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  A 1.28 Jupiter-mass companion to HD 217107
(Confirmation)



  Last update: July the 30th 2002

 
 
 
  • Discovery paper: "Planetary Companions around Two Solar-Type Stars: HD 195019 and HD 217107", D.A. Fischer, G.W. Marcy, R.P. Butler, S.S. Vogt, K. Apps, 1999, PASP 111, 50 -- html version (PASP subscription required)

  • Confirmation paper: "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 -- html version (A&A subscription required)


  •  
    Top: Phase-folded Coralie velocities and fitted orbit.
    (Systemic velocity drift removed before computing the solution)
    Bottom: Residuals around the solution
    Fitted systemic velocity quadratic drift
    Larger image (372 kb)
    Larger image (376 kb)


  • Coralie orbital solution as published in 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 217107
    7.1260 +/- 0.0005
    51452.388+/- 0.079
    0.126 +/- 0.009
    -13.413 +/- 0.001
    (at HJD=2 451 450)
    24 +/- 4
    0.140 +/- 0.001
    1.275
    (with M_1=0.96 M_Sun)
    0.07
    63
    6.6


  • Links:
  • HD 217107 @ exoplanets.org


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    stephane.udry@obs.unige.ch