Astrophysical: Extragalactic astronomy

  • Publication
    A Comprehensive Characterization of Galaxy-cool CGM Connections at z < 0.4 with DESI Year 1 Data
    We investigate the relationships between the cool circumgalactic medium (CGM), traced by Ca II absorption lines, and galaxy properties at z < 0.4 using ∼900,000...
  • Publication
    Concepts for future missions to search for technosignatures
    New and unique opportunities now exist to look for technosignatures (TS) beyond traditional SETI radio searches, motivated by tremendous advances in exoplanet...
  • Publication
    Discovery of Faint Double-peak Hα Emission in the Halo of Low Redshift Galaxies
    Aimed at the detection of cosmological gas being accreted onto galaxies in the local universe, we examined the Hα emission in the halo of 164 galaxies in the...
  • News
    Extragalactic archaeology provides new clues about the formation of the galaxies
    An international review article in which IAC researcher Jesús Falcón Barroso is a contributor, explains how the study of stellar populations in galaxies outside...
  • Publication
    The Dark Energy Survey Data Release 2
    We present the second public data release of the Dark Energy Survey, DES DR2, based on optical/near-infrared imaging by the Dark Energy Camera mounted on the 4...