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A Search for β Cephei Pulsation in Extreme Composition Models

Published online by Cambridge University Press:  07 February 2017

Arthur N. Cox  and
James E. Tabor
Arthur N. Cox
Affiliation:
University of California, Los Alamos Scientific Laboratory, Los Alamos, N.M., U.S.A.
James E. Tabor
Affiliation:
University of California, Los Alamos Scientific Laboratory, Los Alamos, N.M., U.S.A.

Abstract

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Following Davey (1973), we have considered the linear radial pulsational stability of stellar models in the region of the HR diagram populated by β Cephei stars. Instead of one composition, however, we have considered many compositions, some of them rather extreme. No consideration of composition changes for temperatures above a few-million degrees was given, and therefore the stellar structure and its pulsational stability may not be evaluated very accurately. Modulation of nuclear reactions was also neglected. In no case was radial pulsational instability found.

Type
Part II Pulsation and the Young Disc Population
Information
Symposium - International Astronomical Union , Volume 59: Stellar Instability and Evolution , 1974 , pp. 73
Copyright
Copyright © Reidel 1974 

References

Davey, W. R.: 1973, Astrophys. J. 179, 235.Google Scholar