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Table 1:

Model-fit results.

Epoch
Flux-density [Jy] Core sep. [mas] Pos. a. [deg] Maj. a. [mas] Id.
1995 Apr. 7 0.956 $\pm$ 0.047 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.17 $\pm$ 0.02 k
  0.537 $\pm$ 0.038 0.63 $\pm$ 0.09 80.0 $\pm$ 5.4 0.37 $\pm$0.04 c1
  0.098 $\pm$ 0.005 1.25 $\pm$ 0.10 38.3 $\pm$ 2.6 0.96 $\pm$0.10 c3
  0.051 $\pm$ 0.003 4.35 $\pm$ 0.06 62.7 $\pm$ 2.5 1.47 $\pm$0.15 c5
1995 Dec. 15 0.557 $\pm$ 0.028 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.19 $\pm$0.02 k
  0.275 $\pm$ 0.014 0.62 $\pm$ 0.05 94.3 $\pm$ 2.5 0.32 $\pm$ 0.03 c1
  0.196 $\pm$ 0.010 0.91 $\pm$ 0.05 70.1 $\pm$ 2.7 0.33 $\pm$ 0.03 c2
  0.099 $\pm$ 0.005 1.00 $\pm$ 0.05 37.7 $\pm$ 2.9 0.73 $\pm$ 0.07 c3
  0.040 $\pm$ 0.002 2.25 $\pm$ 0.08 35.1 $\pm$ 3.0 1.18 $\pm$ 0.12 c4
  0.018 $\pm$ 0.001 4.33 $\pm$ 0.07 62.6 $\pm$ 2.7 0.74 $\pm$ 0.07 c5
1996 Jan. 19 0.565 $\pm$ 0.028 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.15 $\pm$ 0.02 k
  0.468 $\pm$ 0.023 0.69 $\pm$ 0.05 83.1 $\pm$ 2.6 0.43 $\pm$0.04 c1
  0.085 $\pm$ 0.004 1.12 $\pm$ 0.05 66.1 $\pm$ 2.7 0.23 $\pm$0.02 c2
  0.093 $\pm$ 0.005 1.21 $\pm$ 0.06 29.2 $\pm$ 2.7 0.87 $\pm$0.09 c3
  0.042 $\pm$ 0.002 4.07 $\pm$ 0.06 62.3 $\pm$ 2.8 1.42 $\pm$0.14 c5
1996 Mar. 22 0.478 $\pm$ 0.024 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.15 $\pm$ 0.02 k
  0.370 $\pm$ 0.019 0.71 $\pm$ 0.05 83.9 $\pm$ 2.6 0.44 $\pm$0.04 c1
  0.109 $\pm$ 0.005 1.07 $\pm$ 0.05 67.7 $\pm$ 2.7 0.28 $\pm$0.03 c2
  0.090 $\pm$ 0.006 1.44 $\pm$ 0.07 33.8 $\pm$ 3.2 0.99 $\pm$0.10 c3
  0.033 $\pm$ 0.002 4.41 $\pm$ 0.06 63.2 $\pm$ 2.6 1.34 $\pm$0.13 c5
1996 May 27 0.446 $\pm$ 0.022 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.00 $\pm$ 0.10 k
  0.408 $\pm$ 0.020 0.77 $\pm$ 0.05 81.8 $\pm$ 3.2 0.38 $\pm$ 0.04 c1
  0.081 $\pm$ 0.010 1.24 $\pm$ 0.08 54.6 $\pm$ 3.5 0.48 $\pm$ 0.05 c2
  0.055 $\pm$ 0.006 1.42 $\pm$ 0.10 23.3 $\pm$ 3.5 0.73 $\pm$ 0.07 c3
1996 Jul. 27 0.402 $\pm$ 0.020 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.11 $\pm$0.10 k
  0.395 $\pm$ 0.020 0.79 $\pm$ 0.05 80.8 $\pm$ 2.7 0.48 $\pm$0.05 c1
  0.049 $\pm$ 0.003 1.23 $\pm$ 0.05 55.7 $\pm$ 2.8 0.35 $\pm$0.04 c2
