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Post Info TOPIC: HAT-P-28b and HAT-P-29b


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HAT-P-28b and HAT-P-29b
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Title: HAT-P-28b and HAT-P-29b: Two Sub-Jupiter Mass Transiting Planets
Authors: L. A. Buchhave, G. A. Bakos, J. D. Hartman, G. Torres, D. W. Latham, J. Andersen, G. Kovacs, R. W. Noyes, A. Shporer, G. A. Esquerdo, D. A. Fischer, J. A. Johnson, G. W. Marcy, A. W. Howard, B. Beky, D. D. Sasselov, G. Furesz, S. N. Quinn, R. P. Stefanik, T. Szklenar, P. Berlind, M. L. Calkins, J. Lazar, I. Papp, P. Sari

We present the discovery of two transiting exoplanets. HAT-P-28b orbits a V=13.03 G3 dwarf star with a period P = 3.2572 d and has a mass of 0.63 0.04 MJ and a radius of 1.21 + 0.11 -0.08 RJ yielding a mean density of 0.44 0.09 g cm-3. HAT-P-29b orbits a V=11.90 F8 dwarf star with a period P = 5.7232 d and has a mass of 0.78 +0.08 -0.04 MJ and a radius of 1.11 +0.14 -0.08 RJ yielding a mean density of 0.71 0.18 g cm-3. We discuss the properties of these planets in the context of other known transiting planets.

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