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Massive star disks

Published online by Cambridge University Press:  08 November 2005

Qizhou Zhang
Qizhou Zhang
Affiliation:
Harvard-Smithsonian Center for Astrophysics 60 Garden Street Cambridge, MA 02138 USA email: qzhang@cfa.harvard.edu
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Abstract

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Recent years have seen accumulating evidence for infall and rotation around disk like structures toward young stars of spectral types of early B and possibly late O. Observations indicate that the disks or tori are massive in comparison with the mass of the central stars and geometrically thick. Both properties distinguish them from the disks around low mass stars, in particular T-Tauri type stars.

I review observational techniques used in studying disks around massive young stars and summarize properties of disks derived from observations. I will discuss implications of these findings for the formation of massive stars.

Keywords

Accretionaccretion disksstar: formationISM: HII region
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S227: Massive Star Birth: A Crossroads of Astrophysics , May 2005 , pp. 135 - 144
Copyright
© 2005 International Astronomical Union