Jonathan Gagné

Physics and Astronomy · Physical Sciences

32h-index3.9kcitations410works6.02yr avg
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Research Topics

Stellar, planetary, and galactic studies(243), Astronomy and Astrophysical Research(188), Astrophysics and Star Formation Studies(93), Astro and Planetary Science(65), Gamma-ray bursts and supernovae(50)

Publications407 total

The Diversity of Cold Worlds: Age and Characterization of the Exoplanet COCONUTS-2 b
The Astronomical Journal·2026Open Access
NIRPS and TESS reveal a peculiar system around the M dwarf TOI-756: A transiting sub-Neptune and a cold eccentric giant
Astronomy and Astrophysics·2025· 1 citedOpen Access
Discovery of the Second Y+Y Dwarf Binary System: CWISEP J193518.59-154620.3
The Astrophysical Journal Letters·2025· 5 citedOpen Access
Silicate precursor silane detected in cold low-metallicity brown dwarf
Nature·2025· 3 citedOpen Access
X-SHYNE: X-Shooter spectra of young exoplanet analogs
Astronomy and Astrophysics·2025· 2 citedOpen Access
Diversity of Cold Worlds: A Near-complete Spectral Energy Distribution for 2MASS J04151954−0935066 Using JWST
The Astrophysical Journal·2025· 1 citedOpen Access
NIRPS detection of delayed atmospheric escape from the warm and misaligned Saturn-mass exoplanet WASP-69 b
Astronomy and Astrophysics·2025· 5 citedOpen Access
Diving into the planetary system of Proxima with NIRPS
Astronomy and Astrophysics·2025· 7 citedOpen Access
Hydride ion continuum hides absorption signatures in the NIRPS near-infrared transmission spectrum of the ultra-hot gas giant WASP-189b
Astronomy and Astrophysics·2025· 4 citedOpen Access
Characterizing planetary systems with SPIRou: Detection of a sub-Neptune in a 6-day period orbit around the M dwarf Gl 410
Astronomy and Astrophysics·2025· 3 citedOpen Access
NIRPS joining HARPS at ESO 3.6 m
Astronomy and Astrophysics·2025· 15 citedOpen Access
The Diversity of Cold Worlds: A Blended-light Binary Straddling the T/Y Transition in Brown Dwarfs
The Astrophysical Journal·2025· 3 citedOpen Access
New Cold Subdwarf Discoveries from Backyard Worlds and a Metallicity Classification System for T Subdwarfs
The Astrophysical Journal·2025· 13 citedOpen Access
The <i>Gaia</i> ultracool dwarf sample – VI. Spectral types and properties of 51 ultracool dwarfs
Monthly Notices of the Royal Astronomical Society·2025· 2 citedOpen Access
The Gaia Ultracool Dwarf Sample -- VI. Spectral Types and Properties of 51 Ultracool Dwarfs
arXiv (Cornell University)·2025Open Access
The Diversity of Cold Worlds: a blended-light binary straddling the T/Y transition in brown dwarfs
ArXiv.org·2025Open Access
Unveiling the infrared excess of SIPS J2045–6332: evidence for a young stellar object with potential low-mass companion
Monthly Notices of the Royal Astronomical Society·2025· 1 citedOpen Access
JWST Detects Silane in a Cold Low-Metallicity World
2024· 1 citedOpen Access
Spectroscopic Analysis of CWISE J151044.74−524923.5, A Wide L Dwarf Companion to the L 262-74 System
Research Notes of the AAS·2024Open Access
New Cold Subdwarf Discoveries from Backyard Worlds and a Metallicity Classification System for T Subdwarfs
arXiv (Cornell University)·2024Open Access
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Frequent Co-authors

Jacqueline K. Faherty(22), René Doyon(12), Lison Malo(12), David Lafreniére(11), Étienne Artigau(11), Kelle L. Cruz(8), Adam J. Burgasser(8), Peter Plavchan(7), Loïc Albert(6), Angelle Tanner(5), David W. Latham(5), Stephen R. Kane(5), Daniella C. Bardalez Gagliuffi(5), Adam C. Schneider(5), Aaron Meisner(5), Marc J. Kuchner(5), Dan Caselden(5), Eileen C. Gonzales(5), Eric Gaidos(5), Jon M. Jenkins(5)