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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 |
|
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