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  A 0.4 M_Jup planet orbiting HD 6434


  Last update: January the 8th 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)
  • Announcement press release, IAU General Assembly, Symp. 202, Manchester, august 7th 2000

  • Proceedings of the "Planetary Systems in the Univers" IAU Symp. 202, Manchester, Aug. 2000, (Queloz et al.)



    • Larger image (49 kb)


  • Orbital solution (from Mayor et al. 2003):

    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 6434
    21.998 +/- 0.009
    51490.8 +/- 0.6
    0.17 +/- 0.03
    23.023 +/- 0.001
    156 +/- 11
    34.2 +/- 1.1
    0.39
    0.14
    130
    10.6


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    G3IV
    Hipparcos
    pi (mas)
    24.80
    Hipparcos
    d (pc)
    40.32
    Hipparcos
    m_v (mag)
    7.72
    Hipparcos
    B-V (mag)
    0.613
    Hipparcos
    T_eff (K)
    5835 +/- 59
    Santos et al. 2001, 2003
    M_v (mag)
    4.69
    -
    L (L_sol)
    1.12
    -
    log(g) (CGS)
    4.6 +/- 0.12
    Santos et al. 2001, 2003
    M_1 (M_sol)
    0.79
    Mayor et al. 2003
    log(R'HK)
    -4.89
    Henry et al. 1996
    P_rot (d)
    18.6
    Mayor et al. 2003
    Vsini (km/s)
    2.3
    Coralie, Mayor et al. 2003
    Age (Gyr)
    3.8
    Mayor et al. 2003
    [Fe/H]
    -0.52 +/- 0.08
    Santos et al. 2001, 2003


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    stephane.udry@obs.unige.ch