HD183648: a Kepler eclipsing binary with anomalous ellipsoidal variations and a pulsating component

Creators: Derekas, A.; Borkovits, T.; Fuller, J.; Szabó, Gy. M.; Pavlovski, K.; Csák, B.; Dózsa, Á.; Kovács, J.; Szabó, R.; Hambleton, K. M.; Kinemuchi, K.; Kolbas, V.; Kurtz, D. W.; Maloney, F.; Prša, A.; Southworth, J.; Sztakovics, J.; Bíró, I. B.; Jankovics, I.

Abstract

KIC 8560861 (HD 183648) is a marginally eccentric (e = 0.05) eclipsing binary with an orbital period of P_(orb) = 31.973 d, exhibiting mmag amplitude pulsations on time scales of a few days. We present the results of the complex analysis of high and medium-resolution spectroscopic data and Kepler Q0 – Q16 long cadence photometry.

Additional Information

© Owned by the authors, published by EDP Sciences, 2015. This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Published online: 23 September 2015. AD has been supported by Postdoctoral Fellowship Programme of the Hungarian Academy of Sciences. This project has been supported by the Hungarian OTKA Grant K83790, the Lendület-2009 Young Researchers Programme of the Hungarian Academy of Sciences, ESA PECS Contract No. 4000110889/14/NL/NDe and the European Community's Seventh Framework Programme (FP7/2007-2013) under grant agreement no. 269194 (IRSES/ASK) and no. 312844 (SPACEINN). AD, RSz and GyMSz have been supported by the János Bolyai Research Scholarship of the Hungarian Academy of Sciences. TB, BCs, JK and GyMSz would like to thank City of Szombathely for support under Agreement No. S-11-1027. Based on observations obtained with the Apache Point Observatory 3.5-meter telescope, which is owned and operated by the Astrophysical Research Consortium.

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