HAT-P-6b: A hot jupiter transiting a bright F star

R. W. Noyes, G. Á Bakos, G. Torres, A. Pál, Géza Kovács, D. W. Latham, J. M. Fernández, D. A. Fischer, R. P. Butler, G. W. Marcy, B. Sipocz, G. A. Esquerdo, Gábor Kovács, D. D. Sasselov, B. Sato, R. Stefanik, M. Holman, J. Lázár, I. Papp, P. Sári

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62 Scopus citations


In the ongoing HATNet survey we have detected a giant planet, with radius 1.33 ± 0.06 RJup and mass 1.06 ± 0.12 MJup, transiting the bright (V =10.5) star GSC 03239-00992. The planet is in a circular orbit with period 3.852985 ± 0.000005 days and midtransit epoch 2,454,035.67575 ± 0.00028 (HJD). The parent star is a late F star with mass 1.29 ± 0.06 M 1.46 ± 0.06 R Teff ∼ 6570 ± 80 K [Fe/H] = - 0.13 ± 0.082.3, and age ∼2.3+0.5-0.7 Gyr. With this radius and mass, HAT-P-6b has somewhat larger radius than theoretically expected. We describe the observations and their analysis to determine physical properties of the HAT-P-6 system, and briefly discuss some implications of this finding.

Original languageEnglish (US)
Pages (from-to)L79-L82
JournalAstrophysical Journal
Issue number1 PART 2
StatePublished - 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


  • Planetary systems
  • Stars: individual (GSC 03239-00992, HAT-P-6)


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