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  A sub-Saturn mass companion to HD 102117
  Last update: July the 11th 2005

 
 
 
 
 
 
  • "The HARPS search for southern extra-solar planets. III. Three Saturn-mass planets around HD 93083, HD 101930 and HD 102117 "
    C. Lovis, M. Mayor, F. Bouchy, F. Pepe, D. Queloz, N.C. Santos, S. Udry, W. Benz, J.-L. Bertaux, C. Mordasini, J.-P. Sivan, 2005
    A&A 437, 1121 (ADS)
  • Announced during the Aspen Winter Conference 2005 "Planet Formation and Detection", Aspen, February the 8th 2005

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    Larger image (33 kb)


  • Orbital solution (from Lovis et al. 2005):

    Object
    Period
    (days)
    T0
    (JD - 2 400 000)
    Eccentricity
    V
    (km/s)
    Omega
    (deg)
    K1
    (m/s)
    m2sini
    (M_Jup)
    a
    (AU)
    N
    Residuals
    (m/s)
    HD 102117
    20.67 +/- 0.04
    53100.1 +/- 0.1
    0.00 +/- 0.07
    49.5834 +/- 0.0003
    162.8 +/- 0.4
    10.2 +/- 0.4
    0.14
    0.149
    13
    0.9


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    G6V
    Hipparcos
    pi (mas)
    23.81
    Hipparcos
    d (pc)
    42.0
    Hipparcos
    m_v (mag)
    7.47
    Hipparcos
    B-V (mag)
    0.721
    Hipparcos
    T_eff (K)
    5672 +/- 22
    Lovis et al. 2005
    M_v (mag)
    4.35
    -
    L (L_sol)
    1.57
    -
    log(g) (CGS)
    4.27 +/- 0.07
    Lovis et al. 2005
    M_1 (M_sol)
    1.03 +/- 0.05
    Lovis et al. 2005
    log(R'HK)
    -5.03 +/- 0.02
    Lovis et al. 2005
    P_rot (d)
    34
    Lovis et al. 2005
    Vsini (km/s)
    1.5
    Lovis et al. 2005
    Age (Gyr)
    -
    -
    [Fe/H]
    0.30 +/- 0.03
    Lovis et al. 2005


  • Links:
  • HD 102117 @ exoplanets.org

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    stephane.udry@obs.unige.ch