Astrophysical: Comets

  • Publication
    Spectroscopic and dynamical properties of comet C/2018 F4, likely a true average former member of the Oort cloud
    Context. The population of comets hosted by the Oort cloud is heterogeneous. Most studies in this area have focused on highly active objects, those with small...
  • Publication
    Spectroscopic observations of new Oort cloud comet 2006 VZ13 and four other comets
    Spectral data are presented for comets 2006 VZ13 (LINEAR), 2006 K4 (NEAT), 2006 OF2 (Broughton), 2P/Encke and 93P/Lovas I, obtained with the Cerro Tololo Inter...
  • Publication
    Spitzer observations of the asteroid-comet transition object and potential spacecraft target 107P (4015) Wilson-Harrington
    Context: Near-Earth asteroid-comet transition object 107P/ (4015) Wilson-Harrington is a possible target of the joint European Space Agency (ESA) and Japanese...
  • Publication
    Structures in the dust coma of comet C/1999 T1 (McNaught-Hartley) from Jan. 26 to Feb. 05, 2001
    Aims: An in depth analysis of the images acquired in broad-band optical and infrared observations in the R, I, and J, H, Ks bands of comet C/199T1 (McNaught...
  • Publication
    Testing the comet nature of main belt comets. The spectra of 133P/Elst-Pizarro and 176P/LINEAR
    Context. Dynamically, 133P/Elst-Pizarro and 176P/LINEAR are main belt asteroids, likely members of the Themis collisional family, and unlikely of cometary...
  • Publication
    The 1991 outburst of Comet P/Metcalf-Brewington: A study of the light curve
    The light curve of the outburst of Comet P/Metcalf-Brewington (1991 I) is investigated. The parameters of the light curve are quite uncertain as it may be...
  • 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...