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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 709676.0, MPI für Astronomie / Publikationen_mpia
HATS-5b: A transiting hot Saturn from the HATSouth survey
Authors:Zhou, G.; Bayliss, D.; Penev, K.; Bakos, G. Á.; Hartman, J. D.; 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, R. W.; Schmidt, B.; Butler, R. P.; Shectman, S.; Thompson, I.; Crane, J.; Sato, B.; Csák, B.; Lázár, J.; Papp, I.; Sári, P.; Nikolov, N.
Date of Publication (YYYY-MM-DD):2014
Title of Journal:The Astronomical Journal
Start Page:id. 144 (9 pp)
Audience:Not Specified
Abstract / Description: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 M J, 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 &sun;, and radius of 0.87 R &sun;. 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. The HATSouth network is operated by a collaboration consisting of Princeton University (PU), the Max Planck Institute für Astronomie (MPIA), and the Australian National University (ANU). The station at Las Campanas Observatory (LCO) of the Carnegie Institute is operated by PU in conjunction with collaborators at the Pontificia Universidad Católica de Chile (PUC), the station at the High Energy Spectroscopic Survey (HESS) site is operated in conjunction with MPIA, and the station at Siding Spring Observatory (SSO) is operated jointly with ANU. This paper includes data gathered with the 6.5 m Magellan Telescopes located at Las Campanas Observatory, Chile.
Free Keywords:stars: individual: HATS-5 GSC 5897-00933; techniques: photometric; techniques: spectroscopic
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:ISSN:0004-6256 %R 10.1088/0004-6256/147/6/144
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