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Table 1
Proper motions and apparent speeds based on different time intervals, core distances, and jet modes.
| Epoch | Id. | r | μ (radial) | μ (x,y) | μ (radial) | βapp (radial) |
| [mas] | [mas yr-1] | [c] | ||||
|
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| “Short-term” apparent motion | ||||||
|
|
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| 7 Apr. 2000–27 Jun. 2000 (80 d) | 0.40 ± 0.04−0.47 ± 0.04 | 0.07 ± 0.07 | 0.1 ± 0.06 | 0.32 ± 0.32 | 0.08 ± 0.08 | |
| 3.28 ± 0.04−3.47 ± 0.04 | 0.19 ± 0.08 | 0.2 ± 0.06 | 0.87 ± 0.37 | 0.23 ± 0.10 | ||
| 6.13 ± 0.04−6.91 ± 0.04 | 0.78 ± 0.08 | 0.92 ± 0.06 | 3.57 ± 0.37 | 0.93 ± 0.10 | ||
| 8.79 ± 0.04−11.23 ± 0.22 | 2.44 ± 0.26 | 2.47 ± 0.23 | 11.16 ± 1.19 | 2.90 ± 0.31 | ||
| 8 Apr. 2010–18 Apr. 2010 (10 d) | 0.35 ± 0.04−0.39 ± 0.04 | 0.04 ± 0.04 | 0.04 ± 0.05 | 1.46 ± 1.46 | 0.38 ± 0.38 | |
| 0.82 ± 0.04−1.01 ± 0.04 | 0.19 ± 0.08 | 0.19 ± 0.06 | 6.94 ± 2.92 | 1.80 ± 0.76 | ||
| 2.26 ± 0.04−2.36 ± 0.04 | 0.10 ± 0.08 | 0.19 ± 0.06 | 3.65 ± 2.92 | 0.95 ± 0.76 | ||
|
|
||||||
| Apparent motion in consecutive | ||||||
| epochs of a straight jet-phase | ||||||
|
|
||||||
| 27 Oct. 1996–10 Mar. 1997 | 0.21 ± 0.04−0.31 ± 0.09 | 0.10 ± 0.10 | 0.27 ± 0.27 | 0.07 ± 0.07 | ||
| 0.60 ± 0.04−0.73 ± 0.17 | 0.13 ± 0.13 | 0.35 ± 0.35 | 0.09 ± 0.09 | |||
| 1.17 ± 0.07−1.60 ± 0.04 | 0.43 ± 0.11 | 1.16 ± 0.30 | 0.30 ± 0.08 | |||
| 2.09 ± 0.04−2.52 ± 0.17 | 0.43 ± 0.21 | 1.16 ± 0.57 | 0.30 ± 0.15 | |||
| 19.51 ± 0.19−20.61 ± 0.22 | 1.1 ± 0.41 | 2.97 ± 1.11 | 0.77 ± 0.29 | |||
| 28 Aug. 1997–7 Mar. 1998 | 0.60 ± 0.17−0.82 ± 0.04 | 0.22 ± 0.21 | 0.42 ± 0.40 | 0.11 ± 0.10 | ||
| 1.45 ± 0.21−1.60 ± 0.04 | 0.15 ± 0.15 | 0.29 ± 0.29 | 0.08 ± 0.08 | |||
| 2.29 ± 0.10−3.06 ± 0.04 | 0.77 ± 0.14 | 1.48 ± 0.27 | 0.39 ± 0.07 | |||
| 5.96 ± 0.06−6.72 ± 0.04 | 0.76 ± 0.10 | 1.46 ± 0.19 | 0.38 ± 0.05 | |||
| 5 Feb. 2007–3 Jun. 2007 | 0.53 ± 0.04−0.74 ± 0.19 | 0.21 ± 0.21 | 0.66 ± 0.66 | 0.17 ± 0.17 | ||
| 1.76 ± 0.04−1.90 ± 0.23 | 0.14 ± 0.14 | 0.44 ± 0.44 | 0.11 ± 0.11 | |||
| 3.45 ± 0.04−3.93 ± 0.20 | 0.48 ± 0.24 | 1.50 ± 0.75 | 0.39 ± 0.20 | |||
| 6.31 ± 0.04−7.09 ± 0.21 | 0.78 ± 0.25 | 2.44 ± 0.78 | 0.64 ± 0.20 | |||
|
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| “Long-term” apparent motion | ||||||
| (determined via linear regression) | ||||||
|
|
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| 28 Jul. 1995–21 May 2011 | J6 | 5.54 ± 0.14−11.97 ± 0.05 | 0.41 ± 0.02 | 0.11 ± 0.03 | ||
| 16 May 1996–8 Apr. 2010 | J10 | 8.56 ± 0.22−15.92 ± 0.22 | 0.49 ± 0.04 | 0.13 ± 0.01 | ||
| 28 Jul. 1995–21 May 2011 | J15 | 9.91 ± 0.35−19.70 ± 0.14 | 0.51 ± 0.04 | 0.13 ± 0.01 | ||
| 28 Jul. 1995–29 Sep. 2010 | J20 | 19.40 ± 0.22−23.12 ± 0.19 | 0.03 ± 0.04 | 0.01 ± 0.01 | ||
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