Geneva Observatory Web Page Geneva Planet Search Programmes

 
  A Planetary system around HD 169830


  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)
  • "The CORALIE survey for southern extrasolar planets V: 3 new extrasolar planets"
    D. Naef, M. Mayor, F. Pepe, D. Queloz, N.C. Santos, S. Udry, M . Burnet, 2001
    A&A 375, 205 (ADS)

  • ESO Press Release: 1st planet announcement

  • HD 169830 c announced during the XIX th IAP Colloquium "Extrasolar Planets: Today & Tormorrow", Paris, June 2003


    • Larger image (47 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 169830 b
    225.62 +/- 0.22
    51923 +/- 1
    0.31 +/- 0.01
    -17.209 +/- 0.006
    148 +/- 2
    80.7 +/- 0.9
    2.88
    0.81
    112
    8.9
    HD 169830 c
    2102 +/- 264
    52516 +/- 25
    0.33 +/- 0.02
    -
    252 +/- 8
    54.3 +/- 3.6
    4.04
    3.60
    "
    "


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    F8V
    Hipparcos
    pi (mas)
    27.53
    Hipparcos
    d (pc)
    36.32
    Hipparcos
    m_v (mag)
    5.90
    Hipparcos
    B-V (mag)
    0.517
    Hipparcos
    T_eff (K)
    6299 +/- 41
    Santos et al. 2001, 2003
    M_v (mag)
    3.10
    -
    L (L_sol)
    4.59
    -
    log(g) (CGS)
    4.10 +/- 0.02
    Santos et al. 2001, 2003
    M_1 (M_sol)
    1.4
    Geneva models, Schaerer et al. 1993
    log(R'HK)
    -4.82
    Coralie, Mayor et al. 2003
    P_rot (d)
    8.3
    Mayor et al. 2003
    Vsini (km/s)
    3.3
    Coralie, Mayor et al. 2003
    Age (Gyr)
    2.8
    Mayor et al. 2003
    [Fe/H]
    0.21 +/- 0.05
    Santos et al. 2001, 2003

    ----
    Group Logo
    Extrasolar planet page

    Group Logo
    Planet Search and Stellar Kinematics group page

    Geneva Observatory Logo
    Geneva observatory

    Geneva University banner
    University of Geneva

     

    stephane.udry@obs.unige.ch