HATS-5b: A transiting hot saturn from the HATsouth survey

G. Zhou, D. Bayliss, K. Penev, G. Á Bakos, J. D. Hartman, A. Jordán, L. Mancini, M. Mohler, Z. Csubry, S. Ciceri, R. Brahm, M. Rabus, L. Buchhave, T. Henning, V. Suc, N. Espinoza, B. Béky, R. W. Noyes, B. Schmidt, R. P. ButlerS. Shectman, I. Thompson, J. Crane, B. Sato, B. Csák, J. Lázár, I. Papp, P. Sári, N. Nikolov

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24 Citas (Scopus)


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 Mp 0.24 MJ, radius of Rp 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.

Idioma originalInglés
Número de artículo144
PublicaciónAstronomical Journal
EstadoPublicada - jun. 2014
Publicado de forma externa


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