2026 Karl Gebhardt: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	107	1278	1210	669	622	355	61498

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

107

1278

1210

669

622

355

61498

Overview

Karl Gebhardt is affiliated with The University of Texas at Austin in the United States. Their research primarily focuses on Physics and Astronomy, with significant contributions in the subfields of Astronomy and Astrophysics, Instrumentation, Nuclear and High Energy Physics, Electrical and Electronic Engineering, and Atomic and Molecular Physics, and Optics.

The scientist's work covers diverse topics including Astronomy and Astrophysical Research, Galaxies: Formation, Evolution, Phenomena, Stellar, planetary, and galactic studies, Gamma-ray bursts and supernovae, Astrophysics and Star Formation Studies, Astrophysical Phenomena and Observations, and Astrophysics and Cosmic Phenomena.

Recent papers authored or co-authored by Karl Gebhardt include:

The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) Survey Design, Reductions, and Detections*, 2021, The Astrophysical Journal
The HETDEX Instrumentation: Hobby-Eberly Telescope Wide-field Upgrade and VIRUS, 2021, The Astronomical Journal
Orbit-based dynamical models of the Sombrero Galaxy (NGC 4594), 2024, OPAL (Open@LaTrobe) (La Trobe University)
HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic Survey*, 2023, The Astrophysical Journal
Surface Brightness Profile of Lyman-α Halos out to 320 kpc in HETDEX, 2022, The Astrophysical Journal

The researcher frequently publishes in the following venues:

The Astrophysical Journal
arXiv (Cornell University)
OPAL (Open@LaTrobe) (La Trobe University)
Monthly Notices of the Royal Astronomical Society
The Astrophysical Journal Letters

Karl Gebhardt collaborates with several frequent co-authors, including:

Erin Mentuch Cooper
Daniel J. Farrow
Chenxu Liu
Gary J. Hill
Donald P. Schneider

Best Publications

The Demography of Massive Dark Objects in Galaxy Centres

John Magorrian;Scott Tremaine;Douglas Richstone;Ralf Bender

6343
Citations
The Demography of massive dark objects in galaxy centers

John Magorrian;Scott Tremaine;Scott Tremaine;Douglas Richstone;Ralf Bender

5135
Citations
A Relationship between Nuclear Black Hole Mass and Galaxy Velocity Dispersion

Karl Gebhardt;Ralf Bender;Gary Bower;Alan Dressler

4490
Citations
THE SLOPE OF THE BLACK HOLE MASS VERSUS VELOCITY DISPERSION CORRELATION

Scott Tremaine;Karl Gebhardt;Ralf Bender;Gary Bower

3234
Citations
The M-σ and M-L Relations in Galactic Bulges, and Determinations of Their Intrinsic Scatter

Kayhan Gültekin;Douglas D.O. Richstone;Karl Gebhardt;Tod Lauer

2463
Citations
The M-sigma and M-L Relations in Galactic Bulges and Determinations of their Intrinsic Scatter

Kayhan Gultekin;Douglas O. Richstone;Karl Gebhardt;Tod R. Lauer

2214
Citations
Measures of location and scale for velocities in clusters of galaxies. A robust approach

Timothy C. Beers;Kevin Flynn;Karl Gebhardt

2172
Citations
Galaxy Luminosity Functions to z~1: DEEP2 vs. COMBO-17 and Implications for Red Galaxy Formation

S. M. Faber;C. N. A. Willmer;C. Wolf;D. C. Koo

1611
Citations
Galaxy luminosity functions to z∼ 1 from DEEP2 and COMBO-17: Implications for red galaxy formation

S. M. Faber;C. N. A. Willmer;C. Wolf;D. C. Koo

1400
Citations
The centers of early-type galaxies with HST. IV. Central parameter relations

S. M. Faber;Scott Tremaine;Edward A. Ajhar;Yong Ik Byun;Yong Ik Byun

1131
Citations
Black Hole Mass Estimates from Reverberation Mapping and from Spatially Resolved Kinematics

Karl Gebhardt;Karl Gebhardt;John Kormendy;Luis C. Ho;Ralf Bender

634
Citations
Supermassive black holes in galactic nuclei

John Kormendy;Karl Gebhardt

548
Citations
The Centers of Early-Type Galaxies with HST. V. New WFPC2 Photometry

Tod R. Lauer;S. M. Faber;Karl Gebhardt;Douglas Richstone

528
Citations
THE BLACK HOLE MASS IN M87 FROM GEMINI/NIFS ADAPTIVE OPTICS OBSERVATIONS

Karl Gebhardt;Joshua Adams;Douglas Richstone;Tod R. Lauer

506
Citations
The Masses of Nuclear Black Holes in Luminous Elliptical Galaxies and Implications for the Space Density of the Most Massive Black Holes

Tod R. Lauer;S. M. Faber;Douglas Richstone;Karl Gebhardt

470
Citations
Axisymmetric Dynamical Models of the Central Regions of Galaxies

Karl Gebhardt;Douglas Richstone;Scott Tremaine;Tod R. Lauer

469
Citations
THE BLACK HOLE MASS, STELLAR MASS-TO-LIGHT RATIO, AND DARK HALO IN M87

Karl Gebhardt;Jeans Thomas

453
Citations
Two ten-billion-solar-mass black holes at the centres of giant elliptical galaxies

Nicholas J. Mcconnell;Chung Pei Ma;Karl Gebhardt;Shelley A. Wright

445
Citations
THE CENTERS OF EARLY-TYPE GALAXIES WITH HUBBLE SPACE TELESCOPE. V. NEW WFPC2 PHOTOMETRY

Tod Lauer;S.M. Faber;Karl Gebhardt;Douglas D.O. Richstone

432
Citations
The Black Hole Mass, Stellar M/L, and Dark Halo in M87

Karl Gebhardt;Jens Thomas

424
Citations