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

Research output: Contribution to journalArticlepeer-review

Abstract

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
Volume673
Issue number1 PART 2
DOIs
StatePublished - 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Keywords

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

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