Table 5
Priors to the pyaneti model of EPIC 212036875 b and results.
| Parameter | Units | Priors (a) | Final value |
|---|---|---|---|
| Fitted parameters | |||
| T0 | Transit epoch (BJDTDB − 2 450 000) |  [8098.665, 8098.695] |
8098.6791 ± 0.0002 |
| Porb | Orbital period (days) |  [5.1679, 5.1719] |
5.16992 ± 0.00002 |
| e | Eccentricity |  [0, 0.3] |
0.134 ± 0.002 |
| ω | Argument of periastron (degrees) |  [0, 180] |
163 ± 1 |
| b | Impact parameter |  [0, 1] |
 |
| a ∕ R⋆ | Scaled semi-major axis |  [1.1, 15] |
9.2 ± 0.2 |
| RBD ∕ R⋆ | Scaled brown dwarf radius |  [0, 0.1] |
0.0608 ± 0.0009 |
| K | Doppler semi-amplitude variation (km s−1) |  [0,15] |
5.289 ± 0.013 |
| q1 | Parameterised limb-darkening coefficient |  [0.38, 0.10] |
0.41 ± 0.10 |
| q2 | Parameterised limb-darkening coefficient |  [0.26, 0.10] |
0.26 ± 0.10 |
| Derived parameters | |||
| MBD | Brown dwarf mass (MJ) | … | 51 ± 2 |
| RBD | Brown dwarf radius (RJ) | … | 0.83 ± 0.03 |
| i (b) | Inclination (degrees) | … | 83.9 ± 0.2 |
| a | Semi-major axis (AU) | … | 0.060 ± 0.003 |
| F | Insolation (F⊕) | … | 740 ± 50 |
| ρ⋆ (c) | Stellar density (g cm−3) | … | 0.55 ± 0.04 |
| ρBD | Brown dwarf density (g cm−3) | … |  |
| log(gBD) | Brown dwarf surface gravity (cgs) | … | 5.23 ± 0.02 |
| Teq (d) | Equilibrium temperature (K) | … | 1450 ± 30 |
| T14 | Total transit duration (h) | … | 2.17 ± 0.01 |
| T23 | Full transit duration (h) | … | 0.76 ± 0.09 |
| u1 | Linear limb-darkening coefficient | … | 0.33 ± 0.14 |
| u2 | Quadratic limb-darkening coefficient | … | 0.30 ± 0.13 |
| Additional parameters | |||
| γ1 | Systemic velocity FIES1 (km s−1) |  [−27.1655, −16.5310] |
− 21.26 ± 0.03 |
| γ2 | Systemic velocity FIES2 (km s−1) |  [−22.9664, −16.9289] |
− 21.33 ± 0.16 |
| γ3 | Systemic velocity FIES3 (km s−1) |  [−27.3661, −16.5940] |
− 21.30 ± 0.01 |
| σF1 | RV jitter FIES1 (km s−1) |  [0, 1] |
 |
| σF2 | RV jitter FIES2 (km s−1) |  [0, 1] |
 |
| σF3 | RV jitter FIES3 (km s−1) |  [0, 1] |
 |
| σtr | Light curve jitter |  [0, 0.00004733] |
0.000025 ± 0.000005 |
Notes. (a) 
[a,b] refers to uniform priors in the range a–b, and 
[a,b] refers to Gaussian priors with mean a and standard deviation b. (b) Orbit inclination relative to the plane of the sky. (c)Density from pyaneti transit modelling. Density from adopted stellar mass and radius is 0.58 ± 0.08 g cm−3. (d) Assuming isotropic re-radiation and a Bond albedo of zero. For example, by increasing the albedo to 0.3 and 0.6, we find Teq ≈ 1310 and 1140 K, respectively.
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