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  A 1.1 Jupiter-mass planet orbiting HD 20367


  Last update: October the 7th 2002

 
 
 
  • Announced during the "Scientific Frontiers in Research on Extrasolar Planets" conference, Washington D.C., June the 19th 2002

    • Larger image (373 kb)


  • Orbital solution:

    Object
    Period
    (days)
    T0
    (JD - 2 400 000)
    Eccentricity
    V
    (km/s)
    Omega
    (deg)
    K1
    (km/s)
    m2sini
    (M_Jup)
    a
    (AU)
    N
    Residuals
    (m/s)
    HD 20367
    469.5 +/- 9.3
    51860 +/- 18
    0.32 +/- 0.09
    6.450 +/- 0.002
    135 +/- 16
    0.029 +/- 0.003
    1.17
    1.25
    27
    10.1


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    G0
    Hipparcos
    pi (mas)
    36.86
    Hipparcos
    d (pc)
    27.1
    Hipparcos
    m_v (mag)
    6.40
    Hipparcos
    B-V (mag)
    0.574
    Hipparcos
    T_eff (K)
    6100 +/- 100
    Santos et al. 2002
    M_v (mag)
    4.23
    -
    L (L_sol)
    1.67
    -
    log(g) (CGS)
    4.55 +/- 0.17
    Santos et al. 2002
    M_1 (M_sol)
    1.17
    Geneva models, Schaerer et al. 1993
    log(R'HK)
    -
    -
    P_rot (d)
    -
    -
    Vsini (km/s)
    2.91 +/- 0.63
    Elodie, Perrier et al. 2002
    Age (Gyr)
    -
    -
    [Fe/H]
    0.14 +/- 0.10
    Santos et al. 2002

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    stephane.udry@obs.unige.ch