2026 James Liebert: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	109	1197	1132	628	583	469	51967

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

109

1197

1132

628

583

469

51967

Overview

James Liebert is affiliated with the University of Arizona in the United States and conducts research primarily within the fields of Physics and Astronomy. Their work touches upon several subfields, including Astronomy and Astrophysics, Instrumentation, and Computational Mechanics.

The scientist's research interests are reflected in the main topics they address, such as Stellar, planetary, and galactic studies, Astronomy and Astrophysical Research, and Astronomical Observations and Instrumentation.

Liebert has contributed to research published in notable venues including UNC Libraries and Medicine & Science in Sports & Exercise. Their recent papers are:

Blue Horizontal-Branch Stars in Old, Metal-rich Stellar Systems (2021, UNC Libraries)
Assessment Of Body Roundness Index And Estimated Pulse Wave Velocity Amongst First Responders (2025, Medicine & Science in Sports & Exercise)

Collaboration has been a component of their work, with frequent co-authors including:

R. C. Peterson
Bruce W. Carney
Ben Dorman
Elizabeth M. Green
V. La Parola

Best Publications

The Two Micron All Sky Survey (2MASS)

M. F. Skrutskie;M. F. Skrutskie;R. M. Cutri;R. Stiening;M. D. Weinberg

12883
Citations
Dwarfs Cooler Than M: The Definition of Spectral Type L Using Discoveries from the 2-Micron All-Sky Survey (2MASS)

J. Davy Kirkpatrick;I. Neill Reid;James Liebert;Roc M. Cutri

1238
Citations
The theory of brown dwarfs and extrasolar giant planets

Adam Burrows;W. B. Hubbard;J. I. Lunine;James Liebert

1054
Citations
The Palomar-Green Catalog of Ultraviolet-Excess Stellar Objects

R. F. Green;M. Schmidt;J. Liebert

972
Citations
Sixty-seven Additional L Dwarfs Discovered by the Two Micron All Sky Survey (2MASS)

J. Davy Kirkpatrick;I. Neill Reid;James Liebert;John E. Gizis

878
Citations
A spectroscopic determination of the mass distribution of DA white dwarfs

P. Bergeron;Rex A. Saffer;James Liebert

844
Citations
67 Additional L Dwarfs Discovered by the Two Micron All Sky Survey

J. Davy Kirkpatrick;I. Neill Reid;James Liebert;John E. Gizis

731
Citations
Astrometry and photometry for cool dwarfs and brown dwarfs

Conard C. Dahn;Hugh C. Harris;Frederick J. Vrba;Harry H. Guetter

719
Citations
The Formation Rate and Mass and Luminosity Functions of DA White Dwarfs from the Palomar Green Survey

James Liebert;P. Bergeron;J. B. Holberg

694
Citations
Meeting the Cool New Neighbors V: A 2MASS-Selected Sample of Ultracool Dwarfs

Kelle L. Cruz;I. Neill Reid;James Liebert;J. Davy Kirkpatrick

637
Citations
A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4

Daniel J. Eisenstein;James Liebert;Hugh C. Harris;S. J. Kleinmann

580
Citations
An independent method for determining the age of the universe

D. E. Winget;C. J. Hansen;James Liebert;H. M. van Horn

577
Citations
New Neighbors from 2MASS: Activity and Kinematics at the Bottom of the Main Sequence

John E. Gizis;John E. Gizis;David G. Monet;I. Neill Reid;J. Davy Kirkpatrick

577
Citations
X-ray studies of quasars with the Einstein Observatory. II

G. Zamorani;J.P. Henry;T. Maccacaro;H. Tananbaum

573
Citations
The spectra of t dwarfs I: near-infrared data and spectral classification

Adam J. Burgasser;J. Davy Kirkpatrick;Michael E. Brown;I. Neill Reid

506
Citations
A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4

Daniel J. Eisenstein;Daniel J. Eisenstein;James Liebert;Hugh C. Harris;S. J. Kleinman;S. J. Kleinman

496
Citations
Meeting the Cool Neighbors. V. A 2MASS-Selected Sample of Ultracool Dwarfs

Kelle L. Cruz;Kelle L. Cruz;I. Neill Reid;I. Neill Reid;I. Neill Reid;James Liebert;James Liebert;J. Davy Kirkpatrick

471
Citations
Atmospheric parameters of field subdwarf B stars

Rex A. Saffer;P. Bergeron;D. Koester;James Liebert

467
Citations
The Luminosity Function of White Dwarfs

James Liebert;Conard C. Dahn;David G. Monet

390
Citations
A COMPREHENSIVE SPECTROSCOPIC ANALYSIS OF DB WHITE DWARFS

P. Bergeron;F. Wesemael;Pierre Dufour;A. Beauchamp

378
Citations