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    Discovery of the Transiting Planet Kepler-5B

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    2010_04_Koch.pdf (414.4Kb)
    Date
    2010-04
    Author
    Koch, David G.
    Borucki, William J.
    Rowe, Jason F.
    Batalha, Natalie M.
    Brown, Timothy M.
    Caldwell, Douglas A.
    Caldwell, John
    Cochran, William D.
    DeVore, Edna
    Dunham, Edward W.
    Dupree, Andrea K.
    Gautier, Thomas N., III
    Geary, John C.
    Gilliland, Ron L.
    Howell, Steve B.
    Jenkins, Jon M.
    Latham, David W.
    Lissauer, Jack J.
    Marcy, Geoff W.
    Morrison, David
    Tarter, Jill
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    Abstract
    We present 44 days of high duty cycle, ultra precise photometry of the 13th magnitude star Kepler-5 (KIC 8191672, T(eff) = 6300 K, log g = 4.1), which exhibits periodic transits with a depth of 0.7%. Detailed modeling of the transit is consistent with a planetary companion with an orbital period of 3.548460 +/- 0.000032 days and a radius of 1.431(-0.052)(+0.041) R(J). Follow-up radial velocity measurements with the Keck HIRES spectrograph on nine separate nights demonstrate that the planet is more than twice as massive as Jupiter with a mass of 2.114(-0.059)(+0.056) M(J) and a mean density of 0.894 +/- 0.079 g cm(-3).
    Department
    Astronomy
    Subject
    planetary systems
    stars: individual (kepler-5, kic 8191672, 2mass
    19573768+4402061)
    techniques: spectroscopic
    parameters
    stellar
    field
    star
    astronomy & astrophysics
    URI
    http://hdl.handle.net/2152/43082
    Citation
    Koch, David G., William J. Borucki, Jason F. Rowe, Natalie M. Batalha, Timothy M. Brown, Douglas A. Caldwell, John Caldwell et al. "Discovery of the transiting planet Kepler-5b." The Astrophysical Journal Letters, Vol. 713, No. 2 (Apr., 2010): L131.
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