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Eclipsing Am binary systems in the SuperWASP survey

Smalley, B.; Southworth, J.; I. Pintado, O.; Gillon, M.; L. Holdsworth, D.; R. Anderson, D.; C. C. Barros, S.; Collier Cameron, A.; Delrez, L.; Faedi, F.; A. Haswell, C.; Hellier, C.; Horne, K.; Jehin, E.; F. L. Maxted, P.; J. Norton, A.; Pollacco, D.; Skillen, I.; M. S. Smith, A.; G. West, R.; J. Wheatley, P.

Eclipsing Am binary systems in the SuperWASP survey Thumbnail


O. I. Pintado

M. Gillon

D. L. Holdsworth

D. R. Anderson

S. C. C. Barros

A. Collier Cameron

L. Delrez

F. Faedi

C. A. Haswell

K. Horne

E. Jehin

A. J. Norton

D. Pollacco

I. Skillen

A. M. S. Smith

R. G. West

P. J. Wheatley


The results of a search for eclipsing Am star binaries using photometry from the SuperWASP survey are presented. The light curves of 1742 Am stars fainter than V = 8.0 were analysed for the presence of eclipses. A total of 70 stars were found to exhibit eclipses, with 66 having sufficient observations to enable orbital periods to be determined and 28 of which are newly identified eclipsing systems. Also presented are spectroscopic orbits for 5 of the systems. The number of systems and the period distribution is found to be consistent with that identified in previous radial velocity surveys of “classical” Am stars.


Smalley, B., Southworth, J., I. Pintado, O., Gillon, M., L. Holdsworth, D., R. Anderson, D., …J. Wheatley, P. (2014). Eclipsing Am binary systems in the SuperWASP survey. Astronomy & Astrophysics, 564, Article A69.

Journal Article Type Article
Acceptance Date Feb 26, 2014
Publication Date Apr 8, 2014
Print ISSN 0004-6361
Electronic ISSN 1432-0746
Publisher EDP Sciences
Peer Reviewed Peer Reviewed
Volume 564
Article Number A69
Keywords Solar and Stellar Astrophysics
Publisher URL


B Smalley - Eclipsing Am binary systems in the SuperWASP survey.pdf (4.7 Mb)

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