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Table 1
Summary of stellar, input, and derived parameters of the WASP-189 system.
| Fitted parameters | |
|---|---|
| Mid-transit time (T0) |  |
| [BJDTT −2450 000] | |
| Impact parameter (b) |  |
| Scaled semi-major axis (a∕R*) |  |
| Eclipse duration (T14) [h] |  |
| Occultation depth (dFocc) [ppm] | 87.9 ± 4.3 |
| Radius ratio (Rp∕R*) |  |
| u+ = ua + ub |  |
| u− = ua − ub |  |
| Stellar inclination I* [°] |  |
| Projected orbital obliquity λ [°] |  |
| Additional input parameters | |
| RV amplitude (K) [km s−1] | 0.182 ± 0.013 |
| Planetary period (a) (P) [d] | 2.7240330 |
| Eccentricity (a) (e) | 0 |
| Stellar parameters | |
| Stellar Mass (M*) [M⊙] | 2.030 ± 0.066 |
| Stellar Radius (R*) [R⊙] | 2.36 ± 0.030 |
| Stellar eff. temperature (Teff) [K] | 8000 ± 80 |
| Stellar surface gravity log g [ log g] | 3.9 ± 0.2 |
| Projected rotational velocity | 93.1 ± 1.7 |
| νsinI* [km s−1] | |
| Microturbulent velocity | 2.7 ± 0.3 |
| νmic [km s−1] | |
| Iron abundance [Fe/H] | + 0.29 ± 0.13 |
| System age [Myr] | 730 ± 130 |
| Derived parameters | |
| Plan. radius (RP) [RJ ] | 1.619 ± 0.021 |
| Plan. mass (MP) [MJ ] |  |
| Plan. mean density (ρP) [ρJ ] |  |
| Plan. surface gravity (gP) [m s−2 ] |  |
| Orbital semi-major axis (a) [au] | 0.05053 ± 0.00098 |
| Orbital inclination (i) [°] | 84.03 ± 0.14 |
| True orbital obliquity Ψ [°] | 85.4 ± 4.3 |
| Dayside equilibrium temp. (b) (Teq) [K] |  |
| Brightness temp. (c) (Tb) [K] |  |
| Dayside temp. (d) (Tday) [K] | 3435 ± 27 |
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