Open Access
Table 6
Prior and posterior distributions of the quasi-periodic GP model of the SPIRou Bℓ measurements and the HARPS and SOPHIE RV time series.
| Parameter | Prior distribution | Posterior distribution | ||
|---|---|---|---|---|
| ln units | linear units | |||
| GP SPIRou Bℓ | ||||
| Amplitude (G) | ln A | 𝒰 (2,6) |  |
 |
| Decay time (days) | ln l | 𝒰 (2,8) |  |
 |
| Smoothing parameter | ln Γ | 𝒰 (−5,3) |  |
 |
| Cycle length (period) (days) | ln P | 𝒰(ln(2.20), ln(2.25)) |  |
 |
| Uncorr. noise (G) | ln σ | 𝒰(−30,15) |  |
 |
| GP HARPS & SOPHIE optical RVs | ||||
| Offset (km s−1) | V0 | median(RV) + 𝒰 (−10,10) |  |
|
| Amplitude (km s−1) | ln A | 𝒰 (−5,5) |  |
 |
| Decay time (days) | ln l | Bℓ posterior |  |
 |
| Smoothing parameter | ln Γ | Bℓ posterior |  |
 |
| Cycle length (period) (days) | ln P | Bℓ posterior |  |
 |
| Uncorr. noise (km s−1) | ln σ | 𝒰(−10,5) |  |
 |
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