The first photometric study of semi-detached eclipsing binary V504 Cyg |
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| Institution: | 1. RIAAM Observatory, Research Institute for Astronomy and Astrophysics of Maragha, Maragha, Iran;2. Research Institute for Astronomy and Astrophysics of Maragha, Maragha, Iran;3. Astrophysics Department, Physics Faculty, University of Tabriz, Tabriz, Iran;1. Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8551, Japan;2. Earth-Life Science Institute,Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan;3. Department of Planetology, Graduate School of Science, Faculty of Science, Kobe University 1-1, Rokkodai-cho, Nada-ku, Kobe, Hyogo, 657-8501, Japan;4. RIKEN Advanced Institute for Computational Science, Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan;1. Florida Institute of Technology, Physics and Space Sciences Department, Melbourne, Florida, 32901, USA;2. Florida Institute of Technology, Systems Engineering Department, Melbourne, Florida, 32901, USA;1. Department of Physics, H.R. Institute of Technology, Ghaziabad - 201003, India;2. Uttrakhand Space Application Centre, Dehradun-248006, India;1. Bundesdeutsche Arbeitsgemeinschaft für Veränderliche Sterne e.V. (BAV), Berlin, Germany;2. American Association of Variable Star Observers (AAVSO), Cambridge, USA;3. Department of Theoretical Physics and Astrophysics, Masaryk University, Kotlá?ská 2, 611 37 Brno, Czech Republic |
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| Abstract: | In this paper, we analyze photometry of V504 Cyg semi-detached binary system. For this purpose, after taking the photometric data, primary and secondary minimum and new epoch were calculated. The period of system is found to be 0.3516916 day. Analysis of light curve was performed by PHOEBE software which uses last version of Wilson–Devinney code. 3D model of the system is worked out using Binary Maker software. The O’Connell effect in the light curve is observed and an accurate model of this system is presented by introducing four spots on the components. |
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