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Hats-3b: An inflated hot jupiter transiting an F-type star*

  • D. Bayliss
  • , G. Zhou
  • , K. Penev
  • , G. Á Bakos
  • , J. D. Hartman
  • , A. Jordán
  • , L. Mancini
  • , M. Mohler-Fischer
  • , V. Suc
  • , M. Rabus
  • , B. Béky
  • , Z. Csubry
  • , L. Buchhave
  • , T. Henning
  • , N. Nikolov
  • , B. Csák
  • , R. Brahm
  • , N. Espinoza
  • , R. W. Noyes
  • , B. Schmidt
  • P. Conroy, D. J. Wright, C. G. Tinney, B. C. Addison, P. D. Sackett, D. D. Sasselov, J. Lázár, I. Papp, P. Sári

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

58 Citas (Scopus)

Resumen

We report the discovery by the HATSouth survey of HATS-3b, a transiting extrasolar planet orbiting a V = 12.4 F dwarf star. HATS-3b has a period of P = 3.5479 days, mass of Mp = 1.07 M J, and radius of R p = 1.38 R J. Given the radius of the planet, the brightness of the host star, and the stellar rotational velocity (vsin i = 9.0 km s-1), this system will make an interesting target for future observations to measure the Rossiter-McLaughlin effect and determine its spin-orbit alignment. We detail the low-/medium-resolution reconnaissance spectroscopy that we are now using to deal with large numbers of transiting planet candidates produced by the HATSouth survey. We show that this important step in discovering planets produces log g and T eff parameters at a precision suitable for efficient candidate vetting, as well as efficiently identifying stellar mass eclipsing binaries with radial velocity semi-amplitudes as low as 1 km s-1.

Idioma originalInglés
Número de artículo113
PublicaciónAstronomical Journal
Volumen146
N.º5
DOI
EstadoPublicada - nov 2013
Publicado de forma externa

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