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Long term period behaviour of contact binaries

Published online by Cambridge University Press:  04 August 2017

H. D. Kennedy
H. D. Kennedy*
Affiliation:
Astronomy Centre Darling Downs Institute of Advanced Education P.O. Darling Heights Toowoomba, Queensland, Australia 4350

Abstract

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Determination of the rate of mass flow in contact binary systems is one of the most important motives for their observation. Many of these binaries are in over-contact configuration with a common equipotential surface located somewhwere between the inner and outer Lagrangian zero-velocity surfaces. Most are active systems displaying frequent lightcurve and period changes resulting in residuals behaviour depictable by intersecting linear segments.

Type
II. Photometric Research Programmes
Information
Symposium - International Astronomical Union , Volume 118: Instrumentation and Research Programmes for Small Telescopes , 1986 , pp. 295
Copyright
Copyright © Reidel 1986