Kepler Binary Stars in the NGC 6819 Open Cluster: KIC 5113146 and KIC 5111815

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dc.authoridBilir, Selcuk/0000-0003-3510-1509
dc.authoridSoydugan, Faruk/0000-0002-5141-7645
dc.contributor.authorSoydugan, Esin
dc.contributor.authorAlicavus, Fahri
dc.contributor.authorSoydugan, Faruk
dc.contributor.authorBilir, Selcuk
dc.date.accessioned2025-01-27T20:24:45Z
dc.date.available2025-01-27T20:24:45Z
dc.date.issued2020
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this study, an investigation of two double-lined binary stars KIC 5113146 and KIC 5111815 in the NGC 6819 open cluster is presented based on both photometric and spectroscopic data. Simultaneous analysis of light and radial velocity curves was made and the absolute parameters of the systems' components were determined for the first time. We find that both systems have F-type main-sequence components. The masses and radii were found to be M-1 = 1.29 +/- 0.02M(circle dot), R-1 = 1.47 +/- 0.03 R-circle dot and M-2 = 1.19 +/- 0.02 M-circle dot, R-2 = 1.13 +/- 0.02 R-circle dot for the primary and secondary components of KIC 5113146; and M-1 = 1.51 +/- 0.08 M-circle dot, R-1 = 2.02 +/- 0.05 R-circle dot and M-2 = 1.19 +/- 0.07 M-circle dot, R-2 = 1.32 +/- 0.04 R-circle dot for the components of KIC 5111815, respectively. The evolutionary status of the components was evaluated based on the MESA evolutionary tracks and isochrones. The ages of KIC 5111815 and KIC 5113146 were derived to be about 2.50 +/- 0.35 Gyr and 1.95 +/- 0.40 Gyr, respectively. Photometric distances were calculated to be 2850 +/- 185 pc for KIC 5113146 and 3120 +/- 260 pc for KIC 5111815. The results reveal that both KIC 5113146 and KIC 5111815 systems are the most likely members of NGC 6819.
dc.description.sponsorshipCanakkale Onsekiz Mart University the Scientific Research Coordination Unit [FBA-2016-858]
dc.description.sponsorshipThis study was supported by Canakkale Onsekiz Mart University the Scientific Research Coordination Unit, Project number: FBA-2016-858. The authors are grateful to the anonymous referee for valuable comments and suggestions that helped us to improve the study. We would like to thank Olcay Plevne for his help. This research made use of VizieR and Simbad databases at CDS, Strasbourg, France. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement.
dc.identifier.doi10.3847/1538-3881/abbb35
dc.identifier.issn0004-6256
dc.identifier.issn1538-3881
dc.identifier.issue6
dc.identifier.scopus2-s2.0-85096682582
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3847/1538-3881/abbb35
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22336
dc.identifier.volume160
dc.identifier.wosWOS:000587066300001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIop Publishing Ltd
dc.relation.ispartofAstronomical Journal
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectStellar astronomy
dc.subjectBinary stars
dc.subjectDetached binary stars
dc.subjectOpen star clusters
dc.titleKepler Binary Stars in the NGC 6819 Open Cluster: KIC 5113146 and KIC 5111815
dc.typeArticle

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