The Transit Light Curve Project. IV. Five Transits of the Exoplanet OGLE-TR-10b

Details The Transit Light Curve Project. IV. Five Transits of the Exoplanet OGLE-TR-10b The Transit Light Curve Project. IV. Five Transits of the Exoplanet OGLE-TR-10b

2005-06-24

arxiv.org/abs/astro-ph/0506569v2

Astronomy and Astrophysics

Astrophysics

Accepted in the Astrophysical Journal, 23 October 2006. Includes observations of additional transits to confirm earlier result

Scientific paper

10.1086/510342

We present I and B photometry of five distinct transits of the exoplanet OGLE-TR-10b. By modeling the light curves, we find the planetary radius to be R_P = 1.06 +/- 0.08 R_Jup and the stellar radius to be R_S = 1.10 +/- 0.07 R_sun. The uncertainties are dominated by statistical errors in the photometry. Our estimate of the planetary radius is smaller than previous estimates that were based on lower-precision photometry, and hence the planet is not as anomalously large as was previously thought. We provide updated determinations of all the system parameters, including the transit ephemerides.

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