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HATS-50b through HATS-53b: Four Transiting Hot Jupiters Orbiting G-type Stars Discovered by the HATSouth Survey

Author(s): Henning, Th; Mancini, L; Sarkis, P; Bakos, Gaspar Aron; Hartman, Joel D.; et al

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dc.contributor.authorHenning, Th-
dc.contributor.authorMancini, L-
dc.contributor.authorSarkis, P-
dc.contributor.authorBakos, Gaspar Aron-
dc.contributor.authorHartman, Joel D.-
dc.contributor.authorBayliss, D-
dc.contributor.authorBento, J-
dc.contributor.authorBhatti, W-
dc.contributor.authorBrahm, R-
dc.contributor.authorCiceri, S-
dc.contributor.authorCsubry, Zoltan-
dc.contributor.authorde Val-Borro, Miguel-
dc.contributor.authorEspinoza, N-
dc.contributor.authorFulton, BJ-
dc.contributor.authorHoward, AW-
dc.contributor.authorIsaacson, HT-
dc.contributor.authorJordán, A.-
dc.contributor.authorMarcy, GW-
dc.contributor.authorPenev, K-
dc.contributor.authorRabus, M-
dc.contributor.authorSuc, V-
dc.contributor.authorTan, TG-
dc.contributor.authorTinney, CG-
dc.contributor.authorWright, DJ-
dc.contributor.authorZhou, G-
dc.contributor.authorDurkan, S-
dc.contributor.authorLázár, J.-
dc.contributor.authorPapp, I-
dc.contributor.authorSári, P-
dc.identifier.citationHenning, Th, Mancini, L, Sarkis, P, Bakos, GÁ, Hartman, JD, Bayliss, D, Bento, J, Bhatti, W, Brahm, R, Ciceri, S, Csubry, Z, de Val-Borro, M, Espinoza, N, Fulton, BJ, Howard, AW, Isaacson, HT, Jordán, A, Marcy, GW, Penev, K, Rabus, M, Suc, V, Tan, TG, Tinney, CG, Wright, DJ, Zhou, G, Durkan, S, Lazar, J, Papp, I, Sari, P. (2018). HATS-50b through HATS-53b: Four Transiting Hot Jupiters Orbiting G-type Stars Discovered by the HATSouth Survey. \aj, 155 (79 - 79. doi:10.3847/1538-3881/aaa254en_US
dc.description.abstractWe report the discovery of four close-in transiting exoplanets (HATS-50b through HATS-53b), discovered using the HATSouth three-continent network of homogeneous and automated telescopes. These new exoplanets belong to the class of hot Jupiters and orbit G-type dwarf stars, with brightness in the range V = 12.5–14.0 mag. While HATS-53 has many physical characteristics similar to the Sun, the other three stars appear to be metal-rich ([Fe H 0.2 0. ] – = 3), larger, and more massive. Three of the new exoplanets, namely HATS-50b, HATS-51b, and HATS-53b, have low density (HATS-50b: 0.39 0.10  MJ, 1.130 0.075  RJ; HATS-51b: 0.768 0.045  MJ, 1.41 0.19  RJ; HATS-53b: 0.595 0.089  MJ, 1.340 0.056  RJ) and similar orbital periods (3.8297 days, 3.3489 days, 3.8538 days, respectively). Instead, HATS-52b is more dense (mass 2.24 0.15  MJ and radius 1.382 0.086  RJ) and has a shorter orbital period (1.3667 days). It also receives an intensive radiation from its parent star and, consequently, presents a high equilibrium temperature (Teq =  1834 73 K). HATS-50 shows a marginal additional transit feature consistent with an ultra-short-period hot super Neptune (upper mass limit 0.16 MJ), which will be able to be confirmed with TESS photometry.en_US
dc.relation.ispartofAstronomical Journalen_US
dc.rightsFinal published version. This is an open access article.en_US
dc.titleHATS-50b through HATS-53b: Four Transiting Hot Jupiters Orbiting G-type Stars Discovered by the HATSouth Surveyen_US
dc.typeJournal Articleen_US

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