HATS-17b: A TRANSITING COMPACT WARM JUPITER in A 16.3 DAY CIRCULAR ORBIT

R. Brahm, A. Jordán, G. Bakos, K. Penev, N. Espinoza, M. Rabus, J. D. Hartman, D. Bayliss, S. Ciceri, G. Zhou, L. Mancini, T. G. Tan, M. De Val-Borro, W. Bhatti, Z. Csubry, J. Bento, T. Henning, B. Schmidt, F. Rojas, V. SucJ. Lázár, I. Papp, P. Sári

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36 Citas (Scopus)

Resumen

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 = days. HATS-17b has a very compact radius of 0.777 ± 0.056 RJ given its Jupiter-like mass of 1.338 ± 0.065MJ. 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 follow-up observations to characterize the orbital geometry of the system and the atmosphere of the planet.

Idioma originalInglés
Número de artículo89
PublicaciónAstronomical Journal
Volumen151
N.º4
DOI
EstadoPublicada - abr. 2016
Publicado de forma externa

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