Stephen Gwyn

Herzberg Institute of Astrophysics — Canada

Physics and Astronomy · Physical Sciences

52h-index9.5kcitations385works9.12yr avg
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Research Topics

Astronomy and Astrophysical Research(179), Galaxies: Formation, Evolution, Phenomena(173), Stellar, planetary, and galactic studies(144), Astro and Planetary Science(96), Planetary Science and Exploration(52)

Publications378 total

Kinematics of Distant Milky Way Halo RR Lyrae Stars out to 160 kpc
arXiv (Cornell University)·2025Open Access
Euclid Quick Data Release (Q1). First Euclid statistical study of the active galactic nucleus contribution fraction
Astronomy and Astrophysics·2025· 1 citedOpen Access
UNIONS Optical Identifications for VLASS Radio Sources in the Euclid Sky (UNVEIL). I. A Catalog of ∼146,000 Radio Galaxies up to <i>z</i> ∼ 5
The Astrophysical Journal Supplement Series·2025· 2 citedOpen Access
Outcomes from a National Consensus Event Targeting Service Development Strategies for Alcohol Related Brain Damage
Alcoholism Treatment Quarterly·2025Open Access
Euclid Quick Data Release (Q1). An investigation of optically faint, red objects in the Euclid Deep Fields
Astronomy and Astrophysics·2025Open Access
Euclid Quick Data Release (Q1). First Euclid statistical study of galaxy mergers and their connection to active galactic nuclei
Astronomy and Astrophysics·2025· 1 citedOpen Access
Euclid Quick Data Release (Q1). A first look at the fraction of bars in massive galaxies at z&lt;1
Astronomy and Astrophysics·2025Open Access
Euclid Quick Data Release (Q1). Extending the quest for little red dots to z&lt;4
Astronomy and Astrophysics·2025· 5 citedOpen Access
The Growth of Galaxy Stellar Haloes over 0.2 ≤ <i>z</i> ≤ 1.1
The Astrophysical Journal·2025· 2 citedOpen Access
A Pristine-UNIONS view on the Galaxy: Kinematics of the distant spur feature of the Sagittarius stream traced by blue horizontal branch stars
Astronomy and Astrophysics·2025· 4 citedOpen Access
Low surface brightness structures from annotated deep CFHT images: effects of the host galaxy’s properties and environment
Monthly Notices of the Royal Astronomical Society·2025· 4 citedOpen Access
Euclid Quick Data Release (Q1). Galaxy shapes and alignments in the cosmic web
Astronomy and Astrophysics·2025Open Access
The Classical and Large-a Solar System  
2025· 1 citedOpen Access
Euclid Quick Data Release (Q1). Exploring galaxy properties with a multi-modal foundation model
Astronomy and Astrophysics·2025· 2 citedOpen Access
Deep Galaxy Stellar Mass Functions As a Function of Star Formation Rate in the Virgo Cluster Environment
The Astrophysical Journal·2025Open Access
Effects of Environment on the Size Evolution of Quiescent Galaxies: Comparing Galaxies in Clusters and in the Field at Two Rest-frame Wavelengths
The Astrophysical Journal·2025· 1 citedOpen Access
RIDEN pilot survey: broad-band selection of candidate quasars with extended Lyman-α nebulae using CLAUDS–HSC-SSP–DUNES2 joint data
Monthly Notices of the Royal Astronomical Society·2025Open Access
RIDEN pilot survey: broad-band selection of candidate quasars with extended Lyman-$α$ nebulae using CLAUDS-HSC-SSP-DUNES$^2$ joint data
arXiv (Cornell University)·2025Open Access
Deep galaxy stellar mass functions as a function of star formation rate in the Virgo cluster environment
arXiv (Cornell University)·2025Open Access
Euclid Quick Data Release (Q1). A first view of the star-forming main sequence in the Euclid Deep Fields
Astronomy and Astrophysics·2025· 1 citedOpen Access
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Frequent Co-authors

Jean‐Charles Cuillandre(19), Laura Ferrarese(13), A. Boselli(12), Eric W. Peng(11), Patrick R. Durrell(10), A. Lançon(9), Thomas H. Puzia(9), Chengze Liu(9), Alan W. McConnachie(8), Patrick Côté(8), Pierre–Alain Duc(7), Éric Emsellem(7), John P. Blakeslee(7), J. J. Kavelaars(7), S. Mei(6), J. Christopher Mihos(6), Andrés Jordán(6), S. Boissier(6), Y. Mellier(6), Marcin Sawicki(6)