Astrophysical: Dark matter

  • Publication
    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...

  • Talk
    A large spectroscopic survey facility at GTC for the next decade

    In the next decade astronomers will attempt to constrain the nature of dark matter, dark energy and the (perhaps inflationary) processes which generated...

  • News
    A mechanism for removing dark matter from galaxies has been found

    The small fraction of dark matter in the galaxy NGC1052-DF4 has worried the astronomical community for several years. Now a team of researchers from the...

  • Publication
    A prescription for the conditional mass function of dark matter haloes

    The unconditional mass function (UMF) of dark matter haloes has been determined accurately in the literature, showing excellent agreement with high-resolution...

  • Publication
    A search for dark matter in Triangulum II with the MAGIC telescopes

    We present the first results from very-high-energy observations of the dwarf spheroidal satellite candidate Triangulum II with the MAGIC telescopes from 62.4 h...

  • Publication
    A search for pair production of new light bosons decaying into muons

    A search for the pair production of new light bosons, each decaying into a pair of muons, is performed with the CMS experiment at the LHC, using a dataset...

  • News
    A step forward to solve the mystery of ultra-diffuse galaxies

    A study by the Instituto de Astrofísica de Canarias (IAC), led by researchers Nushkia Chamba, Ignacio Trujillo and Johan H. Knapen, reveals that the enigmatic...

  • Publication
    Abundance of LIGO/Virgo Black Holes from Microlensing Observations of Quasars with Reverberation Mapping Size Estimates

    Assuming a population of black holes (BHs) with masses in the range inferred by LIGO/Virgo from BH mergers, we use quasar microlensing observations to estimate...

  • News
    ALLAN SANDAGE: “La materia oscura podría estar constituida por rocas”

    Trabajar con Edwin Hubble y medir la constante de Hubble le han elevado al olimpo de la ciencia astronómica. Norteamericano de Iowa, donde nació en 1926...