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Changes in the Light Curves of Short-Period W Ursae Majoris Binaries: Program Summary

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Russell M. Genet

Orion Observatory, 4996 Santa Margarita Lake Road, Santa Margarita, CA 93453

Thomas C. Smith

Dark Ridge Observatory, 5456 Bolsa Road, Atascadero, CA 93422

Dirk Terrell

Southwest Research Institute, 1050 Walnut Street #400, Boulder, CO 80302

Laurance Doyle

SETI Institute, 515 N. Whisman Avenue, Mountain View, CA 94043

Presented at the 94th Spring Meeting of the AAVSO, March 25, 2005; received June 1, 2005; revised June 25, 2005; accepted June 25, 2005

Abstract  We are observing and analyzing changes in the light curves of a few W Ursae Majoris binaries. This paper summarizes the objectives of our program and the rationale behind our choice of stars and observational strategy. It also describes, briefly, our approach to the seasonal optimization of our reductions, and our two primary analytic approaches (phase-bin and Wilson-Devinney).

Link to ADS abstract, article and citation information