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Table A.1
Parameter prior distributions.
| Orbital parameters | Prior distribution | ||||
| HD 16175 | HD 191806 | HD 214823 | HD 221585 | ||
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| Orbital period, P | [days] | ← − J(1,104) − → | |||
| RV amplitude, K | [m s-1] | U(0,200) | U(0,200) | U(0,400) | U(0,200) |
| Eccentricity, e | ← − B(0.867,3.03) − → | ||||
| Argument of periastron, ω | [deg] | ← − U(0,360) − → | |||
| Mean longitude at epoch, L0 | [deg] | ← − U(0,360) − → | |||
| Systemic velocity, V0 | [km s-1] | U(21.75,21.94) | U( − 18.65, − 12.08) | U( − 44.56, − 44.47) | U(6.41,6.46) |
| Linear drift | [m s-1/yr] | – | U( − 1,1) | – | – |
| Noise model | |||||
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| ELODIE additional noise | [m s-1] | ← − U(0,150) − → | |||
| SOPHIE noise at activity minimum | [m s-1] | – | U(0,50) | U(0,50) | U(0,50) |
| SOPHIE+ noise at activity minimum | [m s-1] | ← − U(0,50) − → | |||
| LICK additional noise | [m s-1] | U(0,50) | – | – | – |
| SOPHIE/SOPHIE+ slope, αJ | [km s-1] | ← − U(0,10) − → | |||
| Instrument offsets | |||||
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| ELODIE/SOPHIE offset | [m s-1] | – | N(166,40) | N(57.22,23) | N(112.5,23) |
| SOPHIE+/SOPHIE offset | [m s-1] | – | N(0,10) | N(0,10) | N(0,10) |
| ELODIE/SOPHIE+ offset | [m s-1] | N(69.98,33) | – | – | – |
| LICK/SOPHIE+ offset | [km s-1] | U(21.6,22.0) | – | – | – |
Notes.Arrows indicate that the same prior applies to all stars. U(xmin;xmax): uniform distribution between xmin and xmax. J(xmin;xmax): Jeffreys (log-flat) distribution between xmin and xmax. N(μ;σ): normal distribution with mean μ and standard deviation σ. B(a,b): beta distribution.
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