Table A.5
Summary of the final parameter values of GJ 720 A for the different models that we followed using juliet.
| Parameter | S-index (BM + GP) | BM + GP | BM+1pl | BM + GP + 1pl(1) | BM + GP + 1pl(2) | BM + 2pl | BM + GP + 2pl |
|---|---|---|---|---|---|---|---|
| Base model (BM) | |||||||
| γ0 (m s−1) |  |
 |
 |
 |
 |
 |
 |
| σ (m s−1) |  |
 |
 |
 |
 |
 |
 |
| GP parameters | |||||||
| σGP (m s−1) |  |
 |
... |  |
 |
... |  |
| αGP (10−6d−2) |  |
 |
... |  |
 |
... |  |
| λ (days) (*) |  |
 |
... |  |
 |
... |  |
| ΓGP |  |
 |
... |  |
 |
... |  |
| Prot, GP (days) |  |
 |
... |  |
 |
... |  |
| Planet 1 parameters | |||||||
| P (d) | ... | ... |  |
 |
 |
 |
 |
| T0 (days) | ... | ... |  |
 |
 |
 |
 |
| e | ... | ... |  |
 |
 |
 |
 |
| ω (deg) | ... | ... |  |
 |
 |
 |
 |
| K (m s−1) | ... | ... |  |
 |
 |
 |
 |
| Planet 2 parameters | |||||||
| P (days) | ... | ... | ... | ... | ... |  |
 |
| T0 (days) | ... | ... | ... | ... | ... |  |
 |
| e | ... | ... | ... | ... | ... | ... | ... |
| ω (deg) | ... | ... | ... | ... | ... | ... | ... |
| K (m s−1) | ... | ... | ... | ... | ... |  |
 |
Notes. (1,2) : The difference between these two models is the prior of the GP Prot parameter. For the first model the Prot was set with a wide prior value (1–1000) days (including all possible RV signals) while the second one was set around the value of the possible rotation period of the star (30–50) days. (*) : The λ parameter corresponds with the length-scale of the GP kernel expressed in day units, it was derived from αGP parameter. The reference time for T0 is BJD-2 456 400.
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