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Long-Term Variation of Be Stars on the Color-Magnitude Diagram

Published online by Cambridge University Press:  14 August 2015

Ryuko Hirata
Ryuko Hirata*
Affiliation:
DEPEG, Observatoire de Paris, Meudon, on leave from Department of Astronomy, University of Kyoto, Japan

Abstract

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The ratios α=ΔV/Δ(B-V) and β=Δ(U-B)/Δ(B-V) for the long-term variation of Be stars have been derived. The inclination effect on α is found. The dependence of α on the spectral type is also inferred. The signs of α and β are essentially the same.

Type
I. Photometry
Information
Symposium - International Astronomical Union , Volume 98: Be Stars , 1982 , pp. 41 - 44
Copyright
Copyright © Reidel 1982 

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