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Table 6
Final K2-216 b parameters.
| Parameter | Units | Value |
|---|---|---|
| Transit and orbit parameters | ||
| Porb | Period (days) | 2.17480 ± 0.00005 |
| T0 | Time of transit (BJD - 2450000) | 7394.0417 ± 0.0009 |
| T14 | Total duration (h) |  |
| b | Impact parameter | 0.45 ± 0.31 |
| i | Inclination (degrees) |  |
| ea | Eccentricity | 0 |
| RP∕R⋆ | Ratio of planet radius to stellar radii |  |
| a∕R⋆ | Ratio of semi-major axis to stellar radii |  |
| a | Semi-major axis (AU) |  |
| u1 | Linear limb-darkening coeff | 0.58 ± 0.14 |
| u2 | Quadratic limb-darkening coeff | 0.12 ± 0.14 |
| RV Parameters | ||
| Kb | RV semi-amplitude variation (m s−1) |  |
| Kc | RV semi-amplitude variation (m s−1) | 5.0 ± 1.0 |
| Planetary parameters | ||
| RP | Planet radius (R⊕) |  |
 |
Planet mass (M⊕) | 7.4 ± 2.2 |
 |
Planet mass (M⊕) | 8.0 ± 1.6 |
 |
Planet density (g cm−3) |  |
 |
Planet density (g cm−3) |  |
| F | Insolation (F⊕) |  |
 |
Equilibrium temperature (K) |  |
| Λe | Restricted Jeans escape parameter | ≈30 |
Notes. (a) Fixed value. (b) Derived using a GP regression method. (c) Derived using the FCO technique. (d) Assuming isotropic re-radiation, and a Bond albedo of zero. (e)Defined in Fossati et al. (2017a).
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