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Seismic modelling of OB stars

Published online by Cambridge University Press:  12 July 2011

Marc-Antoine Dupret ,
Mélanie Godart ,
Kevin Belkacem  and
Arlette Noels
Marc-Antoine Dupret
Affiliation:
Institut d'Astrophysique, Géophysique et Océanographie de l'Université de Liège, Allée du 6 Août 17, 4000 Liège, Belgium email: MA.Dupret@ulg.ac.be
Mélanie Godart
Affiliation:
Institut d'Astrophysique, Géophysique et Océanographie de l'Université de Liège, Allée du 6 Août 17, 4000 Liège, Belgium email: MA.Dupret@ulg.ac.be
Kevin Belkacem
Affiliation:
Institut d'Astrophysique, Géophysique et Océanographie de l'Université de Liège, Allée du 6 Août 17, 4000 Liège, Belgium email: MA.Dupret@ulg.ac.be
Arlette Noels
Affiliation:
Institut d'Astrophysique, Géophysique et Océanographie de l'Université de Liège, Allée du 6 Août 17, 4000 Liège, Belgium email: MA.Dupret@ulg.ac.be
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Abstract

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A review of the ability of asteroseismology to probe the internal physics of OB stars is presented. The main constraints that can be obtained from the frequency spectrum in p- and g-modes pulsators are discussed. Next, we consider energetic aspects of the pulsations in OB stars and show how such study also allows to constrain their internal physics. The cases of p-mixed modes (β Cep stars), g-modes (SPB stars), strange modes and stochastically excited modes are considered.

Keywords

stars: evolutionstars: interiorsstars: oscillationsstars: rotationstars: variables: otherturbulenceconvection

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