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Populations of massive stars in galaxies, implications for the stellar evolution theory

Published online by Cambridge University Press:  01 December 2006

Georges Meynet ,
Patrick Eggenberger  and
André Maeder
Georges Meynet
Affiliation:
Geneva Observatory, University of Geneva, CH-1290 Sauverny, Switzerland email: georges.meynet@obs.unige.ch; Andre.Maeder@obs.unige.ch
Patrick Eggenberger
Affiliation:
Liège University, AGO Department, B-4000 Liège 1 email: eggenberger@astro.ulg.ac.be
André Maeder
Affiliation:
Geneva Observatory, University of Geneva, CH-1290 Sauverny, Switzerland email: georges.meynet@obs.unige.ch; Andre.Maeder@obs.unige.ch
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Abstract

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After a brief review of the observational evidences indicating how the populations of Be stars, red/blue supergiants, Wolf-Rayet stars vary as a function of metallicity, we discuss the implications of these observed trend for our understanding of the massive star evolution. We show how the inclusion of the effects of rotation in stellar models improves significantly the correspondence between theory and observation.

Keywords

stars: evolutionrotationearly-typesupergiantsWolf-Rayet
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S241: Stellar Populations as Building Blocks of Galaxies , December 2006 , pp. 13 - 22
Copyright
Copyright © International Astronomical Union 2007

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