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Table 3

KOI-423 system parameters.

Parameters Value

Transit epoch Ttr [BJD]
Orbital period P [days] 21.0874 ± 0.0002
Transit duration T14 [h] 6.02 ± 0.09
Radius ratio Rc/R  
Inclination i [deg]
h = e   sinω
k = e   cosω
Semi-amplitude K [km s-1]
Systemic velocity V0 [km s-1]
Orbital eccentricity e
Periastron argument ω [deg]
Scaled semi-major axis a/R  
[solar units]
Stellar density ρ   [g   cm-3]
Impact parameter b
Effective temperature Teff[K] 6260 ± 140
Surface gravity log g [dex] 4.1 ± 0.2
Metallicity  [Fe/H]  [dex] −0.29 ± 0.10
Rotational velocity v sin i  [km s-1] 16 ± 2.5
Spectral type F7IV
Star mass [M]
Star radius [R] 1.39
Distance of the system [pc] 1200 ± 250
Orbital semi-major axis a [AU] 0.155 ± 0.003
Companion mass Mc [MJup]
Companion radius Rc[RJup]
Companion density ρc [g   cm-3]
Equilibrium temperature Teq [K] a



Black body equilibrium temperature for an isotropic planetary emission.

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