Astrofísicas: Cometas

  • Publicación
    Nuclear Spectra of Comet 162P/Siding Spring (2004 TU12)
    We present visible and near-IR spectra of the nucleus of comet 162P/Siding Spring (also known as 2004 TU12) obtained in 2004 December, while it had no...
  • Publicación
    Nuclear Spectra of Comet 28P Neujmin 1
    We present visible and near-infrared spectra of the nucleus of comet 28P/Neujmin 1, obtained in 2001, 2002, and 2003, while it had no detectable coma. The...
  • Publicación
    Numerical simulations of exocomet transits: Insights from β Pic and KIC 3542116
    In recent years, the topic of existence and exploration of exocomets has been gaining increasing attention. The asymmetrical decrease in the star's brightness...
  • Publicación
    Observational results for eight long-period comets observed far from the Sun
    Context. With this work we start a systematic analysis of the distant activity of several long-period comets in order to investigate the evolution of activity...
  • Publicación
    On the 2001 Splitting of the Nucleus of 51P/Harrington
    The nucleus of 51P/Harrington suffered a major splitting event in Autumn 2001 discovered by amateur José Manteca. The light curve and separation of the...
  • Publicación
    On the Dust Environment of Main-Belt Comet 313P/Gibbs
    We present observations carried out using the 10.4 m Gran Telescopio Canarias and an interpretative model of the dust environment of activated asteroid 313 P...
  • Publicación
    Oort cloud perturbations as a source of hyperbolic Earth impactors
    The observation of interstellar objects 1I/'Oumuamua and 2I/Borisov suggests the existence of a larger population of smaller projectiles that impact our planet...
  • Charla
    Organic grains in cometary comae
    Comets may have played an important role in depositing the organic matter that, between 4,6 and 3,6 billion of years ago, allowed the formation of life on the...
  • Charla
    Origin of two primitive NEAs: (3200) Phaethon and 1998 RQ36
    Understanding the composition and the nature of any asteroid approaching the Earth, and consequently potentially hazardous, is a matter of general interest...