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Winds from Red Giants

Published online by Cambridge University Press:  12 April 2016

Yu. A. Fadeyev
Yu. A. Fadeyev*
Affiliation:
Astronomical Council of the USSR Academy of Sciences, Pyatnitskaya 48 Moscow 109017USSR

Abstract

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Two principal mechanisms that may be responsible for mass loss from red giants are considered: shock wave-driven winds and radiatively (dust)-driven winds. Effect of the periodic shocks accompanying nonlinear oscillations of red giants is most prominent in the outer layers of the stellar atmosphere where shocks are able not only to expel gas but also increase gas density so that some molecular components become supersaturated. In O-rich stars the most abundant condensible species are silicon monoxide and iron, whereas in C-rich stars these are carbon, silicon carbide and iron.

Type
Part II. Mass-Losing Stars in Different Stages of Evolution
Information
International Astronomical Union Colloquium , Volume 108: Atmospherics Diagnostics of Stellar Evolution: Chemical Peculiarity, Mass Loss, and Explosion , 1988 , pp. 174 - 180
Copyright
Copyright © Springer-Verlag 1988

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