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Table 4
Priors and posteriors of our GP fit to MEarth photometry.
| Parameter | Prior value | Posterior | Unit |
|---|---|---|---|
| Model 1: Quasi-periodic kernel | |||
| AΔ RG715 |  |
 |
mmag |
| α |  |
 |
10−5 d−2 |
| ΓΔ RG715 |  |
 |
mmag |
| Prot |  |
 |
d |
| σMEarth |  |
 |
mmag |
| μMEarth |  |
 |
10−6 mmag |
| Model 2: Matern kernel | |||
| AΔ RG715 |  |
 |
mmag |
| ρ |  |
 |
d |
| σMEarth |  |
 |
mmag |
| μMEarth |  |
 |
10−6 mmag |
Notes. σ is the instrumental jitter, μ is the fit offset, and 
and 
stand for uniform and log-uniform distributions, respectively (Jeffreys 1946).
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