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Table 3
Orbital parameters of Gl 725 B, showing the best-fit model including one confirmed planet (c) and one candidate (b) with circular and Keplerian fits.
| Parameters | 2p | Priors | |
|---|---|---|---|
| Circular | Keplerian | ||
| Instrumental parameters | |||
| γSPIRou (m s−1) | 1143.7 ± 5.7 | 1143.9 ± 5.3 | 𝒰(−∞, ∞) |
| trend (m s−1 d−1) | −0.016 ± 0.001 | −0.016 ± 0.001 | 𝒰(−∞, ∞) |
| σSPIRou (m s−1) | 2.9 ± 0.2 | 2.9 ± 0.2 | ℒ𝒰(10−4, 104) |
| wapiti systematics | |||
| a1 (m/s) | −34.1 ± 3.4 | −34.2 ± 3.4 | 𝒰(−∞, ∞) |
| a2 (m/s) | −25.5 ± 3.3 | −25.7 ± 3.3 | 𝒰(−∞, ∞) |
| a3 (m/s) | −19.7 ± 3.4 | −19.6 ± 3.4 | 𝒰(−∞, ∞) |
| a4 (m/s) | 15.8 ± 3.5 | 16.1 ± 3.5 | 𝒰(−∞, ∞) |
| dET parameters | |||
| dET (K) | 0.5 ± 8.9 | 0.2 ± 7.8 | 𝒰(−∞, ∞) |
| σdET (K) | 1.6 ± 0.1 | 1.6 ± 0.1 | ℒ𝒰(10−4, 104) |
| Stellar activity hyperparameters | |||
| Prot (days) | 105.1 ± 3.3 | 105.1 ± 3.4 | ℒ𝒰(0.1, 105) |
| ρ (days) | 2160 ± 1697 | 2072 ± 1644 | ℒ𝒰(0.1, 105) |
| η | 1.3 ± 0.5 | 1.3 ± 0.5 | ℒ𝒰(0.05, 20) |
| α1 (m/s) | −5.3 ± 2.8 | −5.0 ± 2.6 | 𝒩(0, 10) |
| α2 (K) | 10.1 ± 4.9 | 9.6 ± 4.7 | 𝒩(0, 10) |
| Orbital parameters | |||
| Pb (days) | 4.765 ± 0.004 | 4.765 ± 0.004 | ℒ𝒰(0.1, 105) |
| Kb (m s−1) | 1.4 ± 0.3 | 1.4 ± 0.4 | ℒ𝒰(0.1, 104) |
| λb(0) (deg) | −0.3 ± 3.8 | −0.3 ± 3.9 | 𝒰(0, 2π) |
| eb cos ωb | − | 0.00 ± 0.12 | modBeta(0.867, 3.03) |
| eb sin ωb | − | −0.03 ± 0.13 | modBeta(0.867, 3.03) |
| Pc (days) | 37.90 ± 0.17 | 37.91 ± 0.16 | ℒ𝒰(0, 1, 105) |
| Kc (m s−1) | 1.7 ± 0.3 | 1.7 ± 0.4 | ℒ𝒰(0, 1, 104) |
| λc(0) (deg) | 5.2 ± 2.6 | 5.4 ± 2.5 | 𝒰(0, 2π) |
| ec cos ωc | − | 0.05 ± 0.14 | modBeta(0.867, 3.03) |
| ec sin ωc | − | −0.03 ± 0.14 | modBeta(0.867, 3.03) |
| Derived parameters | |||
| Mp,b sin i (M⊕) | 1.5 ± 0.4 | 1.4 ± 0.4 | − |
| ab (AU) | 0.035 ± 0.001 | 0.035 ± 0.001 | − |
| eb | − | 0.13 ± 0.11 | Beta(0.867, 3.03) |
| ωb | − | −0.4 ± 1.8 | − |
| Teq,b (K) | 430 ± 8 | 430 ± 8 | − |
| Mp,c sin i (M⊕) | 3.4 ± 0.7 | 3.5 ± 0.7 | − |
| ac (AU) | 0.139 ± 0.004 | 0.139 ± 0.004 | − |
| ec | − | 0.14 ± 0.12 | Beta(0.867, 3.03) |
| ωc | − | −0.3 ± 1.5 | − |
| Teq,c (K) | 215 ± 4 | 215 ± 4 | − |
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