Article (Scientific journals)
Nonradial nonadiabatic stellar pulsations: A numerical method and its application to a beta Cephei model
Dupret, Marc-Antoine
2001In Astronomy and Astrophysics, 366, p. 166-173
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Keywords :
STARS: INTERIORS; STARS: OSCILLATIONS
Abstract :
[en] A new general method for the computation of nonradial nonadiabatic oscillations of a given stellar model is presented for a linear approximation. A simple and useful modelling of the atmosphere is included, allowing to obtain credible values for the eigenfunctions in the atmosphere. Some of the results obtained for a 10 M[SUB]sun[/SUB] model are shown as an illustration. Our study opens the way to different applications. Better theoretical line-profile variations could be obtained from our method, allowing a more detailed comparison with observations. More generally, our study is relevant for asteroseismology, giving a way for a better knowledge of stellar interiors.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Dupret, Marc-Antoine ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique
Language :
English
Title :
Nonradial nonadiabatic stellar pulsations: A numerical method and its application to a beta Cephei model
Publication date :
01 January 2001
Journal title :
Astronomy and Astrophysics
ISSN :
0004-6361
eISSN :
1432-0746
Publisher :
EDP Sciences, Les Ulis, France
Volume :
366
Pages :
166-173
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 10 November 2010

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