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HAT-P-39b–HAT-P-41b: THREE HIGHLY INFLATED TRANSITING HOT JUPITERS

2012; Institute of Physics; Volume: 144; Issue: 5 Linguagem: Inglês

10.1088/0004-6256/144/5/139

1538-3881

J. D. Hartman, G. Á. Bakos, B. Béky, Guillermo Torres, David W. Latham, Z. Csubry, K. Penev, Avi Shporer, Benjamin J. Fulton, Lars A. Buchhave, John Asher Johnson, Andrew W. Howard, Geoffrey W. Marcy, Debra A. Fischer, G. Kovács, R. W. Noyes, Gilbert A. Esquerdo, Mark E. Everett, T. Szklenár, Samuel N. Quinn, Allyson Bieryla, Russell P. Knox, Philip M. Hinz, Dimitar Sasselov, Gábor Fűrész, R. P. Stefanik, J. Lázár, I. Papp, P. Sári,

Astronomy and Astrophysical Research

We report the discovery of three new transiting extrasolar planets orbiting moderately bright (V = 11.1, 11.7, and 12.4) F stars. The planets HAT-P-39b through HAT-P-41b have periods of P = 3.5439 days, 4.4572 days, and 2.6940 days, masses of 0.60 MJ, 0.62 MJ, and 0.80 MJ, and radii of 1.57 RJ, 1.73 RJ, and 1.68 RJ, respectively. They orbit stars with masses of 1.40 M☉, 1.51 M☉, and 1.51 M☉, respectively. The three planets are members of an emerging population of highly inflated Jupiters with 0.4 MJ < M < 1.5 MJ and R > 1.5 RJ.