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KEPLER-7b: A TRANSITING PLANET WITH UNUSUALLY LOW DENSITY
2010
Astrophysical Journal Letters
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We report the discovery and confirmation of Kepler-7b, a transiting planet with unusually low density. The mass is less than half that of Jupiter, Mp = 0.43 Mj, but the radius is fifty percent larger, Rp = 1.48 Rj. The resulting density, 0.17 g/cc, is the second lowest reported so far for an extrasolar planet. The orbital period is fairly long, P = 4.886 days, and the host star is not much hotter than the Sun, Teff = 6000 K. However, it is more massive and considerably larger than the sun,
doi:10.1088/2041-8205/713/2/l140
fatcat:6xx7usz4avcsdiob37st4txzcq