HAT-P-5b: A Jupiter-like Hot Jupiter Transiting a Bright Star
- Bakos, G. Á.
- Shporer, A.
- Pál, A.
- Torres, G.
- Kovács, Géza
- Latham, D. W.
- Mazeh, T.
- Ofir, A.
- Noyes, R. W.
- Sasselov, D. D.
- Bouchy, F.
- Pont, F.
- Queloz, D.
- Udry, S.
- Esquerdo, G.
- Sipőcz, B.
- Kovács, Gábor
- Stefanik, R.
- Lázár, J.
- Papp, I.
- Sári, P.
DOIAbstract
International audienceWe 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 RJ. HAT-P-5b has a mass of Mp=1.06+/-0.11 MJ, similar to the average mass of previously known transiting exoplanets, and a density of ρp=0.66+/-0.11 g cm-3. We find that the center of transit is Tc=2,454,241.77663+/-0.00022 days (HJD), and the total transit duration is 0.1217+/-0.0012 days. Based in part on observations obtained with the SOPHIE spectrograph mounted on the 1.93 m telescope at the Haute Provance Observatory
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