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Table A.3
Priors used for the RVs fits to the RVs of GJ 3988.
| Parameter | Prior | Unit | Description |
|---|---|---|---|
| Planet parameters | |||
| Pb | 𝒰(0.0, 20.0) | d | Period |
| Kb | 𝒰(0.0, 50.0) | m s−1 | RV semi-amplitude |
| t0,b (BJD) | 𝒰(2457508.0, 2457512.0) | d | Time of periastron passage |
 |
𝒰(−1,1)/fixed(0) | … | Parameterisation for e and ω. |
 |
𝒰(−1,1)/fixed(0) | … | Parameterisation for e and ω. |
| Pc | 𝒰(110, 120) | d | Period |
| Kc | 𝒰(0.0, 50.0) | m s−1 | RV semi-amplitude |
| t0,b (BJD) | 𝒰(2457500, 2457700) | d | Time of periastron passage |
 |
𝒰(−1,1)/fixed(0) | … | Parameterisation for e and ω. |
 |
𝒰(−1,1)/fixed(0) | … | Parameterisation for e and ω. |
| GP parameters | |||
| PGP, rv (d) | 𝒩(116.0, 10.0) | d | Period |
| σGP, CARM-VIS (m s−1) | 𝒰(0.0, 50.0) | m s−1 | Standard deviation |
| σgp, ird (m s−1) | 𝒰(0.0, 50.0) | m s−1 | Standard deviation |
| fGP, rv | 𝒰(0.0, 1.0) | … | Fractional amplitude of secondary mode |
| Q0,GP, rv | 𝒥(0.1, 1 × 105) | … | Quality factor of secondary mode |
| dQGP, rv | 𝒥(0.1, 1 × 105) | … | Difference in quality factor between primary and secondary mode |
| Instrument parameters | |||
| γCARM-VIS | 𝒰(-10, 10) | m s−1 | RV zero point |
| σCARM-VIS | 𝒰(0.0, 30) | m s−1 | A jitter added in quadrature |
| γIRD | 𝒰(-10, 10) | m s−1 | RV zero point |
| σIRD | 𝒰(0.0, 30) | m s−1 | A jitter added in quadrature |
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