Table A.6
Priors and posteriors of the joint transit and RV fit of Gl 486a.
| Parameter | Prior | Posterior | Unit | Description |
|---|---|---|---|---|
| Stellar parameter | ||||
| ρ* | N(12106, 2593) | kg m−3 | Stellar density | |
| Photometry instrumental parameter | s | |||
| µTESS,T23 | N (0, 105) |  |
ppm | Relative flux offset |
| µCHEOPS, CO1 | N(0, 105) |  |
ppm | Relative flux offset |
| µCHEOPS, CO2 | N(0, 105) |  |
ppm | Relative flux offset |
| µCHEOPS, CO3 | N(0, 105) |  |
ppm | Relative flux offset |
| µCHEOPS, CO4 | N(0, 105) |  |
ppm | Relative flux offset |
| µCHEOPS, CO5 | N(0, 105) |  |
ppm | Relative flux offset |
| µCHEOPS, CO6 | N(0, 105) |  |
ppm | Relative flux offset |
| µCHEOPS, CO7 | N(0, 105) |  |
ppm | Relative flux offset |
| σTESS, T23 | LU(1, 8498) |  |
ppm | Transit extra jitter |
| σCHEOPS ,CO1 | LU(1, 3322) |  |
ppm | Transit extra jitter |
| σCHEOPS ,CO2 | LU(1, 3320) |  |
ppm | Transit extra jitter |
| σCHEOPS ,CO3 | LU(1, 3323) |  |
ppm | Transit extra jitter |
| σCHEOPS ,CO4 | LU(1, 3322) |  |
ppm | Transit extra jitter |
| σCHEOPS ,CO5 | LU(1, 3336) |  |
ppm | Transit extra jitter |
| σCHEOPS,CO6 | LU(1, 3388) |  |
ppm | Transit extra jitter |
| σCHEOPS,CO7 | LU(1, 3329) |  |
ppm | Transit extra jitter |
| q1,TESS | U(0, 1.0) |  |
… | u1 quadratic limb-darkening |
| q1,CHEOPS | U(0, 1.0) |  |
… | u1 quadratic limb-darkening |
| q2,,TESS | U(0, 1.0) |  |
… | u2 quadratic limb-darkening |
| q2,.CHEOPS | U(0, 1.0) |  |
… | u2 quadratic limb-darkening |
| DTESS | 1.0 (fixed) | … | Dilution factor | |
| DCHEOPS | 1.0 (fixed) | … | Dilution factor | |
| RV instrumental parameters | ||||
| γcarmenes | U(−10.0, +10.0) |  |
ms−1 | Relative RV offset |
| γMAROON-X,Blue,1 | U(−10.0, +10.0) |  |
ms−1 | Relative RV offset |
| γMAROON-X,Red,1 | U(−10.0, +10.0) |  |
ms−1 | Relative RV offset |
| γMAROON-X,Blue,2 | U(−10.0, +10.0) |  |
ms−1 | Relative RV offset |
| γMAROON-X,Red,2 | U(−10.0, +10.0) |  |
ms−1 | Relative RV offset |
| γMAROON-X,Blue,3 | U(−10.0, +10.0) |  |
ms−1 | Relative RV offset |
| γMAROON-X,Red,3 | U(−10.0, +10.0) |  |
ms−1 | Relative RV offset |
| σCARMENES | LU(0.001, 5.0) |  |
ms−1 | RV extra jitter |
| σMAROON-X,Blue,1 | LU(0.001, 5.0) |  |
ms−1 | RV extra jitter |
| σMAROON-X,Red,1 | LU(0.001, 5.0) |  |
ms−1 | RV extra jitter |
| σMAROON-X,Blue,2 | LU(0.001, 5.0) |  |
ms−1 | RV extra jitter |
| σMAROON-X,Red,2 | LU(0.001, 5.0) |  |
ms−1 | RV extra jitter |
| σMAROON-X,Blue,3 | LU(0.001, 5.0) |  |
ms−1 | RV extra jitter |
| σMAROON-X,Red,3 | LU(0.001, 5.0) |  |
ms−1 | RV extra jitter |
| RV quasi-periodic GP parameters | ||||
| BGP | U(0.01, 50.0) |  |
ms−1 | GP kernel amplitude in Eq. (7) |
| Cgp | 0.0 (fixed) | ms−1 | GP kernel amplitude in Eq. (7) | |
| LGP | LU(20, 104) |  |
d | GP modulation time scale |
| Prot,GP | N(50.9, 10.0) |  |
d | GP quasi-periodic rotation period |
| Planet b fitted parameters | ||||
| P | N (1.467, 0.010) |  |
d | Orbital period |
| t0 | U (2459309.0, 2459311.0) |  |
d | Time of periastron passage |
| K | U (0, 10.0) |  |
ms−1 | RV semi-amplitude |
| r1 | U (0, 1.0) |  |
Parametrisation for p and b | |
| r2 | U (0, 1.0) |  |
Parametrisation for p and b | |
| e | 0.0 (fixed) | Orbital eccentricity | ||
| ω | 90.0 (fixed) | deg | Periastron angle |
Notes. (a) Median and upper and lower 68.3% posterior credibility intervals (1σ). The prior labels of N(µ, σ), U(a, b), and LU(a, b) represent normal (mean µ and variance σ2), uniform, and log-uniform distributions (minimum a and maximum b), respectively. The unit symbol “ppm” stands for part per million.
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