The SuperWASP wide-field exoplanetary transit survey: candidates from fields 23 h < RA < 03 h

Details The SuperWASP wide-field exoplanetary transit survey: candidates from fields 23 h < RA < 03 h The SuperWASP wide-field exoplanetary transit survey: candidates from fields 23 h < RA < 03 h

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006mnras.372.1117c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 372, Issue 3, pp. 1117-1128.

Other

27

Methods: Data Analysis, Planetary Systems Formation, Stars: Variables: Other

Scientific paper

Photometric transit surveys promise to complement the currently known sample of extra-solar planets (ESPs) by providing additional information on the planets and especially their radii. Here, we present ESP candidates from one such survey called, the Wide Angle Search for Planets (WASP) obtained with the SuperWASP wide-field imaging system. Observations were taken with SuperWASP North located in La Palma during the 2004 April to October observing season. The data cover fields between 23 and 03 h in RA at declinations above +12. This amounts to over ~400000 stars with V magnitudes 8-13.5. For the stars brighter than 12.5, we achieve better than 1 per cent photometric precision. Here, we present 41 sources with low-amplitude variability between ~1 and 10 mmag, from which we select 12 with periods between 1.2 and 4.4 d as the most promising ESP candidates. We discuss the properties of these ESP candidates, the expected fraction of transits recovered for our sample and implications for the frequency and detection of hot-Jupiters.

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