EAS Publications Series
Volume 60, 2013Betelgeuse Workshop 2012 The Physics of Red Supergiants: Recent Advances and Open Questions
|Page(s)||43 - 50|
|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) 43-50
How the mass-loss rates of red-supergiants determine the fate of massive stars?
CRAL, ENS-Lyon, 46 allée d’Italie, 69364
Lyon Cedex 07,
2 Geneva Observatory, Geneva University, Chemin des Maillettes 51, 1290 Versoix, Switzerland
3 Astronomical Institute, Graduate School of Science, Tohoku University, Sendai, Japan
Mass-loss rates are one of the most relevant parameters determining the evolution of massive stars. In particular, the rate at which the star loses mass during the red-supergiant (RSG) phase is the least constrained by the observations or theory. In this paper, we show how the mass loss during the RSG phase affects the later evolution of the star, as well as the final type of supernova towards which it leads. We also discuss some possibilities to discriminate between blue stars that went through a RSG phase and those which remained in the blue part of the Hertzsprung-Russell diagram.
© EAS, EDP Sciences 2013