Table 4
Model comparison using the Bayesian log evidences on the RVs for Wolf 1069.
| Model | ln 𝒵 | Δ ln 𝒵 |
|---|---|---|
| Base models | ||
| Flat | −640.00 | −33.14 |
| dSHO-GP165 d | −618.51 | −11.65 |
| One-signal model | ||
| 1 Kep15.6 d | −631.49 | −24.63 |
| Two-signal models | ||
| 1 Kep15.6 d + 1 Sin90.3 d | −620.62 | −13.76 |
| 1 Kep15.6 d + dSHO-GP165 d | −606.86 | 0.0 |
| Three-signal models | ||
| 1 Kep15.6 d + 2 Sin90.3 d, 165 d | −616.83 | −9.96 |
| 1 Kep15.6 d + 1 Sin90.3 d + dSHO-GP165 d | −606.94 | −0.08 |
Notes. The chosen model was the 1 Kep15.6d + dSHO-GP165 d, as marked as the bold-faced row. A better model would have a larger, more positive Δ ln 𝒵. Regarding the model names, “Kep” refers to a circular Keplerian orbit and “Sin” to a sinusoidal signal. The period values are quoted as the median of the posterior distribution and can vary slightly depending on the model choice.
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