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Physical properties of Class I methanol masers

Published online by Cambridge University Press:  16 July 2018

Silvia Leurini  and
Karl M. Menten
Silvia Leurini
Affiliation:
INAF - Osservatorio Astronomico di Cagliari, Via della Scienza 5, 09047, Selargius (CA), Italy email: sleurini@oa-cagliari.inaf.it
Karl M. Menten
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf Dem Hügel 69, 53121, Bonn, Germany email: kmenten@mpifr.de
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Abstract

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As first realised in the late 1980s, methanol masers come in two varieties, termed Class I and Class II. While Class II masers had observationally been extensively studied in the past, until recently relatively little attention was paid to Class I methanol masers due to their low luminosities compared to other maser transitions. In this review, we will focus on the recent progress in our understanding of Class I methanol masers both from an observational and from a theoretical point of view.

Keywords

masersISM: molecules

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