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Table 2
CoRoT-7 system parameters.
| Eccentric | Circular | |
| adopted | ||
|
|
||
| Planet orbital period, P [days]• | 0.85359163 ± 5.8e-7 | 0.85359159 ± 5.7e-7 |
| Mid-transit time, Tc [BJD]• | 2 454 398.07741 ± 6.9e-4 | 2 454 398.07756 |
| cov(P,Tc) [days2] | –2.37× 10-10 | –2.02× 10-10 |
| Orbital eccentricity, e• | 0.137 < 0.32† |
|
| Argument of periastron, ω [deg]• | 81 ± 30 | |
| Orbit inclination, i [deg]• | 81.20 |
80.78 |
| Orbital semi-major axis, a [AU] | 0.017027 |
0.017016 |
| semi-major axis/radius of the star, a/R⋆ | 4.469 |
4.484 ± 0.070 |
| Radius ratio, k = Rp/R⋆• | 0.01721 ± 0.00060 | 0.01784 ± 0.00047 |
| Linear limb darkening coefficient, ua | 0.517 ± 0.015 | 0.515 ± 0.014 |
| Quadratic limb darkening coefficient, ub | 0.187 ± 0.010 | 0.188 ± 0.011 |
| Transit duration, T14 [h] | 1.049 |
1.059 ± 0.026 |
| Impact parameter, b | 0.594 |
0.713 |
| Radial velocity semi-amplitude, K [m s-1]• | 3.85 ± 0.60 | 3.94 ± 0.57 |
| Effective temperature, Teff[K]• | 5267 ± 60 | 5259 ± 58 |
| Metallicity, [ Fe / H ] [dex]• | 0.137 ± 0.059 | 0.138 ± 0.061 |
| Stellar Density, ρ⋆ [ρ⊙]• | 1.665 ± 0.080 | 1.671 ± 0.073 |
| Star mass, M⋆ [M⊙] | 0.915 ± 0.019 | 0.913 ± 0.017 |
| Star radius, R⋆ [R⊙] | 0.818 ± 0.016 | 0.820 ± 0.019 |
| Deduced stellar surface gravity, log g [cgs] | 4.572 ± 0.011 | 4.573 ± 0.011 |
| Age of the star [Gyr] | 1.32 ± 0.76 | 1.32 ± 0.75 |
| Planet mass, Mp [M⊕ ] | 5.55 ± 0.85 | 5.74 ± 0.86 |
| Planet radius, Rp[R⊕] | 1.528 ± 0.065 | 1.585 ± 0.064 |
| Planet mean density, ρp [gcm-3] | 8.1 ± 1.6 | 7.5 ± 1.4 |
| Planet surface gravity, log gp [cgs] | 3.348 ± 0.068 | 3.332 ± 0.065 |
| Planet equilibrium temperature∗, Teq [K] | 1759 ± 30 | 1756 ± 27 |
|
|
||
| Distance of the system [pc]• | 154.2 ± 4.7 | 153.7 ± 4.5 |
|
|
||
| Adopted planet mass, Mp [M⊕ ] | 4.73 ± 0.95 (Haywood et al. 2014) | |
| Adopted planet mean density, ρp [gcm-3] | 6.59 ± 1.5 (Haywood et al. 2014) | |
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