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Short period eclipsing binary candidates identified using SuperWASP
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(2011) Short period eclipsing binary candidates identified using SuperWASP. Astronomy & Astrophysics, Volume 528 . A90. doi:10.1051/0004-6361/201116448 ISSN 0004-6361.
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Official URL: http://dx.doi.org/10.1051/0004-6361/201116448
Abstract
We present light curves and periods of 53 candidates for short period eclipsing binary stars identified by SuperWASP. These include 48 newly identified objects with periods <2 x 10(4) s (similar to 0.23 d), as well as the shortest period binary known with main sequence components (GSC2314-0530 = 1SWASP J022050.85 + 332047.6) and four other previously known W UMa stars (although the previously reported periods for two of these four are shown to be incorrect). The period distribution of main sequence contact binaries shows a sharp cut-off at a lower limit of around 0.22 d, but until now, very few systems were known close to this limit. These new candidates will therefore be important for understanding the evolution of low mass stars and to allow investigation of the cause of the period cut-off.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QB Astronomy | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Extrasolar planets -- Detection, Eclipsing binaries | ||||
| Journal or Publication Title: | Astronomy & Astrophysics | ||||
| Publisher: | EDP Sciences | ||||
| ISSN: | 0004-6361 | ||||
| Official Date: | April 2011 | ||||
| Dates: |
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| Volume: | Volume 528 | ||||
| Page Range: | A90 | ||||
| DOI: | 10.1051/0004-6361/201116448 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Queen's University of Belfast, University of Keele, University of St. Andrews, Open University, Royal Greenwich Observatory. Isaac Newton Group of Telescopes (Santa Cruz de la Palma, Canary Islands), Instituto de Astrofisica de Canarias (IAC), South African Astronomical Observatory , Science and Technology Facilities Council (Great Britain) (STFC), University of Leicester |
Data sourced from Thomson Reuters' Web of Knowledge
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