First photometric study of the W UMa system GSC 1042-2191

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dc.contributor.authorBulut, A.
dc.contributor.authorBulut, I.
dc.contributor.authorDemircan, O.
dc.date.accessioned2025-01-27T20:27:13Z
dc.date.available2025-01-27T20:27:13Z
dc.date.issued2016
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractWe present new photometric observations covering eight minima times for the eclipsing binary GSC 1042-2191. The light curves in BVRI colors were analyzed by using WD-code for the system parameters. Eight minima times were obtained from the new observations. The system is found a low mass ratio (q = 0.148), A-type over-contact binary with a fill out parameter of f = 65.01 +/- 12.18%. The preliminary absolute dimensions (M-1= 1.26 +/- 0.06 M-circle dot, M-2 = 0.18 +/- 0.06 M-circle dot, R-1 = 1.54 +/- 0.20 R (circle dot), R-2 = 0.69 +/- 0.01 R-circle dot, L-1 =3.30 +/- 0.30 L-circle dot and L-2 = 0.59 +/- 0.20 L-circle dot) indicate the very much oversized and over-luminous secondary component, by assuming the present luminosity of the secondary is its main sequence luminosity, we predict the original mass is about 0.8 M-circle dot, this means the present secondary could be transferred and/or lost 77% of its original mass and only its core is left. (C) 2015 Elsevier B.V. All rights reserved.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [114F166]
dc.description.sponsorshipThis work has been supported in part by the Scientific and Technological Research Council of Turkey (TUBITAK) Grant number 114F166. We acknowledge the observing time at Ulupinar Observatory of canakkale Onsekiz Mart University. We also thank to Dr. Edwin Budding for his valuable comments.
dc.identifier.doi10.1016/j.newast.2015.09.003
dc.identifier.endpage39
dc.identifier.issn1384-1076
dc.identifier.issn1384-1092
dc.identifier.scopus2-s2.0-84945161698
dc.identifier.scopusqualityQ2
dc.identifier.startpage35
dc.identifier.urihttps://doi.org/10.1016/j.newast.2015.09.003
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22621
dc.identifier.volume44
dc.identifier.wosWOS:000366069900006
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Bv
dc.relation.ispartofNew Astronomy
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectStars: binaries: close
dc.subjectBinaries: eclipsing
dc.subjectStars: individual: GSC 1042-2191
dc.titleFirst photometric study of the W UMa system GSC 1042-2191
dc.typeArticle

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