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dc.contributor.author | Shimanskii V. | |
dc.contributor.author | Yakin D. | |
dc.contributor.author | Borisov N. | |
dc.contributor.author | Bikmaev I. | |
dc.date.accessioned | 2018-09-18T20:15:24Z | |
dc.date.available | 2018-09-18T20:15:24Z | |
dc.date.issued | 2012 | |
dc.identifier.issn | 1063-7729 | |
dc.identifier.uri | https://dspace.kpfu.ru/xmlui/handle/net/138025 | |
dc.description.abstract | The results of photometric and spectroscopic observations of the pre-cataclysmic variable HS 2333+3927, which is a HW Vir binary system, are analyzed. The parameters of the sdB subdwarf companion (T eff = 37 500 ± 500 K, log g = 5.7 ± 0.05) and the chemical composition of its atmosphere are refined using a spectrum of the binary system obtained at minimum brightness. Reflection effects can fully explain the observed brightness variations of HS 2333+3927, changes in the HI and HeI line profiles, and distortions of the radial-velocity curve of the primary star. A new method for determining the component-mass ratios in HW Vir binaries, based on their radial-velocity curves and models of irradiated atmospheres, is proposed. The set of parameters obtained for the binary components corresponds to models of horizontal-branch sdB subdwarfs and main-sequence stars. © 2012 Pleiades Publishing, Ltd. | |
dc.relation.ispartofseries | Astronomy Reports | |
dc.title | Analysis of reflection effects in HS 2333+3927 | |
dc.type | Article | |
dc.relation.ispartofseries-issue | 11 | |
dc.relation.ispartofseries-volume | 56 | |
dc.collection | Публикации сотрудников КФУ | |
dc.relation.startpage | 867 | |
dc.source.id | SCOPUS10637729-2012-56-11-SID84868673444 |