HATS-4b: A dense hot Jupiter transiting a super metal-rich G star

Jordan, Andres and Brahm, Rafael and Bakos, G. A. and Bayliss, D. and Penev, K. and Hartman, J. D. and Zhou, G. ORCID: https://orcid.org/0000-0002-4891-3517 and Mancini, L. and Mohler-Fischer, M. and Ciceri, S. and Sato, B. and Csubry, Z. and Rabus, M. and Suc, V. and Espinoza, N. and Bhatti, W. and de Val-Borro, M. and Buchhave, L. and Csak, B. and Henning, T. and Schmidt, B. and Tan, T. G. and Noyes, R. W. and Beky, B. and Butler, R. P. and Shectman, S. and Crane, J. and Thompson, I. and Williams, A. and Martin, R. and Contreras, C. and Lazar, J. and Papp, I. and Sari, P. (2014) HATS-4b: A dense hot Jupiter transiting a super metal-rich G star. The Astronomical Journal, 148 (2):29. pp. 1-12. ISSN 0004-6256

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We report the discovery by the HATSouth survey of HATS-4b, an extrasolar planet transiting a V = 13.46 mag G star. HATS-4b has a period of P ≈ 2.5167 days, mass of Mp ≈ 1.32 MJup, radius of Rp ≈ 1.02 RJup, and density of ρp = 1.55 ± 0.16 g cm-3 ≈ 1.24 ρJup. The host star has a mass of 1.00 M⊙, a radius of 0.92 R⊙, and a very high metallicity [Fe/H]=0.43 ± 0.08. HATS-4b is among the densest known planets with masses between 1 and 2 MJ and is thus likely to have a significant content of heavy elements of the order of 75 M⊕. In this paper we present the data reduction, radial velocity measurements, and stellar classification techniques adopted by the HATSouth survey for the CORALIE spectrograph. We also detail a technique for simultaneously estimating vsin i and macroturbulence using high resolution spectra.

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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Faculty/School / Institute/Centre: No Faculty
Faculty/School / Institute/Centre: No Faculty
Date Deposited: 30 Jan 2022 23:03
Last Modified: 30 Jan 2022 23:03
Uncontrolled Keywords: planetary systems; stars: individual: HATS-4 GSC 6505-00217; techniques: photometric; techniques: spectroscopic; Astrophysics - Earth; Planetary Astrophysics
Fields of Research (2008): 02 Physical Sciences > 0201 Astronomical and Space Sciences > 020110 Stellar Astronomy and Planetary Systems
Fields of Research (2020): 51 PHYSICAL SCIENCES > 5101 Astronomical sciences > 510109 Stellar astronomy and planetary systems
Socio-Economic Objectives (2008): E Expanding Knowledge > 97 Expanding Knowledge > 970102 Expanding Knowledge in the Physical Sciences
Socio-Economic Objectives (2020): 28 EXPANDING KNOWLEDGE > 2801 Expanding knowledge > 280120 Expanding knowledge in the physical sciences
Identification Number or DOI: https://doi.org/10.1088/0004-6256/148/2/29
URI: http://eprints.usq.edu.au/id/eprint/44999

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