Norton, A. J.; Payne, S. G.; Evans, T.; West, R. G.; Wheatley, P. J.; Anderson, D. R.; Barros, S. C. C.; Butters, O. W.; Collier Cameron, A.; Christian-Prince, D. J.; Enoch, B.; Faedi, F.; Haswell, C. A.; Hellier, C.; Holmes, S.; Horne, K. D.; Kane, S. R.; Lister, T. A.; Maxted, P. F. L.; Parley, N.; Pollacco, D.; Simpson, E. K.; Skillen, I.; Smalley, B.; Southworth, J. and Street, R. A.
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|DOI (Digital Object Identifier) Link:||http://doi.org/10.1051/0004-6361/201116448|
|Google Scholar:||Look up in Google Scholar|
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 × 104 s (~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|
|Copyright Holders:||2011 ESO|
|Academic Unit/Department:||Science > Physical Sciences
Mathematics, Computing and Technology > Computing & Communications
Mathematics, Computing and Technology
Other Departments > Student Services
|Interdisciplinary Research Centre:||Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)|
|Depositing User:||Andrew Norton|
|Date Deposited:||08 Mar 2011 14:46|
|Last Modified:||24 Feb 2016 23:00|
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