2026 Ryan Chornock: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	130	559	538	309	295	596	75822

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

130

559

538

309

295

596

75822

Overview

Ryan Chornock is affiliated with Northwestern University in the United States. Their research primarily focuses on the field of Physics and Astronomy, with a strong emphasis on Astronomy and Astrophysics, Nuclear and High Energy Physics, Instrumentation, Computational Mechanics, and Biomedical Engineering.

Their work covers numerous key research topics, including:

Gamma-ray bursts and supernovae
Astrophysical Phenomena and Observations
Astrophysics and Cosmic Phenomena
Pulsars and Gravitational Waves Research
Stellar, planetary, and galactic studies
Astronomy and Astrophysical Research
Astro and Planetary Science

Some of their recent papers include:

A kilonova following a long-duration gamma-ray burst at 350 Mpc (2022, Nature)
Short GRB Host Galaxies. I. Photometric and Spectroscopic Catalogs, Host Associations, and Galactocentric Offsets (2022, The Astrophysical Journal)
SN 2023ixf in Messier 101: Photo-ionization of Dense, Close-in Circumstellar Material in a Nearby Type II Supernova (2023, The Astrophysical Journal Letters)
The Radio to GeV Afterglow of GRB 221009A (2023, The Astrophysical Journal Letters)
Evidence for X-Ray Emission in Excess to the Jet-afterglow Decay 3.5 yr after the Binary Neutron Star Merger GW 170817: A New Emission Component (2022, The Astrophysical Journal Letters)

Frequent coauthors in their publications include:

R. Margutti
E. Berger
K. D. Alexander
T. Laskar
D. Milisavljević

Ryan Chornock has contributed extensively to several scientific venues. These include:

arXiv (Cornell University)
The Astrophysical Journal
The Astrophysical Journal Letters
Monthly Notices of the Royal Astronomical Society
Zenodo (CERN European Organization for Nuclear Research)

Best Publications

Type Ia Supernova Discoveries at z>1 From the Hubble Space Telescope: Evidence for Past Deceleration and Constraints on Dark Energy Evolution

Adam G. Riess;Louis-Gregory Strolger;John Tonry;Stefano Casertano

6196
Citations
Type Ia supernova discoveries at z > 1 from the Hubble Space Telescope: Evidence for past deceleration and constraints on dark energy evolution

Adam G. Riess;Louis-Gregory Strolger;John Tonry;Stefano Casertano

5608
Citations
The Complete Light-curve Sample of Spectroscopically Confirmed SNe Ia from Pan-STARRS1 and Cosmological Constraints from the Combined Pantheon Sample

D. M. Scolnic;D. O. Jones;A. Rest;A. Rest;Y. C. Pan

2512
Citations
A 2.4% DETERMINATION OF THE LOCAL VALUE OF THE HUBBLE CONSTANT*

Adam G. Riess;Adam G. Riess;Lucas M. Macri;Samantha L. Hoffmann;Dan Scolnic;Dan Scolnic

2457
Citations
A 3% Solution: Determination of the Hubble Constant with the Hubble Space Telescope and Wide Field Camera 3

Adam G. Riess;Adam G. Riess;Lucas Macri;Stefano Casertano;Hubert Lampeitl

1841
Citations
The Complete Light-curve Sample of Spectroscopically Confirmed Type Ia Supernovae from Pan-STARRS1 and Cosmological Constraints from The Combined Pantheon Sample

D. M. Scolnic;D. O. Jones;A. Rest;Y. C. Pan

1662
Citations
A gravitational-wave standard siren measurement of the Hubble constant

B. P. Abbott;R. Abbott;T. D. Abbott;F. Acernese;F. Acernese

1162
Citations
A REDETERMINATION OF THE HUBBLE CONSTANT WITH THE HUBBLE SPACE TELESCOPE FROM A DIFFERENTIAL DISTANCE LADDER

Adam G. Riess;Adam G. Riess;Lucas Macri;Stefano Casertano;Megan Sosey

1050
Citations
The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/Virgo GW170817. II. UV, Optical, and Near-infrared Light Curves and Comparison to Kilonova Models

P. S. Cowperthwaite;E. Berger;V. A. Villar;B. D. Metzger

955
Citations
Nearby Supernova Rates from the Lick Observatory Supernova Search. II. The Observed Luminosity Functions and Fractions of Supernovae in a Complete Sample

Weidong Li;Jesse Leaman;Jesse Leaman;Ryan Chornock;Ryan Chornock;Alexei V. Filippenko

883
Citations
The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/VIRGO GW170817. II. UV, Optical, and Near-IR Light Curves and Comparison to Kilonova Models

P. S. Cowperthwaite;E. Berger;V. A. Villar;B. D. Metzger

876
Citations
SN 2006gy: Discovery of the most luminous supernova ever recorded, powered by the death of an extremely massive star like Eta Carinae

Nathan Smith;Weidong Li;Ryan J. Foley;J. Craig Wheeler

805
Citations
Observed Fractions of Core-Collapse Supernova Types and Initial Masses of their Single and Binary Progenitor Stars

Nathan Smith;Nathan Smith;Weidong Li;Alexei V. Filippenko;Ryan Chornock

709
Citations
Sn 2006gy : Discovery of the most luminous supernova ever recorded, powered by the death of an extremely massive star like η carinae

Nathan Smith;Weidong Li;Ryan J. Foley;J. Craig Wheeler

668
Citations
Nearby supernova rates from the Lick Observatory Supernova Search – III. The rate–size relation, and the rates as a function of galaxy Hubble type and colour

Weidong Li;Ryan Chornock;Ryan Chornock;Jesse Leaman;Jesse Leaman;Alexei V. Filippenko

632
Citations
23 High Redshift Supernovae from the IfA Deep Survey: Doubling the SN Sample at z>0.7

Brian J. Barris;John Tonry;Stephane Blondin;Peter Challis

608
Citations
An r-process Kilonova Associated with the Short-hard GRB 130603B

Edo Berger;W Fong;R Chornock

591
Citations
Twenty-Three High-Redshift Supernovae from the Institute for Astronomy Deep Survey: Doubling the Supernova Sample at z > 0.7 * **

Brian J. Barris;John L. Tonry;Stéphane Blondin;Peter Challis

581
Citations
Supernova 2007bi as a pair-instability explosion.

Avishay Gal-Yam;P. Mazzali;E. O. Ofek;P. E. Nugent

577
Citations
The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/Virgo GW170817. I. Dark Energy Camera Discovery of the Optical Counterpart

M. Soares-Santos;D. E. Holz;J. Annis;R. Chornock

556
Citations