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Table 2
Priors used for all parameters in all models.
| Parameter | Prior | Notes |
|---|---|---|
| Orbital Parameters | ||
| Mid-transit time, T0, days | 𝒩[a, b] | Where a is the mid-transit time from the archive, and b is the uncertainty on that time. |
| Period, P, days | 𝒩[c, d] | Where c is the period from the archive, and d is the uncertainty on that period. |
| Eccentricity, e | ℱ[0] | For the circular model. |
| Argument of periastron, omega | ℱ[0] | For the circular model. |
| ew1 | 𝒰[−1, 1] | For the eccentric model. |
| ew2 | 𝒰[−1, 1] | For the eccentric model. |
| RV amplitude, k, km/s | 𝒰[0, 0.5] | |
| GP Hyperparameters | ||
| A0, km s−1 | 𝒰[0, 0.5] | |
| B0, km s−1 d−1 | 𝒰[0, 0.5] | |
| A1, km s−1 | 𝒰[−0.5, 0.5] | |
| B1, km s−1 d−1 | 𝒰[−0.5, 0.5] | |
| A2, km s−1 | 𝒰[−0.5, 0.5] | |
| B2, km s−1 d−1 | 𝒰[−0.5, 0.5] | |
| Timescale of active regions, λe, days | 𝒰[1, 160] | The upper limit is set to twice the period of the GP |
| Inverse of Harmonic Complexity, λp | 𝒰[0.01, 2] | |
| Period of GP, PGP, days | 𝒰[0, 80] | This is set based on the stellar effective temperature |
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