Observations and light curve solutions of four ultrashort-period binaries

Observations and light curve solutions of four ultrashort-period binaries

The paper presents light curve solutions of our observations of four new ultrashort-period eclipsing binaries with MS components. Two of them have periods almost at the upper limit (0.22 days) of the ultrashort-period binaries, while the periods of around 0.18 days of CSS J171508.5+350658 a...

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Main Authors: Kjurkchieva D., Popov V., Vasileva D., Petrov N.
Format: Article
Language:English
Published: Astronomical Observatory, Department of Astronomy, Belgrade 2016-01-01
Series:Serbian Astronomical Journal
Subjects:
binaries: close
binaries: eclipsing
methods: data analysis
stars: fundamental parameters
stars: individual: CSS J171410.0+445850
CSS J171508.5+350658
CSS J214633.8+120016
CSS J224326.0+154532
Online Access:http://www.doiserbia.nb.rs/img/doi/1450-698X/2016/1450-698X1600001K.pdf
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spelling doaj-029bcc2c29124adbb9f89719d1467ba02020-11-24T23:33:05ZengAstronomical Observatory, Department of Astronomy, BelgradeSerbian Astronomical Journal1450-698X1820-92892016-01-012016192212610.2298/SAJ150914001K1450-698X1600001KObservations and light curve solutions of four ultrashort-period binariesKjurkchieva D.0Popov V.1Vasileva D.2Petrov N.3Shumen University, Department of Physics, Shumen, BulgariaIRIDA Observatory, Sofia, BulgariaShumen University, Department of Physics, Shumen, BulgariaBulgarian Academy of Sciences, Institute of Astronomy and NAO, Sofia, BulgariaThe paper presents light curve solutions of our observations of four new ultrashort-period eclipsing binaries with MS components. Two of them have periods almost at the upper limit (0.22 days) of the ultrashort-period binaries, while the periods of around 0.18 days of CSS J171508.5+350658 and CSS J214633.8+120016 are amongst the shortest known orbital periods. CSS J171410.0+ 445850, CSS J214633.8+120016 and CSS J224326.0+154532 are over contact binaries with fill out factors around 0.25 while CSS J171508.5+350658 is a semidetached system. The two targets with shortest periods consist of M dwarfs.http://www.doiserbia.nb.rs/img/doi/1450-698X/2016/1450-698X1600001K.pdfbinaries: closebinaries: eclipsingmethods: data analysisstars: fundamental parametersstars: individual: CSS J171410.0+445850CSS J171508.5+350658CSS J214633.8+120016CSS J224326.0+154532
collection DOAJ
language English
format Article
sources DOAJ
author Kjurkchieva D.
Popov V.
Vasileva D.
Petrov N.
spellingShingle Kjurkchieva D.
Popov V.
Vasileva D.
Petrov N.
Observations and light curve solutions of four ultrashort-period binaries
Serbian Astronomical Journal
binaries: close
binaries: eclipsing
methods: data analysis
stars: fundamental parameters
stars: individual: CSS J171410.0+445850
CSS J171508.5+350658
CSS J214633.8+120016
CSS J224326.0+154532
author_facet Kjurkchieva D.
Popov V.
Vasileva D.
Petrov N.
author_sort Kjurkchieva D.
title Observations and light curve solutions of four ultrashort-period binaries
title_short Observations and light curve solutions of four ultrashort-period binaries
title_full Observations and light curve solutions of four ultrashort-period binaries
title_fullStr Observations and light curve solutions of four ultrashort-period binaries
title_full_unstemmed Observations and light curve solutions of four ultrashort-period binaries
title_sort observations and light curve solutions of four ultrashort-period binaries
publisher Astronomical Observatory, Department of Astronomy, Belgrade
series Serbian Astronomical Journal
issn 1450-698X
1820-9289
publishDate 2016-01-01
description The paper presents light curve solutions of our observations of four new ultrashort-period eclipsing binaries with MS components. Two of them have periods almost at the upper limit (0.22 days) of the ultrashort-period binaries, while the periods of around 0.18 days of CSS J171508.5+350658 and CSS J214633.8+120016 are amongst the shortest known orbital periods. CSS J171410.0+ 445850, CSS J214633.8+120016 and CSS J224326.0+154532 are over contact binaries with fill out factors around 0.25 while CSS J171508.5+350658 is a semidetached system. The two targets with shortest periods consist of M dwarfs.
topic binaries: close
binaries: eclipsing
methods: data analysis
stars: fundamental parameters
stars: individual: CSS J171410.0+445850
CSS J171508.5+350658
CSS J214633.8+120016
CSS J224326.0+154532
url http://www.doiserbia.nb.rs/img/doi/1450-698X/2016/1450-698X1600001K.pdf
work_keys_str_mv AT kjurkchievad observationsandlightcurvesolutionsoffourultrashortperiodbinaries
AT popovv observationsandlightcurvesolutionsoffourultrashortperiodbinaries
AT vasilevad observationsandlightcurvesolutionsoffourultrashortperiodbinaries
AT petrovn observationsandlightcurvesolutionsoffourultrashortperiodbinaries
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