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Table 4
Results of the simulations.
| Orientation (ϵ) | Spin (ω) | Acceleration ( ) |
||||||||||
| [μas] | [μas yr-1] | [μas yr-1] | ||||||||||
| x | y | z | x | y | z | x | y | z | ||||
| Case A | Mean | –0.249 | –0.234 | –0.126 | 0.001 | –0.004 | –0.003 | 4.304 | 0.003 | –0.026 | ||
| Std | 3.282 | 3.425 | 3.069 | 0.125 | 0.158 | 0.166 | 0.149 | 0.144 | 0.157 | |||
| ⟨ σ ⟩ | 2.211 | 2.254 | 2.445 | 0.144 | 0.147 | 0.159 | 0.145 | 0.146 | 0.159 | |||
| Case B | Mean | 0.169 | 0.182 | 0.428 | –0.003 | 0.001 | 0.007 | 4.308 | 0.002 | –0.007 | ||
| Std | 3.909 | 3.695 | 4.329 | 0.145 | 0.182 | 0.167 | 0.162 | 0.152 | 0.175 | |||
| ⟨ σ ⟩ | 2.239 | 2.284 | 2.473 | 0.154 | 0.156 | 0.169 | 0.154 | 0.155 | 0.169 | |||
| Case C | Mean | 0.216 | –0.072 | –0.148 | –0.014 | 0.013 | 0.016 | 4.307 | 0.009 | –0.001 | ||
| Std | 4.605 | 4.281 | 4.469 | 0.136 | 0.178 | 0.171 | 0.154 | 0.146 | 0.165 | |||
| ⟨ σ ⟩ | 2.260 | 2.304 | 2.494 | 0.148 | 0.150 | 0.163 | 0.148 | 0.150 | 0.163 | |||
| Case D | Mean | 3.818 | 0.633 | 1.427 | –1.083 | –4.473 | 1.184 | 5.578 | 1.657 | –1.654 | ||
| Std | 3.217 | 3.779 | 4.559 | 0.151 | 0.165 | 0.185 | 0.175 | 0.151 | 0.203 | |||
| ⟨ σ ⟩ | 2.157 | 2.136 | 2.838 | 0.171 | 0.167 | 0.211 | 0.172 | 0.167 | 0.211 | |||
Notes. For each case in Table 3, we give the mean value (Mean) and standard deviation (Std) of 100 experiments, together with the average formal standard error (⟨ σ ⟩) of the parameter. x, y, z are the Galactic components of the vectors.
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