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HATS-17b: A Transiting Compact Warm Jupiter in a 16.3 Day Circular Orbit

Author(s): Brahm, R; Jordán, A.; Bakos, Gaspar Aron; Penev, K; Espinoza, N; et al

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Abstract: We report the discovery of HATS-17b, the first transiting warm Jupiter of the HATSouth network. HATS-17b transits its bright (V = 12.4) G-type (M =1.131 0.030  M, R = - + 1.091 0.046 0.070 R) metal-rich ([Fe/ H] = +0.3 dex) host star in a circular orbit with a period of P =16.2546 days. HATS-17b has a very compact radius of 0.777 0.056  RJ given its Jupiter-like mass of 1.338 0.065  MJ. Up to 50% of the mass of HATS-17b may be composed of heavy elements in order to explain its high density with current models of planetary structure. HATS-17b is the longest period transiting planet discovered to date by a ground-based photometric survey, and is one of the brightest transiting warm Jupiter systems known. The brightness of HATS-17 will allow detailed followup observations to characterize the orbital geometry of the system and the atmosphere of the planet.
Publication Date: Apr-2016
Electronic Publication Date: 9-Mar-2016
Citation: Brahm, R, Jordán, A, Bakos, GÁ, Penev, K, Espinoza, N, Rabus, M, Hartman, JD, Bayliss, D, Ciceri, S, Zhou, G, Mancini, L, Tan, TG, de Val-Borro, M, Bhatti, W, Csubry, Z, Bento, J, Henning, T, Schmidt, B, Rojas, F, Suc, V, Lázár, J, Papp, I, Sári, P. (2016). HATS-17b: A Transiting Compact Warm Jupiter in a 16.3 Day Circular Orbit. \aj, 151 (89 - 89. doi:10.3847/0004-6256/151/4/89
DOI: doi:10.3847/0004-6256/151/4/89
Type of Material: Journal Article
Journal/Proceeding Title: Astronomical Journal
Version: Final published version. This is an open access article.

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