  0.058 $\pm$ 0.003 1.34 $\pm$ 0.08 20.9 $\pm$ 2.7 0.62 $\pm$0.06 c3
  0.019 $\pm$ 0.001 2.51 $\pm$ 0.06 45.5 $\pm$ 3.0 1.12 $\pm$0.11 c4
  0.017 $\pm$ 0.001 4.14 $\pm$ 0.05 61.4 $\pm$ 2.9 0.52 $\pm$0.05 c5
  0.012 $\pm$ 0.001 5.80 $\pm$ 0.08 65.4 $\pm$ 2.7 0.86 $\pm$0.09 c6
1996 Sep. 27 0.379 $\pm$ 0.019 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.10 $\pm$0.10 k
  0.391 $\pm$ 0.020 0.83 $\pm$ 0.05 76.9 $\pm$ 2.4 0.53 $\pm$0.05 c1
  0.090 $\pm$ 0.005 1.38 $\pm$ 0.09 29.7 $\pm$ 2.5 1.03 $\pm$0.10 c3
  0.026 $\pm$ 0.001 4.24 $\pm$ 0.05 63.8 $\pm$ 2.4 1.07 $\pm$0.11 c5
1996 Dec. 06 0.327 $\pm$ 0.016 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.12 $\pm$0.10 k
  0.329 $\pm$ 0.016 0.84 $\pm$ 0.05 75.0 $\pm$ 2.4 0.62 $\pm$ 0.06 c1
  0.033 $\pm$ 0.002 1.42 $\pm$ 0.07 17.1 $\pm$ 2.5 0.55 $\pm$ 0.06 c3
  0.017 $\pm$ 0.001 2.25 $\pm$ 0.04 35.2 $\pm$ 2.4 0.73 $\pm$ 0.07 c4
  0.021 $\pm$ 0.001 4.19 $\pm$ 0.05 62.7 $\pm$ 2.4 0.57$\pm$0.06 c5
1997 Mar 10 0.350 $\pm$ 0.020 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.22 $\pm$0.02 k
  0.251 $\pm$ 0.013 0.89 $\pm$ 0.13 75.2 $\pm$ 5.2 0.66 $\pm$0.07 c1
  0.053 $\pm$ 0.016 1.55 $\pm$ 0.10 22.9 $\pm$ 6.5 0.76 $\pm$0.08 c3
  0.011 $\pm$ 0.002 2.29 $\pm$ 0.43 50.2 $\pm$ 8.1 0.39 $\pm$0.04 c4
  0.033 $\pm$ 0.006 3.96 $\pm$ 0.23 64.5 $\pm$ 2.7 1.43 $\pm$0.14 c5
1998 Oct. 30 0.503 $\pm$ 0.025 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.17 $\pm$0.02 k
  0.092 $\pm$ 0.005 0.77 $\pm$ 0.06 75.1 $\pm$ 3.0 0.82 $\pm$ 0.08 c1
  0.033 $\pm$ 0.002 1.83 $\pm$ 0.05 32.4 $\pm$ 2.9 1.03 $\pm$ 0.10 c3
  0.019 $\pm$ 0.003 2.89 $\pm$ 0.06 54.2 $\pm$ 2.6 0.90 $\pm$ 0.09 c4
  0.018 $\pm$ 0.002 3.93 $\pm$ 0.10 67.3 $\pm$ 2.6 1.01 $\pm$ 0.10 c5
1999 Sep. 1 0.402 $\pm$ 0.020 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.17 $\pm$ 0.02 k
  0.157 $\pm$ 0.008 0.32 $\pm$ 0.06 76.8 $\pm$ 3.6 0.19 $\pm$ 0.02 ca
  0.031 $\pm$ 0.006 0.84 $\pm$ 0.10 84.7 $\pm$ 3.4 0.43 $\pm$ 0.04 c1
  0.040 $\pm$ 0.002 1.83 $\pm$ 0.07 40.3 $\pm$ 3.3 1.20 $\pm$ 0.12 c3
  0.027 $\pm$ 0.001 3.64 $\pm$ 0.06 63.5 $\pm$ 3.0 1.10 $\pm$ 0.11 c5
2000 Jan. 11 0.502 $\pm$ 0.025 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.10$\pm$0.10 k
