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The VW Cephei System

Published online by Cambridge University Press:  12 April 2016

Albert P. Linnell  and
B.R. Pettersen
Albert P. Linnell
Affiliation:
Department of Physics and Astronomy, Michigan State University, East Lansing, MI U8824, USA
B.R. Pettersen
Affiliation:
Department of Physics and Astronomy, Michigan State University, East Lansing, MI U8824, USA

Extract

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It is well known that the original Lucy CCE model (Lucy, 1968a, 1968b) was unable to represent W-subclass light curves of W Ursae Majoris stars. Lucy's zero order barotropic model, with gray atmosphere limb darkening produces a deeper transit eclipse and zero color variation with phase. These predictions disagree with observation. Changing the limb darkening coefficient alone, within acceptable limits, cannot deepen occultation eclipse enough to make it deeper than the transit eclipse, as observations require.

Type
Session III: Observed Activity in Related Objects
Information
International Astronomical Union Colloquium , Volume 71: Activity in Red-Dwarf Stars , 1983 , pp. 479 - 480
Copyright
Copyright © Reidel 1983

References

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