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  HD 111232 b: a planet around a high-velocity star

Last update: March 6th 2005
 
 
 
 
 
  • "The CORALIE survey for southern extra-solar planets. XII. Orbital solutions for 16 extra-solar planets detected with CORALIE"
    M. Mayor, S. Udry, D. Naef, F. Pepe, D. Queloz, N.C. Santos, M. Burnet, 2004
    A&A 415, 391 (ADS)
  • Announced during the XIX th IAP Colloquium "Extrasolar Planets: Today & Tormorrow", Paris, June 2003


    • Larger image (34 kb)


  • Orbital solution (from Mayor et al. 2004):

    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 111232
    1143 +/- 14
    51230 +/- 20
    0.20 +/- 0.01
    104.4 +/- 0.001
    98 +/- 6.0
    159.3 +/- 2.3
    6.8
    1.97
    38
    7.5



  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    G5V
    Hipparcos
    pi (mas)
    34.63
    Hipparcos
    d (pc)
    28.9
    Hipparcos
    m_v (mag)
    7.59
    Hipparcos
    B-V (mag)
    0.701
    Hipparcos
    T_eff (K)
    5494 +/- 26
    Santos et al. 2003
    M_v (mag)
    5.29
    -
    L (L_sol)
    0.69
    -
    log(g) (CGS)
    4.50 +/- 0.10
    Santos et al. 2003
    M_1 (M_sol)
    0.78
    Mayor et al. 2004
    log(R'HK)
    -4.98
    Henry et al. 1996
    P_rot (d)
    30.6
    Mayor et al. 2004
    Vsini (km/s)
    1.2
    Coralie, Mayor et al. 2004
    Age (Gyr)
    5.2
    Mayor et al. 2004
    [Fe/H]
    -0.36 +/- 0.04
    Santos et al. 2003

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    stephane.udry@obs.unige.ch