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- W3098382826 abstract "We report the discovery of HAT-P-15b, a transiting extrasolar planet in the period valley, a relatively sparsely populated period regime of the known extrasolar planets. The host star, GSC 2883-01687, is a G5 dwarf with V= 12.16. It has a mass of 1.01 ± 0.04 M☉, radius of 1.08 ± 0.04 R☉, effective temperature 5568 ± 90 K, and metallicity [Fe/H] = +0.22 ± 0.08. The planetary companion orbits the star with a period P = 10.863502 ± 0.000027 days, transit epoch Tc = 2454638.56019 ± 0.00048 (BJD), and transit duration 0.2285 ± 0.0015 days. It has a mass of 1.946 ± 0.066 MJ and radius of 1.072 ± 0.043 RJ yielding a mean density of 1.96 ± 0.22 g cm-3. At an age of 6.8+2.5−1.6 Gyr, the planet is H/He-dominated and theoretical models require about 2% (10 M⊕) worth of heavy elements to reproduce its measured radius. With an estimated equilibrium temperature of ∼820 K during transit, and ∼1000 K at occultation, HAT-P-15b is a potential candidate to study moderately cool planetary atmospheres by transmission and occultation spectroscopy." @default.
- W3098382826 created "2020-11-23" @default.
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- W3098382826 date "2010-11-09" @default.
- W3098382826 modified "2023-10-14" @default.
- W3098382826 title "HAT-P-15b: A 10.9 DAY EXTRASOLAR PLANET TRANSITING A SOLAR-TYPE STAR" @default.
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- W3098382826 doi "https://doi.org/10.1088/0004-637x/724/2/866" @default.
- W3098382826 hasPublicationYear "2010" @default.
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