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  HD 73267 b: a massive long-period planet
  Last update: October 26 2008

 
 
  • "The HARPS search for southern extra-solar planets. XVII Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377 HD 153950"
    C. Moutou, M. Mayor, G. Lo Curto, S. Udry, F. Bouchy, W. Benz, C. Lovis, D. Naef, F. Pepe, D. Queloz, N.C. Santos, 2008
    A&A in press (atro-ph/0810.4662)

    •  
    Larger image
    HARPS radial-velocity data for HD 73267
    Top: Temporal velocities and fitted orbital solution.
    Bottom: Residuals to the fitted orbit.


  • Orbital solution (from Moutou et al. 2008):

    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 73267 b
    1260
    +/-
    7
    51821.7
    +/-
    16
    0.256
    +/-
    0.009
    51.915
    +/-
    0.0005
    229.1
    +/-
    1.8
    64.29
    +/-
    0.48
    3.06
    +/-
    0.07
    2.198
    +/-
    0.025
    39
    1.7


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    G5V
    Hipparcos
    pi (mas)
    18.21 +/- 0.93
    Hipparcos
    d (pc)
    54.91 +/- 3.0
    Hipparcos
    m_v (mag)
    8.90
    Hipparcos
    B-V (mag)
    0.806
    Hipparcos
    T_eff (K)
    5317 +/- 34
    Moutou et al. 2008
    M_v (mag)
    5.20
    Moutou et al. 2008
    L (L_sol)
    0.783 +/- 0.09
    Moutou et al. 2008
    log(g) (CGS)
    4.28 +/- 0.10
    Moutou et al. 2008
    M_1 (M_sol)
    0.89 +/- 0.03
    Moutou et al. 2008
    R (R_sol)
    1.04
    Moutou et al. 2008
    log(R'HK)
    -4.97 +/- 0.07
    Moutou et al. 2008
    P_rot (d)
    42
    Moutou et al. 2008
    Vsini (km/s)
    1.65
    Moutou et al. 2008
    Age (Gyr)
    7.4 +/- 4.5
    Moutou et al. 2008
    [Fe/H]
    0.03 +/- 0.02
    Moutou et al. 2008


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    stephane.udry@obs.unige.ch