Geneva Observatory Web Page Geneva Planet Search Programmes

 
  A 3.6 Jupiter Mass long Period Planet around HD 190228


  Last update: March the 5th 2005

 
 
 
  • The ELODIE survey for northern extra-solar I. Six new extra-solar planet candidates"
    C. Perrier, J.-P. Sivan, D. Naef, J.-L. Beuzit, M. Mayor, D. Queloz, S. Udry, 2003
    A&A 410, 1039 (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, August 2000, (Sivan et al.)


    • Larger image (373 kb)


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

    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 190228
    1146 +/- 16
    51236 +/- 25
    0.499 +0.047/-0.024
    -50.182 +/- 0.004
    100.7 +/- 3.2
    0.091 +/- 0.005
    3.58
    2.02
    51
    8.0


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    G5IV
    Hipparcos
    pi (mas)
    16.10
    Hipparcos
    d (pc)
    62.1
    Hipparcos
    m_v (mag)
    7.30
    Hipparcos
    B-V (mag)
    0.793
    Hipparcos
    T_eff (K)
    5360 +/- 40
    Santos et al. 2001
    M_v (mag)
    3.33
    -
    L (L_sol)
    4.31
    -
    log(g) (CGS)
    4.02 +/- 0.10
    Santos et al. 2001
    M_1 (M_sol)
    0.83
    Santos et al. 2003
    log(R'HK)
    -
    -
    P_rot (d)
    -
    -
    Vsini (km/s)
    <1
    Elodie, Perrier et al. 2003
    Age (Gyr)
    -
    -
    [Fe/H]
    -0.24 +/- 0.06
    Santos et al. 2001

    ----
    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