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First detection of vibrationally excited water masers toward embedded young stellar objects

Published online by Cambridge University Press:  03 August 2017

Tarja Liljeström ,
Anders Winnberg  and
Roy Booth
Tarja Liljeström
Affiliation:
Helsinki University of Technology, Metsähovi Radio Observatory, Otakaari 5.A, FIN-02150 Espoo, Finland
Anders Winnberg
Affiliation:
Chalmers University of Technology, Onsala Space Observatory, S-43992 Onsala, Sweden
Roy Booth
Affiliation:
Chalmers University of Technology, Onsala Space Observatory, S-43992 Onsala, Sweden

Abstract

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We report the first detection of vibrationally excited water maser emission in the circumstellar envelope of two young stellar objects (W51M, Z CMa). The results suggest that the observed 96 GHz water maser emission traces hot gas in an accretional stage of the protostellar evolution.

Type
Part 1. Star Formation
Information
Symposium - International Astronomical Union , Volume 206: Cosmic Masers: From Protostars to Blackholes , 2002 , pp. 55 - 58
Copyright
Copyright © Astronomical Society of the Pacific 2002 

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