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HATS-3b: An Inflated Hot Jupiter Transiting an F-type Star

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

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Abstract: We report the discovery by the HATSouth survey of HATS-3b, a transiting extrasolar planet orbiting a V = 12 . 4F dwarf star. HATS-3b has a period of P = 3 . 5479 days, mass of M p = 1 . 07 M J , and radius of R p = 1 . 38 R J .Given the radius of the planet, the brightness of the host star, and the stellar rotational velocity ( v sin i = 9 . 0kms − 1 ), this system will make an interesting target for future observations to measure the Rossiter–McLaughlin effect and determine its spin–orbit alignment. We detail the low- / medium-resolution reconnaissance spectroscopy that we are now using to deal with large numbers of transiting planet candidates produced by the HATSouth survey. We show that this important step in discovering planets produces log g and T eff parameters at a precision suitable for efficient candidate vetting, as well as efficiently identifying stellar mass eclipsing binaries with radial velocity semi-amplitudes as low as 1 km s − 1 .
Publication Date: Nov-2013
Electronic Publication Date: 27-Sep-2013
Citation: Bayliss, D, Zhou, G, Penev, K, Bakos, GÁ, Hartman, JD, Jordán, A, Mancini, L, Mohler-Fischer, M, Suc, V, Rabus, M, Béky, B, Csubry, Z, Buchhave, L, Henning, T, Nikolov, N, Csák, B, Brahm, R, Espinoza, N, Noyes, RW, Schmidt, B, Conroy, P, Wright, DJ, Tinney, CG, Addison, BC, Sackett, PD, Sasselov, DD, Lázár, J, Papp, I, Sári, P. (2013). HATS-3b: An Inflated Hot Jupiter Transiting an F-type Star. \aj, 146 (113 - 113. doi:10.1088/0004-6256/146/5/113
DOI: doi:10.1088/0004-6256/146/5/113
Type of Material: Journal Article
Journal/Proceeding Title: Astronomical Journal
Version: Final published version. This is an open access article.

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