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The First Theoretical γ Doradus Instability Strip

Published online by Cambridge University Press:  12 April 2016

Anthony B. Kaye ,
Phillip B. Warner  and
Joyce A. Guzik
Anthony B. Kaye
Affiliation:
ITT Industries, Advanced Engineering and Sciences Division, 1551 Wyoming Blvd., Kirtland Air Force Base, NM 87117, USA Los Alamos National Laboratory, Applied Physics Division, MS F-663, Los Alamos, NM 87545-2345, USA
Phillip B. Warner
Affiliation:
National Optical Astronomy Observatory, 950 North Cherry Ave., Tucson, AZ 85719, USA
Joyce A. Guzik
Affiliation:
Los Alamos National Laboratory, X-2, MS T085, Los Alamos, NM 87545-2345, USA

Abstract

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We present the first theoretical γ Doradus instability strip. We find that our model instability strip agrees very well with the previously established, observationally based, instability strip of Handler & Shobbrook (2002). We stress, as in Guzik et al. (2000), that the convection zone depth plays the major role in the determination of our instability strip. Once this depth becomes too deep or too shallow, the convection zone no longer allows for pulsational instability.

Type
Part 8. New theoretical developments in stellar pulsation and variability
Information
International Astronomical Union Colloquium , Volume 193: Variable Stars in the Local Group , 2004 , pp. 474 - 477
Copyright
Copyright © Astronomical Society of the Pacific 2004

References

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