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Table 3
Core separations rn (mas) and thecorresponding distance Z (mas and pc) along the precession axis within which the inner trajectories of the knots are well fitted in terms of the precessing nozzle model with a precession period of ~5.16 yr.
| Knot | rn (mas) | Z(mas) | Z(pc) |
|---|---|---|---|
| C1 | 2.0 | 82 | 343 |
| C2 | 1.47 | 50 | 210 |
| C3 | 1.19 | 40 | 168 |
| C4 | 0.58 | 20 | 84 |
| C5 | 1.04 | 35 | 147 |
| C6 | 0.75 | 33 | 140 |
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