Table A.3
Two-Keplerian fit to the HARPS data.
| Parameter | Units | Prior | Posterior |
|---|---|---|---|
| γ | (km s−1) | U(17.395, 17.425) | 17.4098 ± 0.0046 |
| Jitter | (m s−1) | J(0.01, 5) |  |
| GJ 3090 b | |||
| P | (d) | N(2.8531042, 3.1 × 10−6) | 2.8531042 ± 3.2 × 10−6 |
| Tc – 2, 450, 000 | [BJD] | N(8370.41862, 0.00030) | 8370.41862 ± 0.00030 |
 cos ω |
U (-1, 1) |  |
|
 sin ω |
U (-1, 1) | −0.10 ± 0.36 | |
| e |  |
||
| ω | [°] |  |
|
| K | (m s−1) | U (0, 10) | 2.39 ± 0.56 |
| GJ3090 c | |||
| P | (d) | U (12.5, 12.9) |  |
| Tc – 2, 450, 000 | [BJD] | U (8364, 8377) |  |
 cos ω |
U (-1, 1) |  |
|
 sin ω |
U (-1, 1) | −0.01 ± 0.23 | |
| e | 0.22 ± 0.13 | ||
| ω | [°] |  |
|
| K | (m s−1) | U (0, 20) | 6.18 ± 0.76 |
| QPC | |||
| h1 | (m s−1) | J(0.01, 50) |  |
| h2 | (m s−1) | J(0.01, 50) |  |
| P | (d) | U(1, 30) |  |
| λ | (d) | U(1, 2000) |  |
Notes. N(µ, σ): Normal distribution with mean µ, and standard deviation σ. U(a, b): A uniform distribution defined between a lower a and upper b limit. J(a, b): Jeffreys (or log-uniform) distribution defined between a lower a and upper b limit. γ, P, Tc, e, ω, and K denote the systemic velocity, orbital period, time of conjunction, eccentricity, argument of pericentre, and RV semi-amplitude, respectively. h1 , h2, P, and λ are the hyperparameters of the QPC kernel defined in Perger et al. (2021).
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