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  A 1.8 Jupiter-mass planet around HD 216437


  Last update: February the 17th 2004

 
 
 
  • "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 "Scientific Frontiers in Research on Extrasolar Planets" conference, Washington, June 2002

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    Larger image (32 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 216437
    1256 +/- 35
    50693 +/- 130
    0.29 +/- 0.12
    -2.278 +/- 0.004
    63 +/- 22
    34.6 +/- 5.7
    1.82
    2.32
    21
    7.2


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    G4IV/V
    Hipparcos
    pi (mas)
    37.71
    Hipparcos
    d (pc)
    26.5
    Hipparcos
    m_v (mag)
    6.04
    Hipparcos
    B-V (mag)
    0.660
    Hipparcos
    T_eff (K)
    5887 +/- 32
    Santos et al. 2001, 2003
    M_v (mag)
    3.92
    -
    L (L_sol)
    2.25
    -
    log(g) (CGS)
    4.30 +/- 0.07
    Santos et al. 2001, 2003
    M_1 (M_sol)
    1.06
    Mayor et al. 2004
    log(R'HK)
    -5.01
    Coralie, Mayor et al. 2004
    P_rot (d)
    26.7
    Mayor et al. 2004
    Vsini (km/s)
    2.5
    Coralie, Mayor et al. 2004
    Age (Gyr)
    5.8
    Mayor et al. 2004
    [Fe/H]
    0.25 +/- 0.04
    Santos et al. 2001, 2003


  • Links:
  • HD 216437 @ exoplanets.org (Independant discovery)

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    stephane.udry@obs.unige.ch