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Paper detail

HAT-P-16b: A 4 Mj Planet Transiting A Bright Star On An Eccentric Orbit

We report the discovery of HAT-P-16b, a transiting extrasolar planet orbiting the V = 10.8 mag F8 dwarf GSC 2792-01700, with a period P = 2.775960 +- 0.000003 d, transit epoch Tc = 2455027.59293 +- 0.00031 (BJD), and transit duration 0.1276 +- 0.0013 d. The host star has a mass of 1.22 +- 0.04 Msun, radius of 1.24 +- 0.05 Rsun, effective temperature 6158 +-80 K, and metallicity [Fe/H] = +0.17 +- 0.08. The planetary companion has a mass of 4.193 +- 0.094 MJ, and radius of 1.289 +- 0.066 RJ yielding a mean density of 2.42 +- 0.35 g/cm3. Comparing these observed characteristics with recent theoretical models, we find that HAT-P-16b is consistent with a 1 Gyr H/He-dominated gas giant planet. HAT-P-16b resides in a sparsely populated region of the mass{radius diagram and has a non-zero eccentricity of e = 0.036 with a significance of 10 sigma.

preprint2010arXivOpen access
L. A. BuchhaveG. A. BakosJ. D. HartmanG. TorresG. KovacsD. W. LathamR. W. NoyesG. A. EsquerdoM. EverettA. W. HowardG. W. MarcyD. A. FischerJ. A. JohnsonJ. AndersenG. FureszG. PerumpillyD. D. SasselovR. P. StefanikB. BekyJ. LazarI. PappP. Sari
astro-ph.EP
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L. A. BuchhaveG. A. BakosJ. D. HartmanG. TorresG. KovacsD. W. LathamR. W. NoyesG. A. EsquerdoM. EverettA. W. HowardG. W. MarcyD. A. FischerJ. A. JohnsonJ. AndersenG. FureszG. PerumpillyD. D. SasselovR. P. StefanikB. BekyJ. LazarI. PappP. Sari

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