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FAIGLER, S; Tal-Or, L; Mazeh, T; Latham, D W; Buchhave, L A
The Astrophysical journal, 07/2013, Letnik: 771, Številka: 1Journal Article
We present the first case in which the BEER algorithm identified a hot Jupiter in the Kepler light curve, and its reality was confirmed by orbital solutions based on follow-up spectroscopy. Spectroscopic radial velocity follow-up observations with Tillinghast Reflector Echelle Spectrograph and SOPHIE confirmed Kepler-76b as a transiting 2.0 + or - 0.26 M sub(Jup) hot Jupiter. The mass of a transiting planet can be estimated from either the beaming or the ellipsoidal amplitude. We show that a phase shift of 10degrees.3 + or - 2degrees.0 of the planet reflection/emission modulation, due to superrotation, explains the apparently inflated beaming modulation, resolving the ellipsoidal /beaming amplitude discrepancy. Kepler-76b is one of very few confirmed planets in the Kepler light curves that show BEER modulations and the first to show superrotation evidence in the Kepler band. Its discovery illustrates for the first time the ability of the BEER algorithm to detect short-period planets and brown dwarfs.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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