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Table C.1
Posterior summaries for individual models without a Keplerian component and assuming white noise.
| Models | ||||
|---|---|---|---|---|
| k0d0wn | k0d1wn | k0d2wn | ||
| Stellar parameters | ||||
| Systemic velocity(a), γ0 | (km s−1) | − 84.64538 ± 0.00021 | − 84.64521 ± 0.00021 | − 84.64587 ± 0.00036 |
| [−84.64579, −84.64494] | [−84.64564, −84.64482] | [−84.64654, −84.64505] | ||
| Parallax(a), π | (mas) | 392.74 ± 0.67 | 392.69 ± 0.67 | 392.59 ± 0.67 |
| [391.33, 394.01] | [391.30, 394.05] | [391.34, 393.98] | ||
| Proper motion (RA)(a), μα | (mas yr−1) | − 580.26 ± 0.62 | − 580.30 ± 0.62 | − 580.28 ± 0.62 |
| [−581.51, −579.07] | [−581.57, −579.00] | [−581.60, −579.06] | ||
| Proper motion (Dec)(a), μδ | (mas yr−1) | − 4765.83 ± 0.64 | − 4765.79 ± 0.64 | − 4765.82 ± 0.64 |
| [−4767.11, −4764.50] | [−4767.09, −4764.57] | [−4767.14, −4764.51] | ||
| Drift parameters | s | |||
| Constant acceleration, γ1 | (m s−1 yr−1) | – | − 0.386 ± 0.094 | − 0.370 ± 0.094 |
| [−0.575, −0.196] | [−0.553, −0.183] | |||
| Linear acceleration, γ2 | (m2 s−2 yr−2) | – | – | 0.127 ± 0.064 |
| [−0.007, 0.250] | ||||
| Instrumental parameters | ||||
| Extra white-noise amplitude, σJ | (m s−1) | 2.12 ± 0.17 | 1.98 ± 0.17 | 1.93 ± 0.17 |
| [1.82, 2.50] | [1.66, 2.34] | [1.65, 2.31] | ||
| Zero-point proportionaly constant, ac | – | 0.901 ± 0.077 | 0.892 ± 0.073 | 0.812 ± 0.084 |
| [0.753, 1.066] | [0.751, 1.041] | [0.641, 0.977] | ||
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