Article (Scientific journals)
The driving mechanism of roAp stars
Dupret, Marc-Antoine; Théado, S.; Noels-Grötsch, Arlette
2008In Journal of Physics. Conference Series, 118, p. 2052
 

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Abstract :
[en] We analyse in detail the driving mechanism of roAp stars and present the theoretical instability strip predicted by our models with solar metallicity. A particular attention is given to the interpretation of the role played by the different eigenfunctions in the stabilization of the modes at the red edge of the instability strip. The gradient of temperature in the H[SUB]I[/SUB] opacity bump appears to play a major role in this context. We also consider the particular and complex role played by the shape of the eigenfunctions (location of the nodes, ...).
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
Théado, S.;  Institut d'Astrophysique et Géophysique, Université de Liège, Belgium
Noels-Grötsch, Arlette ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Language :
English
Title :
The driving mechanism of roAp stars
Publication date :
01 October 2008
Journal title :
Journal of Physics. Conference Series
ISSN :
1742-6588
eISSN :
1742-6596
Publisher :
Institute of Physics, United Kingdom
Volume :
118
Pages :
2052
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