Hat-P-28b and Hat-P-29b: Two Sub-Jupiter Mass Transiting Planets

• Published in: The Astrophysical Journal
• Main Authors: Buchhave, L. A., Bakos, G. Ã., Hartman, J. D., Torres, G., Latham, D. W., Andersen, J., Kovács, G., Noyes, R. W., Shporer, A., Esquerdo, G. A., Fischer, D. A., Johnson, J. A., Marcy, G. W., Howard, A. W., Béky, B., Sasselov, D. D., Fűrész, G., Quinn, S. N., Stefanik, R. P., Szklenár, T., Berlind, P., Calkins, M. L., Lázár, J., Papp, I., Sári, P.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: American Astronomical Society 2011
• Subjects: planetary systems; stars: individual (HAT-P-28; GSC 2284-00503; HAT-P-29; GSC 3293-01539); techniques: photometric; techniques: spectroscopic; Norway; Jupiter; Observatorio; Iceland
• Online Access: https://doi.org/10.1088/0004-637X/733/2/116

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 days and has a mass of 0.63 ± 0.04 M_J and a radius of 1.21^(+0.11)_(–0.08) R_J yielding a mean density of 0.44 ± 0.09 g cm^(–3). HAT-P-29b orbits a V = 11.90 F8 dwarf sta...