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HAT-P-38b
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Title: HAT-P-38b: A Saturn-Mass Planet Transiting a Late G Star
Authors: B. Sato, J. D. Hartman, G. A. Bakos, B. Béky, G. Torres, D. W. Latham, G. Kovács, Z. Csubry, K. Penev, R. W. Noyes, L. A. Buchhave, S. N. Quinn, M. Everett, G. A. Esquerdo, D. A. Fischer, A. W. Howard, J. A. Johnson, G. W. Marcy, D. D. Sasselov, T. Szklenár, J. Lázár, I. Papp, P. Sári

We report the discovery of HAT-P-38b, a Saturn-mass exoplanet transiting the V=12.56 dwarf star GSC 2314-00559 on a P = 4.6404 d circular orbit. The host star is a 0.89 solar masses late G-dwarf, with solar metallicity, and a radius of 0.92 solar radii. The planetary companion has a mass of 0.27 Jupiter masses, and radius of 0.82 Jupiter radii. HAT-P-38b is one of the closest planets in mass and radius to Saturn ever discovered.

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