Astrophysical: Brown dwarf stars

  • News
    25th anniversary of the discovery of the first brown dwarf
    It is 25 years, now, since the astrophysicists Rafael Rebolo, María Rosa Zapatero-Osorio and Eduardo Marín announced the discovery of the first confirmed brown...
  • Publication
    A spectroscopic test for substellar objects
    We describe a spectroscopic test capable of providing direct confirmation of the substellar nature of brown dwarf candidates. While the conditions for...
  • News
    An ancient brown dwarf in our cosmic neighbourhood
    A study, led by the Instituto de Astrofísica de Canarias (IAC), has confirmed the presence of an unusual metal-poor brown dwarf less than 30 light-years away...
  • News
    Astronomers discover ancient brown dwarf with lithium deposits intact
    A team of researchers at the Instituto de Astrofísica de Canarias (IAC) and the Instituto Nacional de Astrofísica, Óptica y Electrónica (INAOE), Mexico, has...
  • Publication
    Brown dwarfs and extrasolar planets
    Not Available
  • Publication
    Constraints to the masses of brown dwarf candidates form the lithium test
    We present intermediate dispersion (0.7-2.2 A/pixel) optical spectroscopic observations aimed at applying the 'lithium test' to a sample of 10 brown dwarf...
  • News
    MARK MARLEY: “One great challenge when studying planetary atmospheres is clouds, which both brown dwarfs and extrasolar planets have”
    Our planet becomes too small for some scientists, therefore they dedicate their lives to study other worlds much larger than Earth and those that are so massive...
  • News
    Obra de referencia en Exoplanetología
    Investigadores del Instituto de Astrofísica de Canarias coordinan la edición de “Handbook of Exoplanets”, cuatro volúmenes con 160 artículos de especialistas en...
  • News
    Observed: an occultation of a brown dwarf by another
    An international team of astronomers in the project SPECULOOS, dedicated to the search for habitable planets, with scientists participating from the Instituto...