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Table 3
Prior distribution of fitted or fixed parameters entering the MCMC sampling.
| Parameter | Unit | Prior type | Prior distribution |
|---|---|---|---|
| Stellar parameters | |||
| M* | M⊙ | Normal | 𝒩(0.54,0.03) |
| R* | R⊙ | Normal | 𝒩(0.53,0.02) |
| u0 | Fixed | 0.23(†) | |
| u1 | Fixed | 0.38(†) | |
| Keplerian parameters | |||
| K | km s−1 | Uniform | 𝒰(0,10) |
| T0 | BTJD | Uniform | 1791+𝒰(0.2,0.8) |
| P | day | Uniform | 𝒰(2.51,3.76) |
| a | R* | Uniform | 𝒰(10,23) |
| Rp | Rj | Uniform | 𝒰(0.02,0.04) |
| Ip | ο | Uniform | 𝒰(70,110) |
| e | Uniform or fixed | 𝒰(0,1) or 0.0 | |
| ω | ο | Uniform or fixed | 𝒰(0,360) or 90 |
| Gaussian process parameters | |||
| σwhite,phot | ppm | Uniform | 𝒰(-10100,10100) |
| τdecay,phot | day | Uniform | 𝒰(0.25,1000) |
| γsmooth,phot | Uniform | 𝒰(0.1,1.5) | |
| Pphot | days | Uniform | 𝒰(10,20) |
| Aphot | ppm | Uniform | 𝒰(10−4,2000) |
| σwhite,RV | m s−1 | Uniform | 𝒰(-10100,10100) |
| τdecay,RV | day | Uniform | 𝒰(6,1000) |
| γsmooth,RV | Uniform | 𝒰(0.1,1.5) | |
| PRV | days | Uniform | 𝒰(10,20) |
| ARV | m s−1 | Uniform | 𝒰(0,100) |
References. (t)Based on Claret (2017) and Claret & Southworth (2022).
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