Astrophysical: Comets

  • Talk
    Small bodies and big impacts: comets, asteroids, and the origin of water and organics on Earth
    The role of asteroids and comet impacts on the origin of Earth’s water and organic molecules is reviewed. Earth is believed to have formed dry, and magma oceans...
  • Publication
    Solar oscillations and the effect of a comet impact
    If such external influences as the impact of a comet on the solar surface could destroy or mask the coherence of observed solar oscillations, the scope and...
  • Publication
    Spectral properties of asteroids in cometary orbits
    Aims: In this paper we analyze the spectra of a sample of asteroids in cometary orbits (ACOs) in order to understand the relationship between them, the Jupiter...
  • Publication
    Spectral properties of asteroids in cometary orbits
    A&A 481, 861-877 (2008), DOI: 10.1051/0004-6361:20078340
  • 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...