Eclipsing Am binary systems in the SuperWASP survey

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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article numberA69
Number of pages20
JournalAstronomy & Astrophysics
Volume564
DOIs
Publication statusPublished - 8 Apr 2014

Keywords

  • Stars: chemically peculiar
  • Binaries: eclipsing
  • Techniques: photometric
  • Stars: early-type
  • Stars: fundamental parameters
  • Low-mass stars
  • Light curves
  • Spectroscopic binaries
  • Absolute dimensions
  • Variable-stars
  • Main-sequence
  • Short-period
  • Orbits
  • Search
  • Catalog

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