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Asteroseismology of Massive Stars: Some Words of Caution

Published online by Cambridge University Press:  23 January 2015

A. Noels ,
M. Godart ,
S. J. A. J. Salmon ,
M. Gabriel ,
J. Montalbán  and
A. Miglio
A. Noels
Affiliation:
Institut d'Astrophysique et de Géophysique, Liège University, Allée du 6 Août, 17, B-4000 Liège, Belgium email: Arlette.Noels@ulg.ac.be
M. Godart
Affiliation:
Dept. of Astronomy, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku Tokyo, 113-0033, Japan
S. J. A. J. Salmon
Affiliation:
Institut d'Astrophysique et de Géophysique, Liège University, Allée du 6 Août, 17, B-4000 Liège, Belgium email: Arlette.Noels@ulg.ac.be
M. Gabriel
Affiliation:
Institut d'Astrophysique et de Géophysique, Liège University, Allée du 6 Août, 17, B-4000 Liège, Belgium email: Arlette.Noels@ulg.ac.be
J. Montalbán
Affiliation:
Institut d'Astrophysique et de Géophysique, Liège University, Allée du 6 Août, 17, B-4000 Liège, Belgium email: Arlette.Noels@ulg.ac.be
A. Miglio
Affiliation:
School of Physics and Astronomy, University of Birmingham, Birmingham, B15 2TT, UK
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Abstract

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Although playing a key role in the understanding of the supernova phenomenon, the evolution of massive stars still suffers from uncertainties in their structure, even during their “quiet” main sequence phase and later on during their subgiant and helium burning phases. What is the extent of the mixed central region? In the local mixing length theory (LMLT) frame, are there structural differences using Schwarzschild or Ledoux convection criterion? Where are located the convective zone boundaries? Are there intermediate convection zones during MS and post-MS phase, and what is their extent and location? We discuss these points and show how asteroseismology could bring some light on these questions.

Keywords

stars: evolutionstars: interiorsstars: oscillations (including pulsations)stars: variables: massive starsstars: mass loss
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Issue S307: New windows on massive stars: asteroseismology, interferometry, and spectropolarimetry , June 2014 , pp. 470 - 479
Copyright
Copyright © International Astronomical Union 2015 

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