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Table A.3
Parameter prior distributions for the HD 204313 system.
Prior distribution | |||
Orbital parameters | Planet b | Planet c | |
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Orbital period, P | [days] | N(2046.3,9.1) | N(34.989,0.033) |
RV amplitude, K | [m s-1] | N(66.9,1.3) | N(4.9,1.0) |
Eccentricity, e | N(0.125,0.017) | B(0.93,5.5) | |
Argument of periastron, ω | [deg] | N(303.0,8.3) | U(0,360) |
Mean longitude at epoch, L0 | [deg] | N(109.10,0.91) | N(35.6,15.0) |
Systemic velocity, V0 | [km s-1] | U(−9,762,−9.697) | |
Velocity drift (long-term activity effect)⋆ | |||
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Scaling constant, α | [m s-1/dex] | U(0,300) | |
Linear | [10-2 dex yr-1] | N(−1.02,0.13) | |
Quadratic | [10-4 dex yr-2] | N(−5.5,2.5) | |
Cubic | [10-4 dex yr-3] | N(3.68,0.92) | |
Noise model‡ | |||
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Additional noise at ![]() |
[m s-1] | U(0,50) | |
Slope, αJ | [m s-1/dex] | U(−200,200) |
Notes. The epoch is BJD = 2 454 993.84858. U(xmin;xmax): uniform distribution between xmin and xmax. N(μ;σ): normal distribution with mean μ and standard deviation σ. B(a,b): beta distribution.
(⋆)
See Sect. 4.3.
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