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  WASP-10b: A massive transiting planet on an eccentric orbit
  Last update: January 16 2009

 
 
  • "WASP-10b: a 3M_J, eccentric transiting gas-giant planet"
    D.J. Christian, N.P. Gibson, E.K. Simpson, R.A. Street, I. Skillen, D. Pollacco, A. Collier Cameron, H.C. Stempels, C.A. Haswell, K. Horne, Y.C. Joshi, F.P. Keenan, D.R. Anderson, S. Bentley, F. Bouchy, W.I. Clarkson, B. Enoch, L. Hebb, G. Hébrard, C. Hellier, J. Irwin, S.R. Kane, T.A. Lister, B. Loeillet, P. Maxted, M. Mayor, I. McDonald, C. Moutou, A.J. Norton, N. Parley, F. Pont, D. Queloz, R. Ryans, B. Smalley, A.M.S. Smith, I. Todd, S. Udry, R.G. West, P.J. Wheatley, D.M. Wilson, 2008
    MNRAS 392, 1585 (ADS) --> Transit light curve & RV orbit
  • Announced during the 2008 RAS National Astronomy Meeting


    		•
    WASP-10 lightcurve and radial-velocity orbit
    Top: SuperWASP discovery lightcurve
    Middle: Follow-up photometric observations
    Bottom: SOPHIE+FIES phase-folded
    radial-velocities and fitter orbit.
    Larger image


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

    Object
    Period
    [days]
    T_trans
    [JD - 2400000]
    Eccentricity
    V
    [km/s]
    Omega
    [deg]
    K1
    [m/s]
    a
    [AU]
    N_RV
    WASP-10b
    3.0927616
    +0.0000112 /-0.0000182
    54357.85803
    +0.00042 /-0.00030
    0.057
    +0.011 /-0.005
    -11.52657
    +0.00125 /-0.00185
    2.737
    +0.194 /-0.166
    533.1
    +5.6 /-9.3
    0.0371
    +0.0014 /-0.0013
    14 = 7 (FIES)+
    7 (SOPHIE)


  • Other parameters (from Christian et al. 2008):

    Planet mass
    [M_Jup]
    3.06 +0.23 /-0.21
    Planet radius
    [R_Jup]
    1.29 +0.075 /-0.082
    Planet density
    [rho_Jup]
    1.42 +0.27 /-0.24
    Planet surface gravity (log scale)
    [CGS]
    3.62 +/- 0.05
    Planet equ. temperature (Albedo=0)
    [K]
    1123 +25 /-26
    Orbital inclination
    [deg]
    86.8 +0.6 /- 0.5
    Impact parameter
    -
    0.577 +0.056 /- 0.082
    Transit duration
    [d]
    0.098385 +0.001495 /- 0.001647


  • Stellar properties:

    Parameter
    Value
    Reference
    Sp. Type
    K5
    Christian et al. 2008
    m_v [mag]
    12.7
    Christian et al. 2008
    Distance [pc]
    90 +/- 20
    Christian et al. 2008
    T_eff [K]
    4675 +/- 100
    Christian et al. 2008
    log(g) [CGS]
    4.50 +0.05 /- 0.04
    Christian et al. 2008
    M_1 [M_Sun]
    0.710 +0.086 /-0.071
    Christian et al. 2008
    [M/H]
    0.03 +/- 0.20
    Christian et al. 2008
    R [R_Sun]
    0.783 +0.035 /- 0.043
    Christian et al. 2008
    Vsini [km/s]
    <6
    Christian et al. 2008


  • Links:
  • superWASP home page

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    stephane.udry@obs.unige.ch