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UNIFIED CATALOGUE OF CLASS II METHANOL MASERS AT 6 GHz

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Abstract:

In this paper we present a unified catalogue which contains published data about class II methanol masers at 6 GHz. Our catalogue contains information about 495 maser sources. The data on some parameters of emission in "quasi-thermal" molecular lines CS(2-1) and SiO(2-1) is also included in our catalogue.

Using the unified catalogue we studied correlations between some parameters of the sources. Analysis of the data shows the following: physical conditions within the usual maser source vary considerably; maser brightness is determined by parameters of some distinguished part of the object - maser formation region; class II methanol masers are formed not in the shocks but in the regions affected by their propagation.

Keywords: ISM; Methanol masers; Star formation

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/1055679021000017367

Affiliations: Ural State University, 620083 Ekaterinburg, Lenin av. 51, Russia

Publication date: February 1, 2003

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