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A hot compact dust disk around a massive young stellar object

Author

Listed:
  • Stefan Kraus

    (University of Michigan)

  • Karl-Heinz Hofmann

    (Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany)

  • Karl M. Menten

    (Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany)

  • Dieter Schertl

    (Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany)

  • Gerd Weigelt

    (Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany)

  • Friedrich Wyrowski

    (Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany)

  • Anthony Meilland

    (Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
    Laboratoire Hippolyte Fizeau, UMR 6525, Université de Nice Sophia-Antipolis CNRS, Observatoire de la Côte d’Azur, Parc Valrose, 06108 Nice cedex 2, France)

  • Karine Perraut

    (Laboratoire d'Astrophysique de Grenoble, UMR 5571, Université Joseph Fourier CNRS, BP 53, 38041 Grenoble cedex 9, France)

  • Romain Petrov

    (Laboratoire Hippolyte Fizeau, UMR 6525, Université de Nice Sophia-Antipolis CNRS, Observatoire de la Côte d’Azur, Parc Valrose, 06108 Nice cedex 2, France)

  • Sylvie Robbe-Dubois

    (Laboratoire Hippolyte Fizeau, UMR 6525, Université de Nice Sophia-Antipolis CNRS, Observatoire de la Côte d’Azur, Parc Valrose, 06108 Nice cedex 2, France)

  • Peter Schilke

    (I. Physikalisches Institut, Universität zu Köln, Zülpicher Strasse 77, 50937 Cologne, Germany)

  • Leonardo Testi

    (INAF-Osservatorio Astrofisico di Arcetri, Largo Fermi 5, 50125 Firenze, Italy)

Abstract

High-mass stars on disk Crucial aspects about the life cycle of high-mass stars remain unclear, in particular the early evolutionary phases. For instance, it is still debated whether high-mass stars form in the same way as low- and intermediate-mass stars, through disk accretion, and if so, whether the structure of these disks would differ from their low-mass counterparts. New observations from the Very Large Telescope Interferometer at the European Southern Observatory now reveal a hot compact disk around a massive young stellar object, the protostar IRAS 13481-6124. The image shows an elongated structure about 13 × 19 astronomical units in size, consistent with a disk seen at an inclination angle of ∼45°, the properties of which are qualitatively and quantitatively similar to the disks observed during the formation of low-mass stars.

Suggested Citation

  • Stefan Kraus & Karl-Heinz Hofmann & Karl M. Menten & Dieter Schertl & Gerd Weigelt & Friedrich Wyrowski & Anthony Meilland & Karine Perraut & Romain Petrov & Sylvie Robbe-Dubois & Peter Schilke & Leon, 2010. "A hot compact dust disk around a massive young stellar object," Nature, Nature, vol. 466(7304), pages 339-342, July.
    • Handle: RePEc:nat:nature:v:466:y:2010:i:7304:d:10.1038_nature09174
    DOI: 10.1038/nature09174
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