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Photometric Observation And Period Study Of Go Cygni
Authors:S M Zabihinpoor  A Dariush  N Riazi
Institution:(1) Biruni Observatory, Shiraz University, Shiraz, 71454, Iran;(2) Islamic Azad University, Neyriz branch, Tehran, Iran;(3) Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran;(4) Physics Department and Biruni Observatory, Shiraz University, Shiraz, 71454, Iran
Abstract:Photometric observations of GO Cyg were performed during July–October 2002, in B and V filters (Johnson system). Using the Wilson's computer codes, the light curve analysis were carried out to find the photometric elements of the system. The O-C diagram which is based on the observed times of minima as well as those found in the literature, suggests a negative rate of period variation (i.e. $$\frac{dP}{dt} <0$$) for the system.
Keywords:eclipsing binaries  light curve analysis  mass transfer
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