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Circumstellar OH Masers

Published online by Cambridge University Press:  04 August 2017

R. S. Booth ,
P. J. Diamond  and
R. P. Norris
R. S. Booth
Affiliation:
Cnsala Space Observatory S-439 00 Onsala, Sweden
P. J. Diamond
Affiliation:
Cnsala Space Observatory S-439 00 Onsala, Sweden
R. P. Norris
Affiliation:
Nuffield Radio Astronomy Laboratories Jodrell Bank, Macclesfield, Cheshire SK11 9DL, United Kingdom

Abstract

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Synthesis maps of stellar OH maser emission have revealed that the OH lies in expanding spherical shells typically about 1016 cm in diameter. From the maps and the expansion velocity, derived from the OH spectrum, stellar mass loss rates may be determined. Typical values are 10−5 M⊙/yr. An important application of the stellar OH masers is in the estimation of stellar distances.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 110: VLBI and Compact Radio Sources , 1984 , pp. 313 - 318
Copyright
Copyright © Reidel 1984 

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