Date Presented:

2013/09/1

Abstract:

New variable stars were discovered at the University of Athens Observatory, during data reduction in the frame of BVRI CCD observations of the eclipsing variable stars between August 2012 and June 2013. The photometric data were used in order to classify the new variables and calculate their principle photometric properties, such as their orbital period and amplitude of variation. All new discoveries are classified as contact eclipsing binaries of W UMa-type. New times of minimum light are determined and the astronomical ephemeris is calculated for each individual system.

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