The first photometric analyses and classification of the W-UMa eclipsing binary systems GSC 1283-53 and GSC 702-1892
Essam, A., Nakhlawy, A., Rassem, M. (2013). The first photometric analyses and classification of the W-UMa eclipsing binary systems GSC 1283-53 and GSC 702-1892. EKB Journal Management System, 2(1), 1-7. doi: 10.1016/j.nrjag.2013.06.002
A. Essam; A. Nakhlawy; M.A. Rassem. "The first photometric analyses and classification of the W-UMa eclipsing binary systems GSC 1283-53 and GSC 702-1892". EKB Journal Management System, 2, 1, 2013, 1-7. doi: 10.1016/j.nrjag.2013.06.002
Essam, A., Nakhlawy, A., Rassem, M. (2013). 'The first photometric analyses and classification of the W-UMa eclipsing binary systems GSC 1283-53 and GSC 702-1892', EKB Journal Management System, 2(1), pp. 1-7. doi: 10.1016/j.nrjag.2013.06.002
Essam, A., Nakhlawy, A., Rassem, M. The first photometric analyses and classification of the W-UMa eclipsing binary systems GSC 1283-53 and GSC 702-1892. EKB Journal Management System, 2013; 2(1): 1-7. doi: 10.1016/j.nrjag.2013.06.002

The first photometric analyses and classification of the W-UMa eclipsing binary systems GSC 1283-53 and GSC 702-1892

NRIAG Journal of Astronomy and Geophysics
Volume 2, Issue 1, June 2013, Pages 1-7    PDF (3.26 M)
DOI: 10.1016/j.nrjag.2013.06.002
Authors
A. Essam; A. Nakhlawy; M.A. Rassem
Abstract
New CCD observations of the W UMa type binary systems GSC 1283-53 and GSC 702-1892 have been analyzed using the Wilson–Devinney Code to determine their photometric and geometric elements. The results show that the system GSC 1283-53 may be classified as A-subtype W UMa eclipsing binary with a photometric mass ratio q = 0.277, and the degree of over contact f = 83.5%. While the system GSC 702-1892 is found to be a detached eclipsing binary with the photometric mass ratio q = 0.49.
Keywords
Stars; Binaries; Eclipsing-stars; Eclipsing binary; W-UMa binary system
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