Astrofísicas: Formación de galaxias

  • Publicación
    A Disk and No Signatures of Tidal Distortion in the Galaxy "Lacking" Dark Matter NGC 1052-DF2

    Using ultra-deep imaging (μg = 30.4 mag arcsec-2; 3σ, 10″ × 10″), we probed the surroundings of the first galaxy "lacking" dark matter (DM) KKS2000[04] (NGC...

  • Publicación
    A Duality in the Origin of Bulges and Spheroidal Galaxies

    Studying the resolved stellar populations of the different structural components that build massive galaxies directly unveils their assembly history. We aim at...

  • Publicación
    A Long Time Ago in a Galaxy Far, Far Away: A Candidate z 12 Galaxy in Early JWST CEERS Imaging

    We report the discovery of a candidate galaxy with a photo-z of z ~ 12 in the first epoch of the James Webb Space Telescope (JWST) Cosmic Evolution Early...

  • Publicación
    An Intermediate-age Alpha-rich Galactic Population in K2

    We explore the relationships between the chemistry, ages, and locations of stars in the Galaxy using asteroseismic data from the K2 mission and spectroscopic...

  • Noticia
    Big Data para reconstruir la evolución de la red cósmica

    El Instituto de Astrofísica de Canarias (IAC) ha liderado un equipo internacional que ha desarrollado un algoritmo denominado COSMIC BIRTH para el análisis...

  • Publicación
    CEERS Key Paper. I. An Early Look into the First 500 Myr of Galaxy Formation with JWST

    We present an investigation into the first 500 Myr of galaxy evolution from the Cosmic Evolution Early Release Science (CEERS) survey. CEERS, one of 13 JWST ERS...

  • Publicación
    CEERS Key Paper. IV. A Triality in the Nature of HST-dark Galaxies

    The new capabilities that JWST offers in the near- and mid-infrared (IR) are used to investigate in unprecedented detail the nature of optical/near-IR-faint...

  • Publicación
    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...

  • Publicación
    Discovery of Four Apparently Cold Dusty Galaxies at z = 3.62─5.85 in the COSMOS Field: Direct Evidence of Cosmic Microwave Background Impact on High-redshift Galaxy Observables

    We report Atacama Large Millimeter Array (ALMA) observations of four high-redshift dusty star-forming galaxy candidates selected from far-infrared (FIR)...