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Table C.2
Posterior summaries for individual models without a Keplerian component and assuming correlated noise.
| Models | ||||
|---|---|---|---|---|
| k0d0rn | k0d1rn | k0d2rn | ||
| Stellar parameters | ||||
| Systemic velocity(a), γ0 | (km s−1) | − 84.64520 ± 0.00031 | − 84.64535 ± 0.00028 | − 84.64630 ± 0.00051 |
| [−84.64589, −84.64462] | [−84.64594, −84.64474] | [−84.64733, −84.64528] | ||
| Parallax(a), π | (mas) | 392.49 ± 0.67 | 392.58 ± 0.67 | 392.35 ± 0.67 |
| [391.30, 394.03] | [391.29, 394.02] | [391.21, 393.95] | ||
| Proper motion (RA)(a), μα | (mas yr−1) | − 580.24 ± 0.62 | − 580.13 ± 0.62 | − 580.31 ± 0.62 |
| [−581.58, −579.07] | [−581.58, −579.06] | [−581.46, −578.97] | ||
| Proper motion (Dec)(a), μδ | (mas yr−1) | − 4765.79 ± 0.64 | − 4765.94 ± 0.64 | − 4765.99 ± 0.64 |
| [−4767.12, −4764.59] | [−4767.10, −4764.60] | [−4767.17, −4764.58] | ||
| Drift parameters | ||||
| Constant acceleration, γ1 | (m s−1 yr−1) | – | − 0.49 ± 0.13 | − 0.42 ± 0.13 |
| [−0.75, −0.21] | [−0.69, −0.15] | |||
| Linear acceleration, γ2 | (m2 s−2 yr−2) | – | – | 0.207 ± 0.091 |
| [0.007, 0.380] | ||||
| Instrumental parameters | ||||
| Covariance amplitude, A | (m s−1) | 2.07 ± 0.29 | 1.87 ± 0.26 | 1.84 ± 0.26 |
| [1.47, 2.69] | [1.43, 2.51] | [1.41, 2.43] | ||
| Log-characteristic timesale, log10τ | (d) | 1.36 ± 0.44 | 1.33 ± 0.33 | 1.36 ± 0.33 |
| [0.82, 2.61] | [0.79, 2.22] | [0.84, 2.19] | ||
| Extra white-noise amplitude, σJ | (m s−1) | 0.77 ± 0.39 | 0.70 ± 0.36 | 0.69 ± 0.36 |
| [0.00, 1.49] | [0.00, 1.36] | [0.00, 1.29] | ||
| Zero-point proportionaly constant, ac | – | 0.89 ± 0.10 | 0.833 ± 0.091 | 0.72 ± 0.11 |
| [0.64, 1.05] | [0.633, 1.011] | [0.47, 0.92] | ||
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