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Table C.4

Posterior summaries for individual models without a Keplerian component and assuming correlated noise.

Models

k1d0rn k1d1rn k1d2rn
Stellar parameters

Systemic velocity(a), γ0 (km s−1) − 84.64523 ± 0.00036 − 84.64542 ± 0.00033 − 84.64642 ± 0.00056
[−84.64596, −84.64452] [−84.64610, −84.64472] [−84.64767, −84.64537]
Parallax(a), π (mas) 392.46 ± 0.67 392.84 ± 0.67 392.59 ± 0.67
[391.35, 394.10] [391.30, 394.04] [391.22, 393.98]
Proper motion (RA)(a), μα (mas yr−1) − 580.30 ± 0.62 − 580.21 ± 0.62 − 580.07 ± 0.62
[−581.52, −578.97] [−581.58, −579.06] [−581.58, −579.03]
Proper motion (Dec)(a), μδ (mas yr−1) − 4765.83 ± 0.64 − 4765.84 ± 0.64 − 4766.22 ± 0.64
[−4767.05, −4764.52] [−4767.07, −4764.50] [−4767.07, −4764.50]

Planet parameters

Orbital period, P (d) 12.9465 ± 0.0071 12.9476 ± 0.0080 12.9477 ± 0.0074
[12.9374, 12.9662] [12.9401, 12.9715] [12.9399, 12.9688]
RV amplitude, K (m s−1) 1.75 ± 0.24 1.76 ± 0.23 1.70 ± 0.23
[1.19, 2.14] [1.11, 2.03] [1.14, 2.08]
− 0.58 ± 0.22 − 0.57 ± 0.24 − 0.51 ± 0.23
[−0.72, 0.12] [−0.67, 0.22] [−0.67, 0.22]
− 0.09 ± 0.23 − 0.13 ± 0.24 − 0.19 ± 0.23
[−0.56, 0.35] [−0.51, 0.39] [−0.54, 0.35]
Mean longitude at epoch, λ0 (deg) − 42.1 ± 9.0 − 41.8 ± 9.5 − 43.4 ± 9.1
[−60.3, −22.1] [−56.4, −18.8] [−58.9, −22.6]

Drift parameters

Constant acceleration, γ1 (m s−1 yr−1) − 0.49 ± 0.15 − 0.37 ± 0.15
[−0.85, −0.22] [−0.71, −0.08]
Linear acceleration, γ2 (m2 s−2 yr−2) 0.217 ± 0.098
[0.043, 0.438]

Instrumental parameters

Covariance amplitude, A (m s−1 ) 1.94 ± 0.32 1.76 ± 0.28 1.56 ± 0.27
[1.38, 2.73] [1.30, 2.42] [1.24, 2.32]
Log-characteristic timesale, log 10 τ (d) 2.20 ± 0.25 2.17 ± 0.24 2.11 ± 0.25
[1.78, 2.82] [1.63, 2.69] [1.68, 2.67]
Extra white-noise amplitude, σJ (m s−1 ) 0.48 ± 0.29 0.32 ± 0.27 0.12 ± 0.26
[0.00, 0.99] [0.00, 0.94] [0.00, 0.90]
Zero-point proportionaly constant, ac 0.78 ± 0.12 0.79 ± 0.11 0.72 ± 0.12
[0.52, 0.99] [0.55, 0.99] [0.39, 0.86]

Notes. (a) Measured at HIPPARCOS epoch.

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