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Table 6

Kepler-412 system: planet and star parameters.

Ephemeris and orbital parameters:

Planet orbital period P [days] 1.720861232 ± 4.7 10-8
Primary transit epoch Ttr [BJD-2 400 000] 54 966.021033 ± 2.3 10-5
Orbital eccentricity e 0.0038 ±
Argument of periastron ω [deg] 125
Orbital inclination i [deg] 80.89 ± 0.20
Primary impact parameterabprim 0.781
Primary transit duration T14 [h] 2.077 ± 0.015

Fitted transit-related parameters:

Scaled semi-major axis a/R 4.947 ± 0.056
Radius ratio Rp/R 0.1058 ± 0.0023
Quadratic limb darkening coefficient ua 0.18 ± 0.44
Quadratic limb darkening coefficient ub 0.51 ± 0.58
Rp/a 0.02145 ± 0.00052

Data-related parameters:

Kepler season 0 contamination [%] 5.47
Kepler season 1 contamination [%] 5.24 ± 0.15
Kepler season 2 contamination [%] 3.42 ± 0.17
Kepler season 3 contamination [%] 5.69 ± 0.13
Kepler season 0 jitter [ppm] 96.3 ± 3.4
Kepler season 1 jitter [ppm] 117.1 ± 2.6
Kepler season 2 jitter [ppm] 114.5 ± 4.0
Kepler season 3 jitter [ppm] 90.6 ± 3.1
SOPHIE jitter [ m s-1] 12.4
SED jitter [mags] 0.028 ± 0.022

Fitted RV-related parameters:

Radial velocity semi-amplitude K [ km s-1] 0.142 ± 0.011

Spectroscopic parameters:

Effective temperature Teff[K] 5750 ± 90
Surface gravity log g [dex] 4.30 ± 0.07
Metallicity [Fe/H] [dex] 0.27 ± 0.12
Stellar rotational velocity v sin i[ km s-1] 5.0 ± 1.0
Stellar microturbulence vmic [ km s-1] 1.0 ± 0.1
Stellar macroturbulence vmacro [ km s-1 2.86 ±1.0
Spectral type G3 V

Stellar physical parameters from combined analysis:

[solar units] 0.8184 ± 0.0092
Stellar density ρ [solar units] 0.547 ± 0.018
Star mass [M] 1.167 ± 0.091
Star radius [R] 1.287 ± 0.035
Stellar rotation period Prot [days] 17.2 ± 1.6
Age of the star t [Gyr] 5.1 ± 1.7
Distance of the system [kpc] 1.056 ± 0.036
Interstellar extinction E(B − V) 0.013 ± 0.015

Planetary physical parameters from combined analysis:

Orbital semi-major axis a [AU] 0.02959 ± 0.00078
Planet mass Mp [MJ ]b 0.939 ± 0.085
Planet radius Rp[RJ]b 1.325 ± 0.043
Planet density ρp [gcm-3] 0.501 ± 0.051

Notes.

(a)

;

(b)

radius and mass of Jupiter taken as 71492 km and 1.8986 × 1030 g, respectively.

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