{"title":"Observations and light curve solutions of four ultrashort-period binaries","authors":"D. Kjurkchieva, V. Popov, D. Vasileva, N. Petrov","doi":"10.2298/SAJ150914001K","DOIUrl":null,"url":null,"abstract":"The paper presents light curve solutions of our observations of four new \n ultrashort-period eclipsing binaries with MS components. Two of them have \n periods almost at the upper limit (0.22 days) of the ultrashort-period \n binaries, while the periods of around 0.18 days of CSS J171508.5+350658 and \n CSS J214633.8+120016 are amongst the shortest known orbital periods. CSS \n J171410.0+ 445850, CSS J214633.8+120016 and CSS J224326.0+154532 are \n over contact binaries with fill out factors around 0.25 while CSS \n J171508.5+350658 is a semidetached system. The two targets with shortest \n periods consist of M dwarfs.","PeriodicalId":48878,"journal":{"name":"Serbian Astronomical Journal","volume":"192 1","pages":"21-26"},"PeriodicalIF":0.8000,"publicationDate":"2016-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Serbian Astronomical Journal","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.2298/SAJ150914001K","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ASTRONOMY & ASTROPHYSICS","Score":null,"Total":0}
引用次数: 5
Abstract
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.
期刊介绍：
Serbian Astronomical Journal publishes original observations and researches in all branches of astronomy. The journal publishes:
Invited Reviews - review article on some up-to-date topic in astronomy, astrophysics and related fields (written upon invitation only),
Original Scientific Papers - article in which are presented previously unpublished author''s own scientific results,
Preliminary Reports - original scientific paper, but shorter in length and of preliminary nature,
Professional Papers - articles offering experience useful for the improvement of professional practice i.e. article describing methods and techniques, software, presenting observational data, etc.
In some cases the journal may publish other contributions, such as In Memoriam notes, Obituaries, Book Reviews, as well as Editorials, Addenda, Errata, Corrigenda, Retraction notes, etc.
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