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Bhatti, Z. Csubry","submitted_at":"2014-02-26T14:07:46Z","abstract_excerpt":"We report the discovery by the HATSouth survey of HATS-4b, an extrasolar planet transiting a V=13.46 mag G star. HATS-4b has a period of P = 2.5167 d, mass of Mp = 1.32 Mj, radius of Rp = 1.02 Rj and density of rho_p = 1.55 +- 0.16 g/cm^3 ~ 1.24 rhoj. The host star has a mass of 1.00 Msun, a radius of 0.92 Rsun and a very high metallicity [Fe/H]= 0.43 +- 0.08. HATS-4b is among the densest known planets with masses between 1-2 Mj and is thus likely to have a significant content of heavy elements of the order of 75 Mearth. 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Jord\\'an, A. Williams, B. B\\'eky, B. Cs\\'ak, B. Sato, B. Schmidt, C. Contreras, D. Bayliss, G.\\'A. Bakos, G. Zhou, I. Papp, I. Thompson, J. Crane, J.D. Hartman, J. L\\'az\\'ar, K. Penev, L. Buchhave, L. Mancini, M. de Val-Borro, M. Mohler-Fischer, M. Rabus, N. Espinoza, P. S\\'ari, R. Brahm, R. Martin, R.P. Butler, R.W. Noyes, S. Ciceri, S. Shectman, T.G. Tan, T. Henning, V. Suc, W. Bhatti, Z. Csubry","submitted_at":"2014-02-26T14:07:46Z","abstract_excerpt":"We report the discovery by the HATSouth survey of HATS-4b, an extrasolar planet transiting a V=13.46 mag G star. HATS-4b has a period of P = 2.5167 d, mass of Mp = 1.32 Mj, radius of Rp = 1.02 Rj and density of rho_p = 1.55 +- 0.16 g/cm^3 ~ 1.24 rhoj. The host star has a mass of 1.00 Msun, a radius of 0.92 Rsun and a very high metallicity [Fe/H]= 0.43 +- 0.08. HATS-4b is among the densest known planets with masses between 1-2 Mj and is thus likely to have a significant content of heavy elements of the order of 75 Mearth. 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