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Table 4
HD 219666 system parameters.
| Parameter | Priora | Derived value |
|---|---|---|
| Model parameters of HD 219666 b | ||
| Orbital period Porb,b (days) |  |
 |
| Transit epoch T0,b (BJDTDB −2 450 000) |  |
8329.1996 ± 0.0012 |
| Scaled semi-major axis ab∕R⋆ |  |
13.27 ± 0.39 |
| Planet-to-star radius ratio Rb∕R⋆ |  |
0.04192 ± 0.00083 |
| Impact parameter bb |  |
 |
 |
 |
0 |
 |
 |
0 |
| Radial velocity semi-amplitude variation K⋆ (m s−1) |  |
6.17 ± 0.46 |
| Additional model parameters | ||
| Parameterized limb-darkening coefficient q1 |  |
0.33 ± 0.10 |
| Parameterized limb-darkening coefficient q2 |  |
0.20 ± 0.10 |
| Systemic velocity γHARPS (km s−1) |  |
−20.0976 ± 0.0004 |
| RV jitter term σHARPS (m s−1) |  |
 |
| Derived parameters of HD219666b | ||
| Planet mass Mb (M⊕) | ⋯ | 16.6 ± 1.3 |
| Planet radius Rb (R⊕) | ⋯ | 4.71 ± 0.17 |
| Planet mean density ρb (g cm-3) | ⋯ |  |
| Semi-major axis of the planetary orbit ab (AU) | ⋯ | 0.06356 ± 0.00265 |
| Orbit eccentricity eb | ⋯ | 0 (fixed) |
| Orbit inclination ib (deg) | ⋯ | 86.38 ± 0.15 |
| Equilibrium temperatureb Teq, b (K) | ⋯ | 1073 ± 20 |
| Transit duration τ14, b (h) | ⋯ | 2.158 ± 0.034 |
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