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HAT-P-54b: A Hot Jupiter Transiting a 0.6 M$_☉$ Star in Field 0 of the K2 Mission

Author(s): Bakos, Gaspar Aron; Hartman, Joel D.; Bhatti, W; Bieryla, A; de Val-Borro, Miguel; et al

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dc.contributor.authorBakos, Gaspar Aron-
dc.contributor.authorHartman, Joel D.-
dc.contributor.authorBhatti, W-
dc.contributor.authorBieryla, A-
dc.contributor.authorde Val-Borro, Miguel-
dc.contributor.authorLatham, David W.-
dc.contributor.authorBuchhave, Lars A.-
dc.contributor.authorCsubry, Zoltan-
dc.contributor.authorPenev, K-
dc.contributor.authorKovács, G-
dc.contributor.authorBéky, B-
dc.contributor.authorFalco, E-
dc.contributor.authorKovács, T-
dc.contributor.authorHoward, AW-
dc.contributor.authorJohnson, JA-
dc.contributor.authorIsaacson, H-
dc.contributor.authorMarcy, GW-
dc.contributor.authorTorres, G-
dc.contributor.authorNoyes, Robert W.-
dc.contributor.authorBerlind, P-
dc.contributor.authorCalkins, ML-
dc.contributor.authorEsquerdo, GA-
dc.contributor.authorLázár, J.-
dc.contributor.authorPapp, I-
dc.contributor.authorSári, P-
dc.date.accessioned2019-04-10T19:31:37Z-
dc.date.available2019-04-10T19:31:37Z-
dc.date.issued2015-04en_US
dc.identifier.citationBakos, GÁ, Hartman, JD, Bhatti, W, Bieryla, A, de Val-Borro, M, Latham, DW, Buchhave, LA, Csubry, Z, Penev, K, Kovács, G, Béky, B, Falco, E, Kovács, T, Howard, AW, Johnson, JA, Isaacson, H, Marcy, GW, Torres, G, Noyes, RW, Berlind, P, Calkins, ML, Esquerdo, GA, Lázár, J, Papp, I, Sári, P. (2015). HAT-P-54b: A Hot Jupiter Transiting a 0.6 M$_☉$ Star in Field 0 of the K2 Mission. \aj, 149 (149 - 149. doi:10.1088/0004-6256/149/4/149en_US
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1hh62-
dc.description.abstractWe report the discovery of HAT-P-54b, a planet transiting a late K dwarf star in field 0 of the NASA K2 mission. We combine ground-based photometric light curves with radial velocity measurements to determine the physical parameters of the system. HAT-P-54b has a mass of 0.760 0.03  2 MJ, a radius of 0.944 ± 0.028 RJ, and an orbital period of 3.7998 days. The star has V =  13.505 0.060, a mass of 0.645 0.020  M☉, a radius of 0.617 0.013  R☉, an effective temperature of Teff =  4390 50, and a subsolar metallicity of [Fe H] 0.127 0.080 =-  . We also detect a periodic signal with P = 15.6 days and 5.6 mmag amplitude in the light curve, which we interpret as due to the rotation of the star. HAT-P-54b has a radius that is smaller than 92% of the known transiting planets with masses greater than that of Saturn, while HAT-P-54 is one of the lowestmass stars known to host a hot Jupiter. Follow-up high-precision photometric observations by the K2 mission promise to make this a well-studied planetary system.en_US
dc.language.isoen_USen_US
dc.relation.ispartofAstronomical Journalen_US
dc.rightsFinal published version. Article is made available in OAR by the publisher's permission or policy.en_US
dc.titleHAT-P-54b: A Hot Jupiter Transiting a 0.6 M$_☉$ Star in Field 0 of the K2 Missionen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1088/0004-6256/149/4/149-
dc.date.eissued2015-04-06en_US
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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