CCD photometric study of the misclassified binary system V380 Cas

Mathematics – Probability

Scientific paper

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Scientific paper

A photometric study of the eclipsing binary V380 Cas is presented for the first time with the 35.5cm Schmidt-Cassegrain telescope at the University of Patras, Observatory from June 2009 to July 2010. The BVRI light curves were observed and 7 new minima were calculated. No secondary minimum has been detected, indicating that its original period was wrong. The complete light curves are analyzed with the Wilson-Devinney code (PHOEBE) and the first photometric solution is derived. The system is probably a detached one with equal components and double period, contrary to its previous classification as Algol type. The first O-C analysis of the system based on all timings of minima is presented and the first precision ephemeris is estimated. Also the probability of third light is examined from both O-C and photometric solution.

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