ArXiv TLDR

Mauro Giavalisco

3 papers ยท Latest:

Galaxies & Cosmology

Using Ly$ฮฑ$ Transmitted Spectrum to Probe IGM Transmission and Identify Ionized Structures in Cosmic Reionization

This paper uses JWST/NIRSpec to measure intergalactic medium transmission and identify a large ionized bubble during cosmic reionization.

2605.02539
Galaxies & Cosmology

Prevailing 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
Galaxies & Cosmology

Do little red dots really form a distinct class of astronomical objects?

New research suggests "Little Red Dots" are not a unique class of astronomical objects but rather the extreme end of a continuous galaxy distribution.

2604.11677

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