Open Access
Table 1.
Core-shift results for the two methods (Fits, Modelfit) described in Sect. 3.2, and their average value (AVG).
| Fits | Modelfit | AVG | |||||||
|---|---|---|---|---|---|---|---|---|---|
| ν (GHz) | r (mas) | x (mas) | y (mas) | r (mas) | x (mas) | y (mas) | r (mas) | x (mas) | y (mas) |
| 5.0 | 0.87 ± 0.49 | 0.80 ± 0.34 | 0.33 ± 0.34 | 1.13 ± 0.23 | 1.02 ± 0.21 | 0.48 ± 0.10 | 1.00 ± 0.27 | 0.91 ± 0.20 | 0.40 ± 0.18 |
| 8.4 | 0.87 ± 0.30 | 0.80 ± 0.21 | 0.33 ± 0.21 | 0.72 ± 0.17 | 0.64 ± 0.15 | 0.32 ± 0.08 | 0.79 ± 0.17 | 0.72 ± 0.13 | 0.33 ± 0.11 |
| 15.2 | 0.36 ± 0.20 | 0.32 ± 0.14 | 0.17 ± 0.14 | 0.39 ± 0.11 | 0.35 ± 0.10 | 0.16 ± 0.05 | 0.37 ± 0.11 | 0.34 ± 0.09 | 0.17 ± 0.07 |
| 21.9 | 0.14 ± 0.14 | 0.12 ± 0.10 | 0.07 ± 0.10 | 0.19 ± 0.07 | 0.17 ± 0.07 | 0.08 ± 0.03 | 0.16 ± 0.08 | 0.14 ± 0.06 | 0.07 ± 0.05 |
| 43.8 | 0.05 ± 0.10 | 0.05 ± 0.07 | 0.00 ± 0.07 | 0.06 ± 0.04 | 0.06 ± 0.04 | 0.03 ± 0.02 | 0.06 ± 0.05 | 0.05 ± 0.04 | 0.01 ± 0.04 |
| 87.6 | 0.00 ± 0.07 | 0.00 ± 0.05 | 0.00 ± 0.05 | 0.00 ± 0.03 | 0.00 ± 0.03 | 0.00 ± 0.02 | 0.00 ± 0.04 | 0.00 ± 0.03 | 0.00 ± 0.03 |
Notes. For each method, the relative columns represent the distance from the 87.6 GHz core, r, and the x and y shift from it (x and y, respectively) in mas. The rows show the frequency taken into account in GHz.
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