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The Beta Cephei Variables: Current Problems

Published online by Cambridge University Press:  25 April 2016

R. R. Shobbrook
R. R. Shobbrook*
Affiliation:
Chatterton Astronomy Department, University of Sydney
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Extract

The β Cep variables are characterised by light variations of a few per cent and velocity variations of up to a few tens of km/s over periods of from about 2.5 to 7 hours. Spectral types range from BO to B2 and luminosity classes from IV to II-III, corresponding to masses from 8 to 18 M ⊙. The light and velocity curves are 90° out of phase, so that maximum light (and also maximum temperature) occur at minimum radius.

Type
Invited Papers
Information
Publications of the Astronomical Society of Australia , Volume 3 , Issue 5 , 1979 , pp. 296 - 299
Copyright
Copyright © Astronomical Society of Australia 1979

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