Open Access
Table 2
MCMC results.
| RV | Shadow | |||
|---|---|---|---|---|
| Parameter | Name | Prior | Value | |
| Stepping parameters | ||||
| P | Period (days) | 𝒰 |  |
5.003777 ± 0.000003 |
| T0 | Mid-transit time (BTJD) | 𝒰 | 1459.7413 ± 0.0003 | 1459.7414 ± 0.0003 |
| Rp /R⋆ | Planet-to-star radius ratio | 𝒰 |  |
 |
| a/R⋆ | Semi-major axis to star radius ratio | 𝒰 |  |
 |
| K | Velocity semi-amplitude (m s−1) | 𝒰 | 50.1 ± 1.0 |  |
| cos i | Cosine of inclination | 𝒰 |  |
 |
 |
𝒰 |  |
0.02 ± 0.07 | |
 |
𝒰 |  |
 |
|
| λ | Projected obliquity (°) | 𝒰 | 184±3 | 189±8 |
| υ sin i⋆ | Projected rotational velocity (km s−1) | 𝒩 (6.1,0.5) | 5.9±0.4 | 6.2±0.4 |
| ζ | Macro-turbulence (km s−1) | 𝒩 (6.65,1.0) |  |
7.3±0.8 |
| ξ | Micro-turbulence (km s−1) | 𝒩(1.52,1.0) | 1.7 ± 0.8 |  |
| γHARPS | Systemic velocity HARPS (ms−1) | 𝒰 | 40525.4 ± 0.7 |  |
| σ HARPS | Jitter HARPS (ms−1) | 𝒰 | 3.9±0.7 | 4.2±1.0 |
| Derived parameters | ||||
| e | Eccentricity | – | <0.013 (1σ) | <0.016(1σ) |
| ω | Argument of periastron (°) | – |  |
 |
| i | Inclination (°) | – |  |
 |
| b | Impact parameter | – |  |
 |
| T41 | Total transit duration (hours) | – |  |
 |
| T21 | Time from 1st to 2nd contact (hours) | – | 1.32 ± 0.04 |  |
| Physical parameters | ||||
| Teq | Equilibrium temperature (K) | – | 1816± 39 | 1817±39 |
| Rp | Planet radius (RJ) | – | 1.72 ± 0.05 | 1.72±0.05 |
| Mp | Planet mass (MJ) | – | 0.57 ± 0.02 | 0.57±0.02 |
| ρp | Planet density (g cm−3) | – | 0.138 ± 0.013 | 0.138 ± 0.013 |
| ρp | Planet density (ρJ) | – | 0.104 ± 0.010 | 0.104 ± 0.010 |
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