Geneva Observatory Web Page Geneva Planet Search Programmes

 
  A planet around HD 216770

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 (31 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 216770
    118.45 +/- 0.55
    52672 +/- 3.5
    0.37 +/- 0.06
    31.153 +/- 0.002
    281 +/- 10
    30.9 +/- 1.9
    0.65
    0.46
    16
    7.8


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    K0V
    Hipparcos
    pi (mas)
    26.39
    Hipparcos
    d (pc)
    37.9
    Hipparcos
    m_v (mag)
    8.11
    Hipparcos
    B-V (mag)
    0.821
    Hipparcos
    T_eff (K)
    5229
    Flower 1996
    M_v (mag)
    5.22
    -
    L (L_sol)
    0.79
    -
    log(g) (CGS)
    -
    -
    M_1 (M_sol)
    0.90
    Mayor et al. 2004
    log(R'HK)
    -4.84
    Henry et al. 1996
    P_rot (d)
    35.6
    Mayor et al. 2004
    Vsini (km/s)
    1.4
    Coralie, Mayor et al. 2004
    Age (Gyr)
    3.1
    Mayor et al. 2004
    [Fe/H]
    0.23
    Coralie, Mayor et al. 2004

    ----
    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