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Mass-Losing Peculiar Red Giants: The Comparison Between Theory and Observations

Published online by Cambridge University Press:  12 April 2016

M. Jura
M. Jura*
Affiliation:
Department of Astronomy, University of California, Los AngelesCA 90024

Abstract

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The mass loss from evolved red giants is considered. It seems that red giants on the Asymptotic Giant Branch (AGB) are losing between 3 and 6 10-4 MΘ kpc-2 yr-1 in the solar neighborhood. If all the main sequence stars between 1 and 5 MΘ ultimately evolve into white dwarfs with masses of 0.7 MΘ the predicted mass loss rate in the solar neighborhood from these stars is 8 10-4 MΘ kpc-2 yr-1. Although there are still uncertainties, it appears that there is no strong disagreement between theory and observation. However, it could also be that we have not yet identified much of the source of the mass-loss from pre-white dwarf stars.

Type
5. Chromospheres, Winds and Mass Loss
Information
International Astronomical Union Colloquium , Volume 106: Evolution of Peculiar Red Giant Stars , 1989 , pp. 339 - 347
Copyright
Copyright © Cambridge University Press 1989

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