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  A 0.42 M_Jup extrasolar planet around HD 75289
Last update: January the 7th 2005

 
 
 
  • "The CORALIE survey for southern extra-solar planets II. The short-period planetary companions to HD 75289 and HD 130322" S. Udry, M. Mayor, D. Naef, F. Pepe, D. Queloz, N.C. Santos, M. Burnet, B. Confino, C. Melo, 2000
    A&A 356, 590 (ADS)
  • Announcement text


    • Larger image (372 kb)


  • Orbital solution (from Udry et al. 2000):

    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 75289
    3.5097 +/- 0.0007
    51355.41 +/- 0.03
    0 (fixed)
    9.258 +/- 0.001
    0 (fixed)
    0.054 +/- 0.001
    0.42
    0.046
    88
    7.44


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    G0
    Hipparcos
    pi (mas)
    34.55
    Hipparcos
    d (pc)
    28.94
    Hipparcos
    m_v (mag)
    6.35
    Hipparcos
    B-V (mag)
    0.578
    Hipparcos
    T_eff (K)
    6000
    Gratton et al. 1989
    M_v (mag)
    4.04
    -
    L (L_sol)
    1.99
    -
    log(g) (CGS)
    3.8
    Gratton et al. 1989
    M_1 (M_sol)
    1.15
    Geneva models, Schaerer et al. 1993
    log(R'HK)
    -4.96
    Santos et al. 1999
    P_rot (d)
    15.95
    Noyes et al. 1984
    Vsini (km/s)
    4.37
    Coravel
    Age (Gyr)
    5.6
    Donahue 1993
    [Fe/H]
    0.29
    Coravel


  • Links:
  • HD 75289 @ exoplanets.org (Confirmation)

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    stephane.udry@obs.unige.ch