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44 GHz Methanol Maser Surveys

Published online by Cambridge University Press:  24 July 2012

S. E. Kurtz
S. E. Kurtz*
Affiliation:
Centro de Radioastronomía y Astrofísica, Universidad Nacional Autonoma de México (Morelia, Michoacán, México) email: [email protected]
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Abstract

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Class I 44 GHz methanol masers are not as well-known, as common, or as bright as their more famous Class II cousins at 6.7 and 12.2 GHz. Nevertheless, the 44 GHz masers are commonly found in high-mass star forming regions. At times they appear to trace dynamically important phenomena; at other times they show no obvious link to the star formation process. Here, we summarize the major observational efforts to date, including both dedicated surveys and collateral observations. The principal results are presented, some that were expected, and others that were unexpected.

Keywords

maserssurveysstars:formation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S287: Cosmic Masers - from OH to H0 , January 2012 , pp. 133 - 140
Copyright
Copyright © International Astronomical Union 2012

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