Outcome of Six Candidate Transiting Planets from a TrES Field in Andromeda

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  • 19 October 2006
Abstract
Driven by the incomplete understanding of the formation of gas giant extrasolar planets and of their mass-radius relationship, several ground-based, wide-field photometric campaigns are searching the skies for new transiting extrasolar gas giants. As part of the Trans-atlantic Exoplanet Survey (TrES), we monitored approximately 30,000 stars (9 .5 < V < 15.5) in a 5.7 degree x 5.7 degree field in Andromeda with three telescopes over five months. We identified six candidate transiting planets from the stellar light curves. From subsequent follow-up observations, we rejected each of these as an astrophysical false positive, i.e. a stellar system containing an eclipsing binary, whose light curve mimics that of a Jupiter-sized planet transiting a sun-like star. We present these candidates as an example of the procedures followed by the TrES team to reject false positives from our list of candidate transiting hot Jupiters.

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