Modelling of W UMa-type variable stars

Modelling of W UMa-type variable stars

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W Ursae Majoris (W UMa)-type variable stars are over-contact eclipsing binary stars. To understand how these systems form and evolve requires observations spanning many years, followed by detailed models of as many of them as possible. The All Sky Automated Survey (ASAS) has an extensive database of...

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Main Authors: P. Skelton, D. Smits
Format: Article
Language:English
Published: Academy of Science of South Africa 2010-01-01
Series:South African Journal of Science
Online Access:http://192.168.0.118/index.php/sajs/article/view/10033
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spelling doaj-8ddf6029cf774d12ae9b0564ed70f1512021-04-04T20:06:39ZengAcademy of Science of South AfricaSouth African Journal of Science1996-74892010-01-011053/4Modelling of W UMa-type variable starsP. Skelton0D. Smits1Department of Mathematical Sciences, P.O. Box 392, UNISA 0003, South Africa.Department of Mathematical Sciences, P.O. Box 392, UNISA 0003, South Africa.W Ursae Majoris (W UMa)-type variable stars are over-contact eclipsing binary stars. To understand how these systems form and evolve requires observations spanning many years, followed by detailed models of as many of them as possible. The All Sky Automated Survey (ASAS) has an extensive database of these stars. Using the ASAS V band photometric data, models of W UMatype stars are being created to determine the parameters of these stars. This paper discusses the classification of eclipsing binary stars, the methods used to model them as well as the results of the modelling of ASAS 120036 - 3915.6, an over-contact eclipsing binary star that appears to be changing its period.http://192.168.0.118/index.php/sajs/article/view/10033
collection DOAJ
language English
format Article
sources DOAJ
author P. Skelton
D. Smits
spellingShingle P. Skelton
D. Smits
Modelling of W UMa-type variable stars
South African Journal of Science
author_facet P. Skelton
D. Smits
author_sort P. Skelton
title Modelling of W UMa-type variable stars
title_short Modelling of W UMa-type variable stars
title_full Modelling of W UMa-type variable stars
title_fullStr Modelling of W UMa-type variable stars
title_full_unstemmed Modelling of W UMa-type variable stars
title_sort modelling of w uma-type variable stars
publisher Academy of Science of South Africa
series South African Journal of Science
issn 1996-7489
publishDate 2010-01-01
description W Ursae Majoris (W UMa)-type variable stars are over-contact eclipsing binary stars. To understand how these systems form and evolve requires observations spanning many years, followed by detailed models of as many of them as possible. The All Sky Automated Survey (ASAS) has an extensive database of these stars. Using the ASAS V band photometric data, models of W UMatype stars are being created to determine the parameters of these stars. This paper discusses the classification of eclipsing binary stars, the methods used to model them as well as the results of the modelling of ASAS 120036 - 3915.6, an over-contact eclipsing binary star that appears to be changing its period.
url http://192.168.0.118/index.php/sajs/article/view/10033
work_keys_str_mv AT pskelton modellingofwumatypevariablestars
AT dsmits modellingofwumatypevariablestars
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