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Title: Improved ephemeris of poorly studied eclipsing binary GSC 3950-00707 = 2MASS J20355082+5242136
Authors: Savastru, S. V.
Marsakova, V. I.
Andrych, K. D.
Dubovsky, P. A.
Citation: Odessa Astronomical publications = Одесские астрономические публикации = Одеські астрономічні публікації
Issue Date: 2017
Publisher: Одеський національний університет імені І. І. Мечникова
Keywords: eclipsing variable stars
W UMa – type
GSC 3950-00707
Series/Report no.: ;Vol. 30.
Abstract: We made our CCD-observations of GSC 3950-00707 by using the telescope Celestron-14 of Vihorlat Observatory and Astronomical Observatory on Kolonica Saddle. The moments of minima were calculated by using the symmetrical polynomial fit. We also analyzed the observations from automated surveys ASAS-SN and found 3 mean minima by using trigonometrical polynomial fit. The analysis of our observations and data from the surveys allows to conclude that it is the W UMa-type variable and its published period value is not accurate. We analyzed the O-C curve and corrected the elements.
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Appears in Collections:Odessa Astronomical Publications

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