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Evolution models of red supergiants

Published online by Cambridge University Press:  28 July 2017

Cyril Georgy Open the ORCID record for Cyril Georgy [Opens in a new window]
Cyril Georgy*
Affiliation:
Department of Astronomy, University of Geneva, Chemin des Maillettes 51, 1290 Versoix, Switzerland email: cyril.georgy@unige.ch
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Abstract

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The red supergiant (RSG) phase is a key stage for the evolution of massive stars. The current uncertainties about the mass-loss rates of these objects make their evolution far to be fully understood. In this paper, we discuss some of the physical processes that determine the duration of the RSG phase. We also show how the mass loss affect their evolution, and can allow for some RSGs to evolve towards the blue side of the Hertzsprung-Russell diagram. We also propose observational tests that can help in better understanding the evolution of these stars.

Keywords

stars: evolutionstars: interiorsstars: luminosity functionstars: mass losssupergiantsconvection
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S329: The Lives and Death-Throes of Massive Stars , November 2016 , pp. 193 - 198
Copyright
Copyright © International Astronomical Union 2017 

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