3 papers
astro-ph.GA2026
Different paths, same appearance: an intermediate-age red nugget at z~0.13
F. La Barbera, F. Buitrago, I. Ferreras +1
Massive ultra-compact galaxies are commonly regarded as nearby relics of the compact quiescent population at z~2-3, and detailed studies have focused so far only on old systems in…
astro-ph.IM2026
Emergent Denoising of SDSS Galaxy Spectra Through Unsupervised Deep Learning
Oliver Camilleri, Zahra Sharbaf, Ignacio Ferreras
Spectroscopy represents the ideal observational method to maximally extract information from galaxies regarding their star formation and chemical enrichment histories. However, abs…
astro-ph.GA2024
Reconciling concentration to virial mass relations
Dominik Leier, Ignacio Ferreras, Andrea Negri +1
The concentration-virial mass (c-M) relation is a fundamental scaling relation within the standard cold dark matter (CDM) framework well established in numerical simulations. H…