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g Modes in F Stars – A Non-adiabatic Investigation of the Stability of g Modes in ϒ Doradus Stars

Published online by Cambridge University Press:  12 April 2016

Wolfgang Löffler
Wolfgang Löffler*
Affiliation:
Astronomisches Institut der Universität Basel, Venusstrasse 7, CH 4102 Binningen, Switzerland

Abstract

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We investigate a sequence of 1.5 M⊙ models for g-mode instabilities. For the computation of the nonradial, non-adiabatic oscillations we make use of the Riccati method introduced by Glatzel & Gautschy (1992) to integrate the pulsation equations as given by Unno et al. (1989).

Type
Part 6. Variables Close to the Main Sequence
Information
International Astronomical Union Colloquium , Volume 176: The Impact of Large-Scale Surveys on Pulsating Star Research , 2000 , pp. 447 - 448
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

Dziembowski, W.A. 1995, in ASP Conf. Ser. Vol. 83, Astrophysical Applications of Stellar Pulsation, IAU Coll. 155, ed. Stobie, R. S. & Whitelock, P. A. (San Francisco: ASP), comment on p. 79 Google Scholar
Gautschy, A. & Löffler, W. 1996, Delta Scuti Newsletter, 10, 13 Google Scholar
Glatzel, W. & Gautschy, A. 1992, MNRAS, 256, 109 CrossRefGoogle Scholar
Kaye, A.B., Handler, G., Krisciunas, K., Poretti, E., & Zerbi, F.M. 1999, PASP, 111, 840 Google Scholar
Unno, W., Osaki, Y., Ando, H., Saio, H., & Shibahashi, H. 1989, Nonradial Oscillations of Stars, University of Tokyo Press Google Scholar