Astrophysical: Comets

  • Publication
    The active centaur 2020 MK<SUB>4</SUB>
    Context. Centaurs go around the Sun between the orbits of Jupiter and Neptune. Only a fraction of the known centaurs have been found to display comet-like...
  • Publication
    The activity of comet C/2007 D1 (LINEAR) at 9.7 AU from the Sun
    Aims: We report on the unusual distant activity of the dynamically new comet C/2007 D1 (LINEAR), observed at rh = 9.7 AU post-perihelion. This comet is...
  • Publication
    The activity of comet C/2007 D1 (LINEAR) at 9.7 AU from the Sun (Corrigendum)
    Based on observations collected at the Italian Telescopio Nazionale Galileo (TNG), operated on the island of La Palma by the Centro Galileo Galilei of the INAF...
  • Publication
    The Breakup of C/1999 S4 (Linear), Days 0-10
    The evolution of the morphology of C/1999 S4 (LINEAR) is examined from a series of images taken from shortly before the disruption of the nucleus until 10 days...
  • Publication
    The Castalia mission to Main Belt Comet 133P/Elst-Pizarro
    We describe Castalia, a proposed mission to rendezvous with a Main Belt Comet (MBC), 133P/Elst-Pizarro. MBCs are a recently discovered population of apparently...
  • News
    The comet NEOWISE from the Canaries
    During the month of July we will be able to see comet c/2020 F3 (NEOWISE) with the naked eye from the Canaries and from the Peninsula.
  • Publication
    The cometary contribution to planetary impact rates
    We use statistics on the nuclear magnitudes of Jupiter Family comets to derive the number of km-sized members with perihelion distances less than 2 AU. When...
  • Publication
    The Dust Environment of Main-Belt Comet P/2010 R2 (La Sagra)
    We present a model of the dust environment of Main-Belt Comet P/2010 R2 (La Sagra) from images acquired during the period 2010 October-2011 January. The tails...
  • Publication
    The Dust Environment of Main-Belt Comet P/2012 T1 (PANSTARRS)
    The Main-Belt Comet P/2012 T1 (PANSTARRS) has been imaged using the 10.4 m Gran Telescopio Canarias and the 4.2 m William Herschel Telescope at six epochs in...