Geneva Observatory Web Page Geneva Planet Search Programmes

 
  A Jupiter-mass companion to HD 52265


  Last update: January the 8th 2005

 
 
 
  • "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


    • Larger image (373 kb)


  • Orbital solution (from Naef et al. 2001):

    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 52265
    119.6 +/- 0.42
    51422.3 +/- 1.7
    0.35 +/- 0.03
    53.769 +/- 0.001
    211 +/- 6
    0.042 +/- 0.001
    1.05
    0.5
    71
    7.3


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    G0V
    Hipparcos
    pi (mas)
    35.63
    Hipparcos
    d (pc)
    28.07
    Hipparcos
    m_v (mag)
    6.29
    Hipparcos
    B-V (mag)
    0.572
    Hipparcos
    T_eff (K)
    6060 +/- 50
    Santos et al. 2000
    M_v (mag)
    4.05
    -
    L (L_sol)
    1.98
    -
    log(g) (CGS)
    4.29 +/- 0.25
    Santos et al. 2000
    M_1 (M_sol)
    1.18
    Geneva models, Schaerer et al. 1993
    log(R'HK)
    -4.91
    Coralie
    P_rot (d)
    14.6
    Noyes et al. 1984
    Vsini (km/s)
    5.2
    Coravel
    Age (Gyr)
    4.0
    Donahue 1993
    [Fe/H]
    0.21 +/- 0.06
    Santos et al. 2000


  • Links:
  • HD 52265 @ exoplanets.org (Independant discovery)

    • ----
    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