HAT-P-5b: A Jupiter-like hot Jupiter Transiting a Bright Star
G. A. Bakos (1,2), A. Shporer (3), A. Pal (4,1), G. Torres (1), Geza, Kovacs (5), D. W. Latham (1), T. Mazeh (3), A. Ofir (3), R. W. Noyes (1), D., D. Sasselov (1), F. Bouchy (7), F. Pont (6), D. Queloz (6), S. Udry (6), G., Esquerdo (1), B. Sipocz (4,1), Gabor Kovacs (1)
TL;DR
This paper reports the discovery and characterization of HAT-P-5b, a Jupiter-like hot Jupiter exoplanet transiting a bright G star with detailed measurements of its orbital and physical properties.
Contribution
It presents the discovery and detailed physical characterization of a new transiting hot Jupiter, HAT-P-5b, including its mass, radius, density, and orbital parameters.
Findings
HAT-P-5b has a radius of 1.257 RJup.
HAT-P-5b has a mass of 1.06 MJup.
The orbital period is approximately 2.79 days.
Abstract
We report the discovery of a planet transiting a moderately bright (V = 12.00) G star, with an orbital period of 2.788491 +/-0.000025 days. From the transit light curve we determine that the radius of the planet is Rp = 1.257 +/- 0.053 RJup. HAT-P-5b has a mass of Mp = 1.06 +/- 0.11 MJup, similar to the average mass of previously-known transiting exoplanets, and a density of rho = 0.66 +/- 0.11 g cm^-3 . We find that the center of transit is Tc = 2,454,241.77663 +/- 0.00022 (HJD), and the total transit duration is 0.1217 +/- 0.0012 days.
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