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HATS-7b: a hot super Neptune transiting a quiet K dwarf star

Bakos, G. A.; Penev, K.; Bayliss, Daniel; Hartman, J. D.; Zhou, Guyin (George); Brahm, R.; Mancini, L.; De Val-Borro, M.; Bhatti, Waqas; Jordan, A.; Rabus, M.; Espinoza, N.; Csubry, Z.; Howard, Andrew; Fulton, B. J.; Buchhave, L. A.; Ciceri, Simona; Henning, T.; Schmidt, Brian; Isaacson, H.; Noyes, R. W.; Marcy, G. W.; Suc, V.; Howe, A. R.; Burrows, A.; Lazar, J.; Papp, I.; Sari, P.


We report the discovery by the HATSouth network of HATS-7b, a transiting Super-Neptune with a mass of 0.120 ± 0.012 MJ, a radius of 0.563-0.034 +0.046 RJ, and an orbital period of 3.1853 days. The host star is a moderately bright (V = 13.340 ± 0.010 mag, KS = 10.976 ± 0.026 mag) K dwarf star with a mass of 0.849 ± 0.027 M⊙, a radius of 0.815-0.035 +0.049 R⊙, and a metallicity of [Fe H] = +0.250 ± 0.080. The star is photometrically quiet to within the precision of the HATSouth measurements, has...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/813/2/111
Access Rights: Open Access


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