2026 Garth D. Illingworth: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	172	138	133	91	88	733	95255

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

172

138

133

733

95255

Research.com Recognitions

2026 - Research.com Physics in United States Leader Award
2025 - Research.com Physics in United States Leader Award

Overview

Garth D. Illingworth is affiliated with the University of California, Santa Cruz in the United States. Their research focuses primarily on Physics and Astronomy, with significant contributions in subfields such as Astronomy and Astrophysics, Instrumentation, Atomic and Molecular Physics and Optics, Computational Mechanics, and Nuclear and High Energy Physics.

The main topics of Illingworth's work include:

Galaxies: Formation, Evolution, Phenomena
Astronomy and Astrophysical Research
Gamma-ray bursts and supernovae
Stellar, planetary, and galactic studies
Astrophysics and Star Formation Studies
Adaptive optics and wavefront sensing
Astronomical Observations and Instrumentation

Selected recent papers by Illingworth include:

"Two Remarkably Luminous Galaxy Candidates at z ≈ 10-12 Revealed by JWST," 2022, The Astrophysical Journal Letters
"Little Red Dots: An Abundant Population of Faint Active Galactic Nuclei at z ∼ 5 Revealed by the EIGER and FRESCO JWST Surveys," 2024, The Astrophysical Journal
"The JWST FRESCO survey: legacy NIRCam/grism spectroscopy and imaging in the two GOODS fields," 2023, Monthly Notices of the Royal Astronomical Society
"Galaxy Stellar Mass Functions from z ∼ 10 to z ∼ 6 using the Deepest Spitzer/Infrared Array Camera Data: No Significant Evolution in the Stellar-to-halo Mass Ratio of Galaxies in the First Gigayear of Cosmic Time," 2021, The Astrophysical Journal
"Evolution of the UV LF from z ∼ 15 to z ∼ 8 using new JWST NIRCam medium-band observations over the HUDF/XDF," 2023, Monthly Notices of the Royal Astronomical Society

Frequent co-authors collaborating with Illingworth are:

Pascal A. Oesch
R. J. Bouwens
Mauro Stefanon
Ivo Labbé
Rohan P. Naidu

Illingworth's works have been published in various prominent venues, including:

arXiv (Cornell University)
Monthly Notices of the Royal Astronomical Society
The Astrophysical Journal
The Astrophysical Journal Letters
Astronomy and Astrophysics

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 Photometric Performance and Calibration of the HST Advanced Camera For Surveys

M. Sirianni;M. Sirianni;M. Sirianni;M. J. Jee;N. Benitez;J. P. Blakeslee

1775
Citations
UV Luminosity Functions at redshifts z~4 to z~10: 10000 Galaxies from HST Legacy Fields

R. J. Bouwens;G. D. Illingworth;P. A. Oesch;M. Trenti

1572
Citations
The photometric performance and calibration of the Hubble Space Telescope advanced camera for surveys

M. Sirianni;M. Sirianni;M. Sirianni;M.J. Jee;N. Benítez;N. Benítez;J.P. Blakeslee

1240
Citations
UV Luminosity Functions at z~4, 5, and 6 from the Hubble Ultra Deep Field and Other Deep Hubble Space Telescope ACS Fields: Evolution and Star Formation History*

Rychard J Bouwens;Garth D Illingworth;Marijn Franx;Holland Ford

1061
Citations
UV luminosity functions at redshifts z ∼ 4 to z ∼ 10: 10,000 galaxies from HST legacy fields

R.J. Bouwens;R.J. Bouwens;G.D. Illingworth;P.A. Oesch;P.A. Oesch;M. Trenti

1055
Citations
UV Luminosity Functions at z~4, 5, and 6 from the HUDF and other Deep HST ACS Fields: Evolution and Star Formation History

Rychard J. Bouwens;Garth D. Illingworth;Marijn Franx;Holland Ford

1018
Citations
An ultra-deep near-infrared spectrum of a compact quiescent galaxy at z=2.2

Mariska Kriek;Pieter G. van Dokkum;Ivo Labbé;Marijn Franx

1014
Citations
UV Luminosity Functions from 132 z~7 and z~8 Lyman-Break Galaxies in the ultra-deep HUDF09 and wide-area ERS WFC3/IR Observations

R. J. Bouwens;G. D. Illingworth;P. A. Oesch;I. Labbe

989
Citations
The Growth of Massive Galaxies Since z = 2

Pieter G. van Dokkum;Pieter G. van Dokkum;Katherine E. Whitaker;Katherine E. Whitaker;Gabriel Brammer;Gabriel Brammer;Marijn Franx

929
Citations
Confirmation of the Remarkable Compactness of Massive Quiescent Galaxies at z ~ 2.3: Early-Type Galaxies Did not Form in a Simple Monolithic Collapse* **

Pieter G. van Dokkum;Marijn Franx;Mariska Kriek;Bradford Holden

898
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
The 3D-HST Survey: Hubble Space Telescope WFC3/G141 grism spectra, redshifts, and emission line measurements for $\sim 100,000$ galaxies

Ivelina G. Momcheva;Gabriel B. Brammer;Pieter G. van Dokkum;Rosalind E. Skelton

796
Citations
The Hubble Space Telescope Extragalactic Distance Scale Key Project. 1: The discovery of Cepheids and a new distance to M81

Wendy L. Freedman;Shaun M. Hughes;Barry F. Madore;Jeremy R. Mould

785
Citations
Distance to the Virgo cluster galaxy M100 from Hubble Space Telescope observations of Cepheids

Wendy L. Freedman;Barry F. Madore;Jeremy R. Mould;Robert Hill

765
Citations
The kinematic properties of faint elliptical galaxies.

R. L. Davies;G. Efstathiou;S. M. Fall;G. Illingworth

717
Citations
The afterglow, redshift and extreme energetics of the γ-ray burst of 23 January 1999

[No Value] Kulkarni;SG Djorgovski;SC Odewahn;JS Bloom

690
Citations
Ultraviolet Luminosity Functions from 132 z ~ 7 and z ~ 8 Lyman-break Galaxies in the Ultra-deep HUDF09 and Wide-area Early Release Science WFC3/IR Observations

R. J. Bouwens;R. J. Bouwens;G. D. Illingworth;P. A. Oesch;I. Labbé

679
Citations
UV Luminosity Functions at redshifts z~4 to z~10: 11000 Galaxies from HST Legacy Fields

R. J. Bouwens;G. D. Illingworth;P. A. Oesch;M. Trenti

10
Citations