Influence of overshooting and metallicity on the delta  Scuti and gamma  Doradus instability strips

[en] Computations of theoretical instability strips (IS) for delta Scuti (Sct) and gamma Dor (Dor) stars are presented. The Time-Dependent Convection (TDC) theory of Gabriel (1996) and Grigahcène et al. (2005) is adopted in our models. We are able to obtain the delta Sct and gamma Dor IS. We present a prospective study on the influence of the overshooting and metallicity on the location of these IS in the HR diagram.

Disciplines :

Space science, astronomy & astrophysics

Author, co-author :

Grigahcène, A.; Algiers Observatory, CRAAG, Algiers, Algeria ; Instituto de Astrofísica de Andalucía-CSIC, Granada, Spain

Dupret, Marc-Antoine ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique

Garrido, R.; Instituto de Astrofísica de Andalucía-CSIC, Granada, Spain

Gabriel, Maurice ; Département d'astrophys., géophysique et océanographie (AGO)

Language :

English

Title :

Influence of overshooting and metallicity on the delta Scuti and gamma Doradus instability strips

Publication date :

2006

Journal title :

Memorie della Societa Astronomica Italiana

ISSN :

0037-8720

Publisher :

Societa Astronomica Italiana, Milano, Italy

Volume :

Pages :

129

Additional URL :

http://adsabs.harvard.edu/abs/2006MmSAI..77..129G

Available on ORBi :

since 10 November 2010

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