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Table 2.
Self-referencing core-shift vectors of each calibrator for different frequency pairs.
| Source | Frequency | RA | Dec | Absolute values (1) | Projected absolute (2) |
|---|---|---|---|---|---|
| pair | (mas) | (mas) | (mas) | values (mas) | |
| CX | 0.49 ± 0.06 | 0.05 ± 0.05 | 0.49 ± 0.06 | 0.49 ± 0.06 | |
| J0006 | XU | 0.17 ± 0.03 | 0.07 ± 0.03 | 0.18 ± 0.03 | 0.18 ± 0.03 |
| UK | 0.07 ± 0.02 | 0.01 ± 0.03 | 0.07 ± 0.02 | 0.07 ± 0.02 | |
| CX | 0.01 ± 0.04 | 0.44 ± 0.06 | 0.44 ± 0.06 | 0.44 ± 0.06 | |
| J0007 | XU | −0.01 ± 0.02 | 0.15 ± 0.03 | 0.15 ± 0.03 | 0.15 ± 0.03 |
| UK | −0.04 ± 0.01 | 0.06 ± 0.02 | 0.07 ± 0.02 | 0.06 ± 0.02 | |
| CX | 0.32 ± 0.10 | −0.12 ± 0.06 | 0.34 ± 0.10 | 0.33 ± 0.10 | |
| J0008 | XU | 0.10 ± 0.03 | 0.05 ± 0.03 | 0.11 ± 0.03 | 0.09 ± 0.03 |
| UK | −0.01 ± 0.02 | 0.02 ± 0.02 | 0.02 ± 0.02 | −0.01 ± 0.02 | |
Notes. (1)The magnitude of the vector. (2)The scalar product of the core-shift vector with the mean direction vector.
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