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  A 5.2 Jupiter-mass planet orbiting HD 50554


  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)
  • April 4th 2001 ESO Press Release


    • Larger image (373)


  • 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 50554
    1293 +/- 37
    51832.4 +/- 15
    0.501 +/- 0.030
    -3.817 +/- 0.002
    355.7 +/- 4.4
    0.104 +/- 0.005
    5.16
    2.41
    41
    11.8


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    F8
    Hipparcos
    pi (mas)
    32.23
    Hipparcos
    d (pc)
    31.0
    Hipparcos
    m_v (mag)
    6.84
    Hipparcos
    B-V (mag)
    0.582
    Hipparcos
    T_eff (K)
    6050 +/- 50
    Santos et al. 2003
    M_v (mag)
    4.38
    -
    L (L_sol)
    1.45
    -
    log(g) (CGS)
    4.59 +/- 0.15
    Santos et al. 2003
    M_1 (M_sol)
    1.11
    Santos et al. 2003
    log(R'HK)
    -4.94
    Fischer et al. 2002
    P_rot (d)
    16.1
    Noyes et al. 1984
    Vsini (km/s)
    3.32 +/- 0.59
    Elodie, Perrier et al. 2003
    Age (Gyr)
    4.5
    Donahue 1993
    [Fe/H]
    0.02 +/- 0.06
    Santos et al. 2003


  • Links:
  • HD 50554 @ exoplanets.org (Confirmation)

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    stephane.udry@obs.unige.ch