Dynamics and Cycle of Interstellar H2O and OH Masers

We present an improved radiative pumping model for interstellar H2O and OH masers. This overcomes the defects of former radiative models, and is compatible with astronomical conditions. For the regions of strong H2O and OH formation, it is shown that the rotational population is affected by collisio...

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Bibliographic Details
Published inChinese physics letters Vol. 19; no. 8; pp. 1092 - 1095
Main Authors Han-Ping, Liu, Jin, Sun, Wei-Hai, Fang, Thissen, T
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.08.2002
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Summary:We present an improved radiative pumping model for interstellar H2O and OH masers. This overcomes the defects of former radiative models, and is compatible with astronomical conditions. For the regions of strong H2O and OH formation, it is shown that the rotational population is affected by collisions less than by radiation. A reasonable scheme for both regeneration and destruction of interstellar H2O and OH molecules is investigated. It can close the dynamical cycle of interstellar H2O and OH species, and can give an appropriate interpretation for both interstellar H2O and OH masers. This model has been confirmed by experiments.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/19/8/319