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HATS-6b: A Warm Saturn Transiting an Early M Dwarf Star, and a Set of Empirical Relations for Characterizing K and M Dwarf Planet Hosts

Author(s): Hartman, JD; Bayliss, D; Brahm, R; Bakos, Gaspar Aron; Mancini, L; et al

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dc.contributor.authorHartman, JD-
dc.contributor.authorBayliss, D-
dc.contributor.authorBrahm, R-
dc.contributor.authorBakos, Gaspar Aron-
dc.contributor.authorMancini, L-
dc.contributor.authorJordán, A-
dc.contributor.authorPenev, K-
dc.contributor.authorRabus, M-
dc.contributor.authorZhou, G-
dc.contributor.authorButler, RP-
dc.contributor.authorEspinoza, N-
dc.contributor.authorde Val-Borro, M-
dc.contributor.authorBhatti, W-
dc.contributor.authorCsubry, Z-
dc.contributor.authorCiceri, S-
dc.contributor.authorHenning, T-
dc.contributor.authorSchmidt, B-
dc.contributor.authorArriagada, P-
dc.contributor.authorShectman, S-
dc.contributor.authorCrane, J-
dc.contributor.authorThompson, I-
dc.contributor.authorSuc, V-
dc.contributor.authorCsák, B-
dc.contributor.authorTan, TG-
dc.contributor.authorNoyes, RW-
dc.contributor.authorLázár, J-
dc.contributor.authorPapp, I-
dc.contributor.authorSári, P-
dc.date.accessioned2019-04-10T19:31:36Z-
dc.date.available2019-04-10T19:31:36Z-
dc.date.issued2015-05en_US
dc.identifier.citationHartman, JD, Bayliss, D, Brahm, R, Bakos, GÁ, Mancini, L, Jordán, A, Penev, K, Rabus, M, Zhou, G, Butler, RP, Espinoza, N, de Val-Borro, M, Bhatti, W, Csubry, Z, Ciceri, S, Henning, T, Schmidt, B, Arriagada, P, Shectman, S, Crane, J, Thompson, I, Suc, V, Csák, B, Tan, TG, Noyes, RW, Lázár, J, Papp, I, Sári, P. (2015). HATS-6b: A Warm Saturn Transiting an Early M Dwarf Star, and a Set of Empirical Relations for Characterizing K and M Dwarf Planet Hosts. \aj, 149 (166 - 166. doi:10.1088/0004-6256/149/5/166en_US
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1n980-
dc.description.abstractWe report the discovery by the HATSouth survey of HATS-6b, an extrasolar planet transiting a V = 15.2 mag, i = 13.7 mag M1V star with a mass of 0.57 M and a radius of 0.57 R. HATS-6b has a period of P = 3.3253 d, mass of Mp = 0.32 MJ , radius of Rp = 1.00 RJ , and zero-albedo equilibrium temperature of Teq = 712.8 ± 5.1 K. HATS-6 is one of the lowest mass stars known to host a close-in gas giant planet, and its transits are among the deepest of any known transiting planet system. We discuss the follow-up opportunities afforded by this system, noting that despite the faintness of the host star, it is expected to have the highest K-band S/N transmission spectrum among known gas giant planets with Teq < 750 K. In order to characterize the star we present a new set of empirical relations between the density, radius, mass, bolometric magnitude, and V-, J-, H- and K-band bolometric corrections for main sequence stars with M < 0.80 M, or spectral types later than K5. These relations are calibrated using eclipsing binary components as well as members of resolved binary systems. We account for intrinsic scatter in the relations in a self-consistent manner. We show that from the transit-based stellar density alone it is possible to measure the mass and radius of a ∼0.6 M star to ∼7 and ∼2% precision, respectively. Incorporating additional information, such as the V - K color, or an absolute magnitude, allows the precision to be improved by up to a factor of two.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.titleHATS-6b: A Warm Saturn Transiting an Early M Dwarf Star, and a Set of Empirical Relations for Characterizing K and M Dwarf Planet Hostsen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1088/0004-6256/149/5/166-
dc.date.eissued2015-04-28en_US
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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