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  A planet candidate around HD 142022
  Last update: June the 3rd 2006

 
 
 
 
 
 
 
  • "The CORALIE survey for southern extrasolar planets XIV. HD 142022 b: a long-period planetary companion in a wide binary" "
    A. Eggenberger, M. Mayor, D. Naef, F. Pepe, D. Queloz, N.C. Santos, S. Udry, C. Lovis, 2005
    A&A 447, 1159 (ADS)
  • Announced during the Aspen Winter Conference 2005 "Planet Formation and Detection", Aspen, February the 8th 2005

  • Larger image (41 kb)


  • Orbital solution (from Eggenberger et al. 2006):

    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 142022
    1928 +53/-39
    50941 +60/-91
    0.53 +0.23/-0.18
    -9.798 +0.007/-0.01
    170 +8/-10
    92 +102/-29
    5.1 +2.6/-1.5
    3.03 +/- 0.05
    70 (Coralie) +
    6 (Harps)
    10.8 (CORALIE)
    1.4 (HARPS


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    K0
    Hipparcos
    pi (mas)
    27.88
    Hipparcos
    d (pc)
    35.87
    Hipparcos
    m_v (mag)
    7.70
    Hipparcos
    B-V (mag)
    0.790
    Hipparcos
    T_eff (K)
    5499 +/- 27
    Eggenberger et al. 2006
    M_v (mag)
    4.93
    -
    L (L_sol)
    1.01
    -
    log(g) (CGS)
    4.36 +/- 0.04
    Eggenberger et al. 2006
    M_1 (M_sol)
    0.99
    Eggenberger et al. 2006
    log(R'HK)
    -4.97
    Eggenberger et al. 2006
    P_rot (d)
    <48
    Eggenberger et al. 2006
    Vsini (km/s)
    1.2
    Eggenberger et al. 2006
    Age (Gyr)
    >2
    -
    [Fe/H]
    0.19 +/- 0.04
    Eggenberger et al. 2006


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    stephane.udry@obs.unige.ch