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Table 2
Results of the GP regression analysis applied to RVs extracted with different pipelines.
| TERRA | DRS | R20 | |||||
|---|---|---|---|---|---|---|---|
| N = 0 planets | N = 1 | N = 0 | N = 1 | N = 0 | N = 1 | ||
| Parameter | Prior | Best-fit value | Best-fit value | Best-fit value | Best-fit value | Best-fit value | Best-fit value |
| GP hyper-parameters | |||||||
| h[m s−1] |  (0,1500) |
867 |
869 |
1167 |
1176 |
955 |
955 |
| λ [days] |  (0,1000) |
229 |
228 |
241 |
242 |
229 |
225 |
| w |  (0,1) |
0.37 ± 0.04 | 0.37 |
0.29 ± 0.03 | 0.29 ± 0.02 | 0.34 |
0.34 ± 0.03 |
| θ [days] |  (2.742,σ = 0.007) |
2.7409 ± 0.0004 | 2.7409 ± 0.0004 | 2.7411 ± 0.0004 | 2.7411 ± 0.0004 | 2.7410 |
2.7410 ± 0.0004 |
| σjit, HARPS-N [m s−1] |  (0,500) |
117 |
115 |
194 |
192 |
108 |
106 |
| γHARPS-N [m s−1] |  (− 1000,+1000) [TERRA; R20] |
− 207 |
17 329 |
−88 |
|||
 (16500,18500) [DRS] |
|||||||
| Planet parameters | |||||||
| Kb [m s−1] |  (0,100) |
25.4 (48.1) |
37 (77) |
25.7 (75.8) |
|||
| Pb [days] |  (0,10) |
4.0 (1.4) |
5.9 (3.3) |
3.9 (3.6) |
|||
| Tb, conj [BJD − 2 450 000] |  (8840,8855) |
8847.0 |
8846.9 |
8847.1 |
|||
Bayesian evidence  |
− 990.6 | − 992.0 | − 1058.3 | − 1059.3 | − 1002.8 | − 1004.3 | |
| RMS of the residuals [m s−1] | 105 | 102 | 157 | 161 | 109 | 126 | |
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