SIMBAD references

2008A&A...492..603G - Astronomy and Astrophysics, volume 492, 603-607 (2008/12-3)

Updated parameters for the transiting exoplanet WASP-3b using RISE, a new fast camera for the Liverpool Telescope.

GIBSON N.P., POLLACCO D., SIMPSON E.K., JOSHI Y.C., TODD I., BENN C., CHRISTIAN D., HRUDKOVA M., KEENAN F.P., MEABURN J., SKILLEN I. and STEELE I.A.

Abstract (from CDS):

Some of the first results are reported from RISE - a new fast camera mounted on the Liverpool Telescope primarily designed to obtain high time-resolution light curves of transiting extrasolar planets for the purpose of transit timing. A full and partial transit of WASP-3 are presented, and a Markov-Chain Monte Carlo analysis is used to update the parameters from the discovery paper. This results in a planetary radius of 1.29+0.05–0.12RJ and therefore a density of 0.82+0.14–0.09ρJ, consistent with previous results. The inclination is 85.06+0.16–0.15°, in agreement (but with a significant improvement in the precision) with the previously determined value. Central transit times are found to be consistent with the ephemeris given in the discovery paper; however, a new ephemeris calculated using the longer baseline results in Tc(0)=2454605.55915±0.00023 HJD and P=1.846835±0.000002 days.

Abstract Copyright:

Journal keyword(s): methods: data analysis - stars: planetary systems - stars: individual: WASP-3 - techniques: photometric

Simbad objects: 5

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