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Title: From methanol masers to hot molecular cores
Authors: Burton, M.G.
Walsh, A.J.
Balasubramanyam, R.
Issue Date: Oct-2002
Publisher: Astronomical Society of the Pacific
Citation: ASP Conference Series, 2002, Vol.267, p355
Abstract: We have found that methanol masers provide a signpost to the very earliest stages of the massive star formation process, before the onset of the UCHII region phase. They are invariably associated with embedded sources whose bolometric luminosities suggest they will soon become OB stars. Outflows frequently occur, and hot molecular cores are also associated with them. The absence of nearby UCHII regions implies that some cores must be internally heated. We also find cold sub-mm cores that do not have any other signposts of star formation. We suggest these may represent the earliest stages in the massive star formation process, soon after cloud collapse has begun.
Description: Restricted Access. Hot Star Workshop III: The Earliest Stages of Massive Star Birth. ASP Conference Proceedings, Vol. 267. Ed. Paul A. Crowther. San Francisco, Astronomical Society of the Pacific, 2002.
ISBN: 1-58381-107-9
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Copyright: 2002 Astronomical Society of the Pacific
Appears in Collections:Research Papers (A&A)

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