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  A Saturn-mass companion to HD 93083
  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 93083
    143.58 +/- 0.60
    53181.7 +/- 3.0
    0.14 +/- 0.03
    43.6418 +/- 0.0004
    333.5 +/- 7.9
    18.3 +/- 0.5
    0.37
    0.477
    16
    2.0


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    K3V
    Hipparcos
    pi (mas)
    34.60
    Hipparcos
    d (pc)
    28.90
    Hipparcos
    m_v (mag)
    8.30
    Hipparcos
    B-V (mag)
    0.945
    Hipparcos
    T_eff (K)
    4995 +/- 50
    Lovis et al. 2005
    M_v (mag)
    6.00
    -
    L (L_sol)
    0.41
    -
    log(g) (CGS)
    4.26 +/- 0.19
    Lovis et al. 2005
    M_1 (M_sol)
    0.70 +/- 0.04
    Lovis et al. 2005
    log(R'HK)
    -5.02 +/- 0.02
    Lovis et al. 2005
    P_rot (d)
    48
    Lovis et al. 2005
    Vsini (km/s)
    0.9
    Lovis et al. 2005
    Age (Gyr)
    -
    -
    [Fe/H]
    0.15 +/- 0.06
    Lovis et al. 2005


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    stephane.udry@obs.unige.ch