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A circumstellar disk associated with a massive protostellar object

Author

Listed:
  • Zhibo Jiang

    (Chinese Academic of Sciences)

  • Motohide Tamura

    (National Astronomical Observatories of Japan)

  • Misato Fukagawa

    (National Astronomical Observatories of Japan)

  • Jim Hough

    (University of Hertfordshire, College Lane)

  • Phil Lucas

    (University of Hertfordshire, College Lane)

  • Hiroshi Suto

    (National Astronomical Observatories of Japan)

  • Miki Ishii

    (National Astronomical Observatories of Japan)

  • Ji Yang

    (Chinese Academic of Sciences)

Abstract

Reach for the stars There are two competing theories to explain how high-mass stars form: either they arise from mergers of low-mass younger stellar objects or, like low-mass stars, they arise by accretion from a circumstellar disk. The latter theory gets a boost from new observations of disks of dust and molecular gas around two high-mass protostars. A 15-solar-mass protostar in the Cepheus A region, and the 7-solar-mass Becklin–Neugebauer object in the famous star-forming region in Orion appear well on the way to star formation by accretion.

Suggested Citation

  • Zhibo Jiang & Motohide Tamura & Misato Fukagawa & Jim Hough & Phil Lucas & Hiroshi Suto & Miki Ishii & Ji Yang, 2005. "A circumstellar disk associated with a massive protostellar object," Nature, Nature, vol. 437(7055), pages 112-115, September.
    • Handle: RePEc:nat:nature:v:437:y:2005:i:7055:d:10.1038_nature04012
    DOI: 10.1038/nature04012
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