VizieR Online Data Catalog: Light curves of WASP-3b (Nascimbeni+, 2013)
Abstract
The TASTE project is searching for low-mass planets with the transit timing variation (TTV) technique by gathering high-precision, short-cadence light curves for a selected sample of transiting exoplanets. It has been claimed that the "hot Jupiter" WASP-3b could be perturbed by a second planet. Presenting eleven new light curves (secured at the IAC80 and UDEM telescopes) and re-analyzing thirty-eight archival light curves in a homogeneous way, we show that new data do not confirm the previously claimed TTV signal. However, we bring evidence that measurements are not consistent with a constant orbital period, though no significant periodicity can be detected. Additional dynamical modeling and follow-up observations are planned to constrain the properties of the perturber or to put upper limits to it. We provide a refined ephemeris for WASP-3b and improved orbital/physical parameters. A contact eclipsing binary, serendipitously discovered among field stars, is reported here for the first time.
(2 data files).- Publication:
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VizieR Online Data Catalog
- Pub Date:
- February 2013
- DOI:
- 10.26093/cds/vizier.35490030
- Bibcode:
- 2013yCat..35490030N
- Keywords:
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- Stars: double and multiple;
- Planets;
- Photometry