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Two families of exocomets in the β Pictoris system

Author

Listed:
  • F. Kiefer

    (Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) 7095, Institut d’Astrophysique de Paris, 98 bis boulevard Arago, F-75014 Paris, France
    Université Pierre et Marie Curie, UMR 7095, Institut d’Astrophysique de Paris, 98 bis boulevard Arago, F-75014 Paris, France
    School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel)

  • A. Lecavelier des Etangs

    (Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) 7095, Institut d’Astrophysique de Paris, 98 bis boulevard Arago, F-75014 Paris, France
    Université Pierre et Marie Curie, UMR 7095, Institut d’Astrophysique de Paris, 98 bis boulevard Arago, F-75014 Paris, France)

  • J. Boissier

    (Institut de Radioastronomie Millimétrique, 300 rue de la Piscine, 38406 Saint Martin d’Hères, France)

  • A. Vidal-Madjar

    (Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) 7095, Institut d’Astrophysique de Paris, 98 bis boulevard Arago, F-75014 Paris, France
    Université Pierre et Marie Curie, UMR 7095, Institut d’Astrophysique de Paris, 98 bis boulevard Arago, F-75014 Paris, France)

  • H. Beust

    (Université Joseph Fourier-Grenoble 1/CNRS– Institut National des Sciences de l’Univers, Institut de Planétologie et d’Astrophysique de Grenoble, UMR 5274, 414 Rue de la Piscine, 38400 St-Martin d’Hères, France)

  • A.-M. Lagrange

    (Université Joseph Fourier-Grenoble 1/CNRS– Institut National des Sciences de l’Univers, Institut de Planétologie et d’Astrophysique de Grenoble, UMR 5274, 414 Rue de la Piscine, 38400 St-Martin d’Hères, France)

  • G. Hébrard

    (Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) 7095, Institut d’Astrophysique de Paris, 98 bis boulevard Arago, F-75014 Paris, France
    Université Pierre et Marie Curie, UMR 7095, Institut d’Astrophysique de Paris, 98 bis boulevard Arago, F-75014 Paris, France)

  • R. Ferlet

    (Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) 7095, Institut d’Astrophysique de Paris, 98 bis boulevard Arago, F-75014 Paris, France
    Université Pierre et Marie Curie, UMR 7095, Institut d’Astrophysique de Paris, 98 bis boulevard Arago, F-75014 Paris, France)

Abstract

Statistical analysis of over a thousand spectra of the star β Pictoris reveals that it has two kinds of exocomets circling it: old exhausted comets trapped in mean-motion resonance with a massive planet, and fragments of comets.

Suggested Citation

  • F. Kiefer & A. Lecavelier des Etangs & J. Boissier & A. Vidal-Madjar & H. Beust & A.-M. Lagrange & G. Hébrard & R. Ferlet, 2014. "Two families of exocomets in the β Pictoris system," Nature, Nature, vol. 514(7523), pages 462-464, October.
    • Handle: RePEc:nat:nature:v:514:y:2014:i:7523:d:10.1038_nature13849
    DOI: 10.1038/nature13849
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