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A Nonlinear Pulsation Model for V652 Her

Published online by Cambridge University Press:  12 April 2016

Yu. A. Fadeyev and
A. E. Lynas-Gray
Yu. A. Fadeyev
Affiliation:
Institute for Astronomy of the Russian Academy of Sciences, Pyatnitskaya Str. 48, 109017 Moscow, Russia
A. E. Lynas-Gray
Affiliation:
Department of Physics, University of Oxford, 0X1 3RH, England

Abstract

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When compared with observation, stellar pulsation model predictions provide a test of stellar envelope opacities. Of specific interest, is the radially pulsating extreme helium star V652 Her for which luminosity and radial velocity observations are published. Nonlinear pulsation models of V652 Her, calculated using Opacity Project (OP) opacities, predict luminosity and radial velocity variations in close agreement with observation.

Information

Type
Part 2. Poster Papers
Information
International Astronomical Union Colloquium , Volume 155: Astrophysical Applications of Stellar Pulsation , 1995, pp. 435 - 436
Copyright
Copyright © Astronomical Society of the Pacific 1995

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