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A model for maser line profiles of late-type stars

Published online by Cambridge University Press:  04 August 2017

J.R.D. Lépine
J.R.D. Lépine*
Affiliation:
Instituto Astronomico e Geofisico -U S P, Caixa Postal 30627, O1051 Sao Paulo Brazil

Abstract

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The profiles of maser lines from spherically symmetric expanding shells are computed with the help of a simple model. It is shown that a beaming effect must be taken into account in order to correctly account for the OH profiles of type II OH stars.

Type
Circumstellar Shells and Envelopes
Information
Symposium - International Astronomical Union , Volume 122: Circumstellar Matter , 1987 , pp. 249 - 251
Copyright
Copyright © Reidel 1987 

References

Elitzur, M., Soldreich, P., Scoville, N., 1976, Astrophys. J. 205, 384.CrossRefGoogle Scholar
Reid, M.J., Huhleman, D.O., Moran, J.M., Johnston, K.J., Schwartz, P.R., 1977, Astrophys. J. 214, 60.CrossRefGoogle Scholar