GSC 4552-1643: a W UMa System With Complete Eclipses

Volume 40 number 2 (2012)

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Dirk Terrell

Department of Space Studies, Southwest Research Institute, 1050 Walnut Street, Suite 300, Boulder, CO 80302; terrell@boulder.swri.edu

John Gross

Sonoita Research Observatory, 1442 E. Roger Road, Tucson, AZ 85719; johngross3@msn.com

Abstract

Observations and analysis of of GSC 4552-1642 are presented and the system is shown to be a W UMa system with complete eclipses. The total/annular nature of the eclipses results in a photometric mass ratio that should be reliable but the light curves do have appreciable amounts of third light.