Raphael Gobat
2 papers · Latest:
Galaxies & Cosmology
Quiescent fractions in high-redshift galaxy groups reflect their hot-or-cold state of gas accretion
High-redshift galaxy groups show quiescent fractions linked to hot vs. cold gas accretion, suggesting environment drives galaxy quenching.
2604.22401
Galaxies & CosmologyPrevailing thermally-pulsing-asymptotic-giant branch stars in the near-infrared rest-frame spectra of distant quiescent galaxies: towards robust galaxy ages and masses
JWST observations confirm the prevalence of TP-AGB stars in distant quiescent galaxies, improving stellar population models and age/mass estimates.
2604.19942
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