Table 2
Difference in positions of the peaks at 8.6 and 2.3 GHz.
| Model | Δ0.04 | Δ1 |
| index | (mas) | (mas) |
|
|
||
| M1s | < 0.14 | 0.11 |
| M1 | < 0.14 | 0.11 |
| M2s | < 0.14 | 0.11 |
| M2 | < 0.14 | 0.11 |
| M2cs | −0.28 | 0.055 |
| M2c | −0.28 | 0.055 |
Notes. Δ0.04 and Δ1 are the differences for the source redshift of 0.04 and 1, respectively. Positive values indicate that the peak at the 8.6 GHz is farther away from the nucleus than at 2.3 GHz. M1s and M1 stand for the one-sided jet model with and without shock acceleration, respectively. Similarly, M2s and M2 stand for the jet of the double-sided jet model, while M2cs and M2c stand for the counter jet in that same model. When the difference is smaller than the angular resolution of the unconvolved maps, we give only upper bounds.
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