A Transiting Hot Jupiter Orbiting a Metal-Rich Star

Details A Transiting Hot Jupiter Orbiting a Metal-Rich Star A Transiting Hot Jupiter Orbiting a Metal-Rich Star

2010-01-02

arxiv.org/abs/1001.0333v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

12 pages, 2 figures, submitted to the Astrophysical Journal Letters

Scientific paper

We announce the discovery of Kepler-6b, a transiting hot Jupiter orbiting a star with unusually high metallicity, [Fe/H] = +0.34 +/- 0.04. The planet's mass is about 2/3 that of Jupiter, Mp = 0.67 Mj, and the radius is thirty percent larger than that of Jupiter, Rp = 1.32 Rj, resulting in a density of 0.35 g/cc, a fairly typical value for such a planet. The orbital period is P = 3.235 days. The host star is both more massive than the Sun, Mstar = 1.21 Msun, and larger than the Sun, Rstar = 1.39 Rsun.

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