THE SOLAR NEIGHBORHOOD. XXXVII. THE MASS–LUMINOSITY RELATION FOR MAIN-SEQUENCE M DWARFS*

G. F. Benedict;T. J. Henry;O. G. Franz;B. E. McArthur

281
Citations
The optical mass-luminosity relation at the end of the main sequence (0.08-0.20 M⊙)

Todd J. Henry;Otto G. Franz;Lawrence H. Wasserman;G. Fritz Benedict

276
Citations
The missing link: Early methane ("T") dwarfs in the sloan digital Sky Survey

S. K. Leggett;T. R. Geballe;Xiaohui Fan;Donald P. Schneider

272
Citations