Ten Kepler eclipsing binaries containing the third components

0485145 - FZÚ 2018 RIV US eng J - Journal Article
Zasche, P. - Wolf, M. - Kučáková, H. - Vraštil, J. - Juryšek, Jakub - Mašek, Martin - Jelínek, M.
Ten Kepler eclipsing binaries containing the third components.
Astronomical Journal. Roč. 149, č. 6 (2015), s. 1-11, č. článku 197. ISSN 0004-6256. E-ISSN 1538-3881
R&D Projects: GA MŠMT(CZ) LG13007
EU Projects: European Commission(XE) 283783 - GLORIA
Institutional support: RVO:68378271
Keywords : eclipsing binaries * KIC 2305372 * KIC 3440230 * KIC 5513861 * KIC 5621294 * KIC 7630658 * KIC 8553788 * KIC 9007918 * KIC 9402652 * KIC 10581918 * KIC 10686876
OECD category: Astronomy (including astrophysics,space science)
Impact factor: 4.617, year: 2015
Method of publishing: Open access

Analyzing the available photometry from the Kepler satellite and other databases, we performed detailed light curve modeling of 10 eclipsing binary systems that were found to exhibit a periodic modulation of their orbital periods. All of the selected systems are detached Algol type, with orbital periods from 0.9 to 2.9 days. In total, 9448 times of minimum for these binaries were analyzed in an attempt to identify the period variations caused by the third bodies in these systems. The well-known method of the light-travel time effect was used for the analysis. The orbital periods of the outer bodies were found to be between 1 and 14 years. This hypothesis makes such systems interesting for future prospective detections of these components, despite their low predicted masses. Considering the dynamical interaction between the orbits,. the system KIC 3440230 seems to be the most interesting, in which one would expect the detection of some effects (i.e., changing the inclination) even after a few years or decades of observations.
Permanent Link: http://hdl.handle.net/11104/0280223