Table 4
Bayesian evidences of the different models calculated for the three combined RV datasets from CARMENES, HARPS-N, and HPF instruments.
| Model | ln Z | Δ ln Z |
|---|---|---|
| Null | –506.6 ± 0.4 | 69.1 ± 1.1 |
| Sinusoid | –483.1 ± 0.7 | 45.6 ± 1.2 |
| Keplerian | –458.3 ± 0.7 | 20.8 ± 1.2 |
| Sinusoid + parabola | –441.7 ± 0.8 | 4.2 ± 1.3 |
| Keplerian + parabola | –443.1 ± 0.8 | 5.6 ± 1.3 |
| Sinusoid + sinusoid | –440.0 ± 0.8 | 2.5 ± 1.3 |
| Sinusoid + Keplerian | –437.5 ± 1.0 | 0 |
| Keplerian + sinusoid | –441.2 ± 0.8 | 3.7 ± 1.3 |
| Keplerian + Keplerian | –440.0 ± 1.0 | 2.5 ± 1.4 |
Notes. Δ ln Z refers to the difference in log-evidence of the best model compared to any other model. The first word in each line of the first column refers to the variation with the shortest period (around 390 d), the second word to the variation with the largest period. The model we chose to be most relevant for this study is shown in bold face.
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