ChJAA Vol 1, No 5 (2001) / Xu

A Possible Origin of 6.7 GHz Linear Methanol Maser Sources

Ye Xu

Abstract

We present a model which explains the observed multi-linear spatial structures with different velocity gradients of the 50–61A+ methanol line at 6.7 GHz. We consider this and other hypotheses and conclude that the methanol maser emission probably comes from some thin rings variously inclined to the line of sight.

Keywords


masers --- stars: circumstellar matter --- stars: formation

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