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Paper: Influence of spots on O-C diagrams of close eclipsing binary stars
Volume: 292, Interplay of Periodic, Cyclic and Stochastic Variability in Selected Areas of the H-R Diagram
Page: 163
Authors: Rovithis-Livaniou, H.; Kalimeris, A.; Rovithis, P.
Abstract: The influence of dark spots in close eclipsing binaries is examined. We show that the O'Connell efect is much greater if the spot lies on the primary component. It is also shown that this phase shift is not capable of modulating variations in the O-C diagrams of close eclipsing binaries. This means that spots cannot cause orbital period changes.
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