HAT-P-49b: A 1.7 MJ planet transiting a bright 1.5 M⊙F-star

A. Bieryla, J. D. Hartman, G. Á Bakos, W. Bhatti, G. Kovács, I. Boisse, D. W. Latham, L. A. Buchhave, Z. Csubry, K. Penev, M. De Val-Borro, B. Béky, E. Falco, G. Torres, R. W. Noyes, P. Berlind, M. C. Calkins, G. A. Esquerdo, J. Lázár, I. PappP. Sári

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Abstract

We report the discovery of the transiting extrasolar planet HAT-P-49b. The planet transits the bright (V = 10.3) slightly evolved F-star HD 340099 with a mass of 1.54 M⊙and a radius of 1.83 R ⊙ . HAT-P-49b is orbiting one of the 25 brightest stars to host a transiting planet which makes this a favorable candidate for detailed follow-up. This system is an especially strong target for Rossiter-McLaughlin follow-up due to the host star's fast rotation, 16 km s-1. The planetary companion has a period of 2.6915 days, mass of 1.73 M J, and radius of 1.41 R J. The planetary characteristics are consistent with that of a classical hot Jupiter but we note that this is the fourth most massive star to host a transiting planet with both Mp and Rp well determined.

Original languageEnglish (US)
Article number84
JournalAstronomical Journal
Volume147
Issue number4
DOIs
StatePublished - Apr 1 2014

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Keywords

  • HD 340099)techniques
  • individual (HAT-P-49
  • photometrictechniques
  • planetary systems stars
  • spectroscopic

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    Bieryla, A., Hartman, J. D., Bakos, G. Á., Bhatti, W., Kovács, G., Boisse, I., Latham, D. W., Buchhave, L. A., Csubry, Z., Penev, K., De Val-Borro, M., Béky, B., Falco, E., Torres, G., Noyes, R. W., Berlind, P., Calkins, M. C., Esquerdo, G. A., Lázár, J., ... Sári, P. (2014). HAT-P-49b: A 1.7 MJ planet transiting a bright 1.5 M⊙F-star. Astronomical Journal, 147(4), [84]. https://doi.org/10.1088/0004-6256/147/4/84