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Table 3
Planet and star parameters.
| Ephemeris | |
|
|
|
| Planet orbital period P [days] | 9.24285 ± 0.00030 |
| Primary transit epoch Ttr [BJD-2 400 000] | 55 266.0001 ± 0.0014 |
| Primary transit duration T14 [d] | 0.0927 ± 0.0019 |
| Secondary transit epoch Ts [BJD-2 400 000] | 55 272.46 ± 0.13 |
| System parameters | |
|
|
|
| Periastron epoch Tperi [BJD-2 400 000] | 55 265.79074 |
| esinω | 0.468 ± 0.017 |
| ecosω | 0.312 ± 0.022 |
| Orbital eccentricity e | 0.562 ± 0.013 |
| Argument of periastron ω [deg] | 56.3 |
| Radial velocity semi-amplitude K [ m s-1] | 454 ± 9 |
| Systemic velocity γrel [ km s-1] | 60.623 ± 0.006 |
| HARPS-SOPHIE offset velocity Vr1 [m s-1] | 93 ± 11 |
| SOPHIE-FIES offset velocity Vr2 [m s-1] | 163 ± 20 |
| O-C residuals [ m s-1] | 27 |
| Radius ratio Rp/R⋆ | 0.0842 ± 0.0017 |
| Impact parameterab | 0.26 ± 0.08 |
| Scaled semi-major axis a/R⋆ b | 18.95 |
 [solar units] |
1.022 |
| Stellar density ρ⋆ [gcm-3] | 1.51 |
| Inclination i [deg] | 88.21 ± 0.53 |
| Spectroscopic parameters | |
|
|
|
| Effective temperature Teff[K] | 5880 ± 90 |
| Surface gravity log g [dex] | 4.20 ± 0.15 |
| Metallicity [Fe/H] [dex] | 0.14 ± 0.12 |
| Stellar rotational velocity vsini[ km s-1] | 4.5 ± 1.0 |
| Spectral type | G2 V |
| Stellar and planetary physical parameters from combined analysis | |
|
|
|
| Star mass [M⊙] | 1.14 ± 0.08 |
| Star radius [R⊙] | 1.02 ± 0.05 |
| Distance of the system [kpc] | 1.23 ± 120 |
| Age of the star t [Myr] | 100 |
| Orbital semi-major axis a [AU] | 0.0902 ± 0.0021 |
| Orbital distance at periastron aper [AU] | 0.0392 ± 0.0017 |
| Orbital distance at apastron aapo [AU] | 0.1409 ± 0.0037 |
| Planet mass Mp [MJ ]c | 4.24 ± 0.23 |
| Planet radius Rp[RJ]c | 0.84 ± 0.04 |
| Planet density ρp [gcm-3] | 8.87 ± 1.10 |
| Equilibrium temperaturedTeq [K] | 1002 ± 24 |
Equilibrium temperature at periastrond [K] |
1444 |
Equilibrium temperature at apastrond [K] |
764 ± 18 |
Notes.
(a)
, where ν1 is the true anomaly measured from the periastron passage at the first contact (see Giménez 2009).
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