Table 4
Overview of the statistics on the different models applied to the RV data of Gl 49 from HARPS-N S2-S6 and CARMENES datasets.
| Nsignal | Model | Nparam | ln L |
|---|---|---|---|
| 0 | null | 4 | −574.0 |
| null + GPQP | 8 | −519.9 | |
| null + GPSHO | 7 | −527.8 | |
| 1 | Keplerian | 9 | −550.9 |
| Keplerian + GPQP | 13 | −491.8 | |
| Seasonal | 20 | −491.3 | |
| Circular | 11 | −496.9 | |
| With HARPS-N S1 | 15 | (−499.3) | |
| With HIRES/HARPS-N S1 | 17 | (−502.3) | |
| Keplerian + GPSHO | 12 | −492.2 | |
| 2 | Keplerians | 14 | −531.7 |
| Keplerians + GPQP | 18 | −482.8 | |
| Keplerians + GPSHO | 17 | −484.7 | |
| 3 | Keplerians | 19 | −514.4 |
| 4 | Keplerians | 24 | −496.7 |
| 5 | Keplerians | 29 | −495.3 |
Notes. Nsignal indicates the number of fitted Keplerians; Nparam shows the number of parameters fitted in the respective model; GPQP and GPSHO are the GP noise terms with the quasi-periodic kernel of george and the harmonic oscillator kernel of celerite, respectively. The parenthesis indicate the ln L values interpolated from fits with different number of data points.
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