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HATS-5b: A Transiting Hot Saturn from the HATSouth Survey

Author(s): Zhou, G; Bayliss, D; Penev, K; Bakos, Gaspar Aron; Hartman, JD; et al

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Abstract: We report the discovery of HATS-5b, a transiting hot Saturn orbiting a G-type star, by the HATSouth survey. HATS-5b has a mass of M p ≈ 0 . 24 M J , radius of R p ≈ 0 . 91 R J , and transits its host star with a period of P ≈ 4 . 7634 days. The radius of HATS-5b is consistent with both theoretical and empirical models. The host star has a V -band magnitude of 12.6, mass of 0 . 94 M , and radius of 0 . 87 R . The relatively high scale height of HATS-5b and the bright, photometrically quiet host star make this planet a favorable target for future transmission spectroscopy follow-up observations. We reexamine the correlations in radius, equilibrium temperature, and metallicity of the close-in gas giants and find hot Jupiter-mass planets to exhibit the strongest dependence between radius and equilibrium temperature. We find no significant dependence in radius and metallicity for the close-in gas giant population.
Publication Date: Jun-2014
Electronic Publication Date: 6-May-2014
Citation: Zhou, G, Bayliss, D, Penev, K, Bakos, GÁ, Hartman, JD, Jordán, A, Mancini, L, Mohler, M, Csubry, Z, Ciceri, S, Brahm, R, Rabus, M, Buchhave, L, Henning, T, Suc, V, Espinoza, N, Béky, B, Noyes, RW, Schmidt, B, Butler, RP, Shectman, S, Thompson, I, Crane, J, Sato, B, Csák, B, Lázár, J, Papp, I, Sári, P, Nikolov, N. (2014). HATS-5b: A Transiting Hot Saturn from the HATSouth Survey. \aj, 147 (144 - 144. doi:10.1088/0004-6256/147/6/144
DOI: doi:10.1088/0004-6256/147/6/144
Type of Material: Journal Article
Journal/Proceeding Title: Astronomical Journal
Version: Final published version. This is an open access article.

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