EAS Publications Series
Volume 60, 2013Betelgeuse Workshop 2012 The Physics of Red Supergiants: Recent Advances and Open Questions
|Page(s)||31 - 41|
|Section||Structure and Evolution of Massive Stars|
|Published online||23 May 2013|
P. Kervella, T. Le Bertre and G. Perrin (eds)
EAS Publications Series, 60 (2013) 31-41
Red supergiants and stellar evolution
Geneva Observatory, University of Geneva,
Maillettes 51, Sauverny,
2 CRAL, ENS-Lyon, 46 allée d’Italie, 69369 Lyon Cedex 07, France
We review the significant role played by red supergiants (RSGs) in stellar populations, and some challenges and questions they raise for theoretical stellar evolution. We present how metallicity and rotation modify the way stars go to the red part of the Hertzsprung-Russell diagram or come back from it, and how RSGs might keep a trace of their main-sequence evolution. We compare theoretical population ratios with observed ones.
© EAS, EDP Sciences 2013
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