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Table 5

Best-fit parameters (MAP and HDI at 68.27%) along with their respective priors, as inferred from the dynamical joint modelling of RVs and TTVs with TRADES.

TOI-396 b TOI-396 c TOI-396 d
MAP (HDI) Prior MAP (HDI) Prior MAP (HDI) Prior
Mp/M (10−6) 8.622.26+0.76$8.62_{ - 2.26}^{ + 0.76}$ 𝒰(0.02, 52.0) 5.591.69+0.25$5.59_{ - 1.69}^{ + 0.25}$ 𝒰(0.02, 52.0) 171+3$17_{ - 1}^{ + 3}$ 𝒰(0.02, 52.0)
P (d) 3.5855350.000171+0.000092$3.585535_{ - 0.000171}^{ + 0.000092}$ 𝒰(3, 4) 5.972910.00031+0.00058$5.97291_{ - 0.00031}^{ + 0.00058}$ 𝒰(5, 7) 11.2303550.000016+0.000173$11.230355_{ - 0.000016}^{ + 0.000173}$ 𝒰(10, 12)
ecosω$\sqrt e \cos \omega $ 0.0990.014+0.155$ - 0.099_{ - 0.014}^{ + 0.155}$ U(0.5,0.5)${\cal U}( - \sqrt {0.5} ,\sqrt {0.5} )$ 0.2640.017+0.060$ - 0.264_{ - 0.017}^{ + 0.060}$ U(0.5,0.5)${\cal U}( - \sqrt {0.5} ,\sqrt {0.5} )$ 0.1680.035+0.069$ - 0.168_{ - 0.035}^{ + 0.069}$ U(0.5,0.5)${\cal U}( - \sqrt {0.5} ,\sqrt {0.5} )$
esinω$\sqrt e \sin \omega $ 0.2680.031+0.038$ - 0.268_{ - 0.031}^{ + 0.038}$ U(0.5,0.5)${\cal U}( - \sqrt {0.5} ,\sqrt {0.5} )$ 0.0660.042+0.062$ - 0.066_{ - 0.042}^{ + 0.062}$ U(0.5,0.5)${\cal U}( - \sqrt {0.5} ,\sqrt {0.5} )$ 0.2200.071+0.062$0.220_{ - 0.071}^{ + 0.062}$ U(0.5,0.5)${\cal U}( - \sqrt {0.5} ,\sqrt {0.5} )$
λ(°) 122.535.50+0.21$122.53_{ - 5.50}^{ + 0.21}$ 𝒰(0, 360) 230.043.53+0.61$230.04_{ - 3.53}^{ + 0.61}$ 𝒰(0, 360) 9.932.99+0.55$9.93_{ - 2.99}^{ + 0.55}$ 𝒰(0, 360)
Mp (M) 3.460.97+0.27$3.46_{ - 0.97}^{ + 0.27}$ (derived) 2.240.67+0.13$2.24_{ - 0.67}^{ + 0.13}$ (derived) 6.890.60+1.41$6.89_{ - 0.60}^{ + 1.41}$ (derived)
e 0.0820.020+0.011$0.082_{ - 0.020}^{ + 0.011}$ 𝒢(0, 0.083) 0.07410.0275+0.0071$0.0741_{ - 0.0275}^{ + 0.0071}$ 𝒢(0, 0.083) 0.0770.031+0.013$0.077_{ - 0.031}^{ + 0.013}$ 𝒢(0, 0.083)
ω(°) 2505+31$250_{ - 5}^{ + 31}$ (derived) 19413+12$194_{ - 13}^{ + 12}$ (derived) 12718+16$127_{ - 18}^{ + 16}$ (derived)
ℳ (°) 5337+5$53_{ - 37}^{ + 5}$ (derived) 21614+12$216_{ - 14}^{ + 12}$ (derived) 6315+16$63_{ - 15}^{ + 16}$ (derived)
ρp (ρ) 0.4260.136+0.013$0.426_{ - 0.136}^{ + 0.013}$ (derived) 0.2880.096+0.003$0.288_{ - 0.096}^{ + 0.003}$ (derived) 0.8420.123+0.12$0.842_{ - 0.123}^{ + 0.12}$ (derived)
ρp (g cm−3) 2.3390.750+0.073$2.339_{ - 0.750}^{ + 0.073}$ (derived) 1.5820.528+0.019$1.582_{ - 0.528}^{ + 0.019}$ (derived) 4.6240.676+0.704$4.624_{ - 0.676}^{ + 0.704}$ (derived)

MAP (HDI) Prior
γRV (m s−1) 0.0590.234+0.095$0.059_{ - 0.234}^{ + 0.095}$ 𝒰(−5005, +5005)
log2 σjitter 3211+19$ - 32_{ - 11}^{ + 19}$ (−49.83, 6.65)
σjitter (m s−1) ≪10−5 (derived)

Notes. All parameters have been defined at the reference time Tref = BJDTDB − 2 450 000 = 8379. 𝒰(X, Y) means uniform distribution between X and Y values; ℋ(µ, σ) means half-normal distribution with mean µ and standard deviation σ.

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