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HATS-31b through HATS-35b: Five Transiting Hot Jupiters Discovered By the HATSouth Survey

Author(s): de Val-Borro, Miguel; Bakos, Gaspar Aron; Brahm, R; Hartman, Joel D.; Espinoza, N; et al

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Abstract: We report the discovery of five new transiting hot-Jupiter planets discovered by the HATSouth survey, HATS-31b through HATS-35b. These planets orbit moderately bright stars with V magnitudes within the range of 11.9–14.4 mag while the planets span a range of masses of 0.88–1.22 MJ and have somewhat inflated radii between 1.23 and 1.64 RJ. These planets can be classified as typical hot Jupiters, with HATS-31b and HATS-35b being moderately inflated gas giant planets with radii of 1.64 0.2  2 RJ and - + 1.464 0.044 0.069 RJ, respectively, that can be used to constrain inflation mechanisms. All five systems present a higher Bayesian evidence for a fixed-circular-orbit model than for an eccentric orbit. The orbital periods range from 1.8209993 0.0000016  day for HATS-35b) to 3.377960 0.00001  2 day for HATS-31b. Additionally, HATS-35b orbits a relatively young F star with an age of 2.13 0.51  Gyr. We discuss the analysis to derive the properties of these systems and compare them in the context of the sample of well-characterized transiting hot Jupiters known to date.
Publication Date: Dec-2016
Electronic Publication Date: 11-Nov-2016
Citation: de Val-Borro, M, Bakos, GÁ, Brahm, R, Hartman, JD, Espinoza, N, Penev, K, Ciceri, S, Jordán, A, Bhatti, W, Csubry, Z, Bayliss, D, Bento, J, Zhou, G, Rabus, M, Mancini, L, Henning, T, Schmidt, B, Tan, TG, Tinney, CG, Wright, DJ, Kedziora-Chudczer, L, Bailey, J, Suc, V, Durkan, S, Lázár, J, Papp, I, Sári, P. (2016). HATS-31b through HATS-35b: Five Transiting Hot Jupiters Discovered By the HATSouth Survey. \aj, 152 (161 - 161. doi:10.3847/0004-6256/152/6/161
DOI: doi:10.3847/0004-6256/152/6/161
Type of Material: Journal Article
Journal/Proceeding Title: Astronomical Journal
Version: Author's manuscript

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