CCD photometric analysis of the W UMa-type binary V376 Andromeda

dc.contributor.authorCicek, C.
dc.date.accessioned2025-01-27T20:41:51Z
dc.date.available2025-01-27T20:41:51Z
dc.date.issued2011
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThis study presents the absolute parameters of the contact binary system V376 And. CCD photometric observations were made at the canakkale Onsekiz Mart University Observatory in 2004. The instrumental magnitudes of all observed stars were converted into standard magnitudes. New BV light curves of the system were analysed using the Wilson-Devinney method supplemented with a Monte Carlo type algorithm. Since there are large asymmetries between maxima (i.e., O'Connell effect) in these light curves, two different models (one with a cool spot and one with a hot spot) were applied to the photometric data. The best fit, which was obtained with a large hot spot on the secondary component, gives V376 And as an A sub-type contact binary in poor thermal contact and a small value of the filling factor (f approximate to 0.07). Combining the solutions of our light curves and Rucinski et al. (2001)'s radial velocity curves, the following absolute parameters of the components were determined: M(1) = 2.44 +/- 0.04 M(circle dot), M(2) = 0.74 +/- 0.03 M(circle dot), = 2.60 +/- 0.03 R(circle dot), R(2) = 1.51 +/- 0.02 R(circle dot), L(1) = 40 +/- 4 L(circle dot) and L(2) = 5 +/- 1 L(circle dot). We also discuss the evolution of the system, which appears to have an age of 1.6 Gyr. The distance to V376 And was calculated as 230 +/- 20 pc from this analysis, taking into account interstellar extinction. (c) 2010 Elsevier B.V. All rights reserved.
dc.description.sponsorshipCanakkale Onsekiz Mart University Research Foundation
dc.description.sponsorshipThis study was supported by Canakkale Onsekiz Mart University Research Foundation. The author thanks Dr. Ahmet Erdem for his useful comments and suggestions and Naci Erkan for assistance during the observations in canakkale Onsekiz Mart University Observatory. The author also thanks Mr. G.H. Lee for checking the English.
dc.identifier.doi10.1016/j.newast.2010.06.005
dc.identifier.endpage16
dc.identifier.issn1384-1076
dc.identifier.issue1
dc.identifier.startpage12
dc.identifier.urihttps://doi.org/10.1016/j.newast.2010.06.005
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24254
dc.identifier.volume16
dc.identifier.wosWOS:000282116700003
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
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: eclipsing
dc.subjectStars: fundamental parameters
dc.subjectTechnique: photometry
dc.subjectStars: individual (V376 And)
dc.titleCCD photometric analysis of the W UMa-type binary V376 Andromeda
dc.typeArticle

Dosyalar