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Table B.2
Priors and posterior distributions for the radial velocity analysis (see Sect. 3.2).
| Parameter | Prior | 2p+GP | 3p+GP |
|---|---|---|---|
| LHS 1140 b | |||
| Orbital period, Pb (days) |  (24.736959,0.1) |
 |
 |
| Time of mid-transit, T0,b − 2 400 000 (days) |  (56915.71154,0.1) |
 |
 |
| RV semi-amplitude, Kb (m s−1) |  (0.0,20.0) |
 |
 |
| Orbital eccentricity, eb | Fixed (0.0) | <0.096 | <0.086 |
| Arg. periastron, ωb (deg.) | Fixed (90°) | ||
| Planet mass, mb sin ib (M⊕) | (derived) |  |
 |
| LHS 1140 c | |||
| Orbital period, Pc (days) |  (3.777931,0.1) |
 |
 |
| Time of mid-transit, T0,c − 2 400 000 (days) |  (58226.843169,0.1) |
 |
 |
| RV semi-amplitude, Kc (m s−1) |  (0.0,10.0) |
 |
 |
| Orbital eccentricity, ec | Fixed (0.0) | <0.274 | <0.252 |
| Arg. periastron, ωc (deg.) | Fixed (90°) | ||
| Planet mass, mc sin ic (M⊕) | (derived) |  |
 |
| LHS 1140 d (candidate) | |||
| Orbital period, Pd (days) |  (70.0,120.0) |
 |
|
| Time of mid-transit, T0,d − 2 400 000 (days) |  (58350.0,58400.0) |
 |
|
| RV semi-amplitude, Kd (m s−1) |  (0.0,10.0) |
 |
|
| Orbital eccentricity, ed | Fixed (0.0) | <0.45 | |
| Arg. periastron, ωc (deg.) | Fixed (90°) | ||
| Planet mass, md sin id (M⊕) | (derived) |  |
|
| Instrument parameters | |||
| δESPRESSOpre (m s−1) |  (-15.0,-10.0) |
 |
 |
| δESPRESSOpost (m s−1) |  (-15.0,-10.0) |
 |
 |
| δHARPSc (m s−1) |  (-15.0,-10.0) |
 |
 |
| σESPRESSOpre (m s−1) |  (0.0,0.005) |
 |
 |
| σESPRESSOpost (m s−1) |  (0.0,0.005) |
 |
 |
| σHARPSc (m s−1) |  (0.0,0.005) |
 |
 |
| δFWHM,ESPRESSOpre (km s−1) |  (3.8,0.1) |
 |
 |
| δFWHM,ESPRESSOpost (km s−1 |  (3.8,0.1) |
 |
 |
| δFWHM,HARPSc (km s−1) |  (3.0,0.1) |
 |
 |
| σFWHM,ESPRESSOpre (m s−1) |  (0.0,0.01) |
 |
 |
| σFWHM,ESPRESSOpost (m s−1) |  (0.0,0.01) |
 |
 |
| σFWHM,HARPSc (m s−1) |  (0.0,0.01) |
 |
 |
| GP hyperparameters | |||
| η1,FWHM (m s−1) |  (-6.0,6.0) |
 |
 |
| η1 (m s−1) |  (-5.0,5.0) |
 |
 |
| η2 (days) |  (100.0,500.0) |
 |
 |
| η3 (days) |  (131.0,5.0) |
 |
 |
| η4 |  (-2.0,2.0) |
 |
 |
 |
 |
 |
|
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