Absolute properties of RU Cnc revisited: an active RS CVn-type eclipsing binary with red giant branch and main-sequence components

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dc.contributor.authorCokluk, K. A.
dc.contributor.authorKocak, D.
dc.contributor.authorIcli, T.
dc.contributor.authorKarakose, S.
dc.contributor.authorUstundag, S.
dc.contributor.authorYakut, K.
dc.date.accessioned2020-12-01T12:09:17Z
dc.date.available2020-12-01T12:09:17Z
dc.date.issued2019
dc.departmentEge Üniversitesien_US
dc.descriptionYakut, Kadri/0000-0003-2380-9008en_US
dc.description.abstractWe present observations and analysis of an RS CVn-type double-lined eclipsing binary system, RU Cnc. the system has been observed for over a century. High-quality long-cadence observations, newly obtained from the Kepler K2 C5 and C18 campaigns, and two radial velocity curves were combined and analysed simultaneously, assuming a multispot model. the masses, radii and luminosities of the component stars have been precisely obtained as , , , , and, with a separation of . the distance of the system is determined to be pc, which is consistent with the Gaia Data Release 2 result. Long-term detailed period variation analysis of the system indicates a period decrease of 7.9x10(-7) d yr(-1). the results suggest that the cooler component is on the red giant branch (RGB) and the hotter component is still on the main sequence.en_US
dc.description.sponsorshipTurkish Scientific and Technical Research CouncilTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [TUBITAK-117F188]; TUBITAKTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [16DT60-1114]; Institute of Astronomy Cambridge (IoA); COST Action (CANTATA)European Cooperation in Science and Technology (COST) [CA-15117]; COST Action (GWVerse)European Cooperation in Science and Technology (COST) [CA-16104]; TUBITAK-BIDEB 2214-A scholarshipen_US
dc.description.sponsorshipWe are very grateful to an anonymous referee for comments and helpful, constructive suggestions, which helped us to improve the paper. This study was supported by the Turkish Scientific and Technical Research Council (TUBITAK-117F188). We thank TUBITAK for partial support in using the T60 telescope through project number 16DT60-1114. KY thanks the COST Action CA-15117 (CANTATA), CA-16104 (GWVerse) and the Institute of Astronomy Cambridge (IoA) for hospitality and support. DK, TI and KAC are grateful for a TUBITAK-BIDEB 2214-A scholarship.en_US
dc.identifier.doi10.1093/mnras/stz2051
dc.identifier.endpage4525en_US
dc.identifier.issn0035-8711
dc.identifier.issn1365-2966
dc.identifier.issn0035-8711en_US
dc.identifier.issn1365-2966en_US
dc.identifier.issue4en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage4520en_US
dc.identifier.urihttps://doi.org/10.1093/mnras/stz2051
dc.identifier.urihttps://hdl.handle.net/11454/63393
dc.identifier.volume488en_US
dc.identifier.wosWOS:000484349700006en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherOxford Univ Pressen_US
dc.relation.ispartofMonthly Notices of the Royal Astronomical Societyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectstars: activityen_US
dc.subjectbinaries: eclipsingen_US
dc.subjectstars: variables: generalen_US
dc.titleAbsolute properties of RU Cnc revisited: an active RS CVn-type eclipsing binary with red giant branch and main-sequence componentsen_US
dc.typeArticleen_US

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