  0.141 $\pm$ 0.007 0.41 $\pm$ 0.04 77.1 $\pm$ 2.6 0.31$\pm$0.03 ca
  0.045 $\pm$ 0.003 0.79 $\pm$ 0.06 71.7 $\pm$ 3.5 0.52$\pm$0.05 c1
  0.009 $\pm$ 0.002 1.69 $\pm$ 0.06 18.0 $\pm$ 5.0 0.50$\pm$0.05 x
  0.009 $\pm$ 0.001 2.22 $\pm$ 0.06 44.2 $\pm$ 3.1 0.54$\pm$0.05 c3
  0.026 $\pm$ 0.001 3.55 $\pm$ 0.04 62.1 $\pm$ 2.6 1.06$\pm$0.11 c5
2000 May 20 0.558 $\pm$ 0.028 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.14$\pm$0.01 k
  0.147 $\pm$ 0.008 0.35 $\pm$ 0.05 78.6 $\pm$ 2.5 0.31$\pm$0.03 ca
  0.077 $\pm$ 0.004 0.88 $\pm$ 0.05 76.2 $\pm$ 2.5 0.51$\pm$0.05 cb
  0.009 $\pm$ 0.001 1.72 $\pm$ 0.05 28.5 $\pm$ 2.5 0.77$\pm$0.08 x
  0.018 $\pm$ 0.010 2.34 $\pm$ 0.16 47.0 $\pm$ 4.9 0.98$\pm$0.10 c3
  0.007 $\pm$ 0.002 3.16 $\pm$ 0.05 63.9 $\pm$ 2.8 0.50$\pm$0.05 c4
  0.016 $\pm$ 0.001 3.99 $\pm$ 0.05 64.2 $\pm$ 2.6 0.98$\pm$0.10 c5
2001 Oct. 22 0.608 $\pm$ 0.030 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.19$\pm$0.02 k
  0.327 $\pm$ 0.016 0.41 $\pm$ 0.05 56.4 $\pm$ 2.6 0.26$\pm$0.03 ca
  0.195 $\pm$ 0.013 0.90 $\pm$ 0.05 68.9 $\pm$ 2.7 0.66$\pm$0.07 cb
  0.022 $\pm$ 0.001 2.15 $\pm$ 0.05 55.3 $\pm$ 2.7 1.21$\pm$0.12 cc
  0.018 $\pm$ 0.001 3.65 $\pm$ 0.05 63.3 $\pm$ 2.4 1.09$\pm$0.11 cd
2001 Dec. 23 0.640 $\pm$ 0.032 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.18$\pm$0.10 k
  0.335 $\pm$ 0.017 0.46 $\pm$ 0.05 56.0 $\pm$ 2.6 0.25$\pm$0.03 ca
  0.251 $\pm$ 0.013 0.91 $\pm$ 0.05 67.7 $\pm$ 2.9 0.78$\pm$0.08 cb
  0.015 $\pm$ 0.001 2.33 $\pm$ 0.06 55.0 $\pm$ 2.8 0.98$\pm$0.10 cc
  0.017 $\pm$ 0.001 3.52 $\pm$ 0.05 65.9 $\pm$ 2.6 1.26$\pm$0.13 cd
2002 Nov. 23 0.702 $\pm$ 0.035 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.09$\pm$0.10 k
  0.312 $\pm$ 0.016 0.33 $\pm$ 0.05 68.0 $\pm$ 2.6 0.19$\pm$0.02 ca
  0.108 $\pm$ 0.005 0.84 $\pm$ 0.05 53.2 $\pm$ 2.7 0.30$\pm$0.03 cb
  0.214 $\pm$ 0.011 1.21 $\pm$ 0.05 63.9 $\pm$ 2.6 0.68$\pm$0.07 x
  0.065 $\pm$ 0.004 2.23 $\pm$ 0.08 62.6 $\pm$ 3.4 1.63$\pm$0.16 cc
2003 Aug. 28 0.640 $\pm$ 0.032 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.16 $\pm$0.02 k
  0.178 $\pm$ 0.009 0.52 $\pm$ 0.05 63.4 $\pm$ 2.9 0.31$\pm$0.03 ca
  0.224 $\pm$ 0.030 0.94 $\pm$ 0.06 55.8 $\pm$ 2.9 0.56$\pm$0.06 cb
  0.169 $\pm$ 0.027 2.20 $\pm$ 0.07 60.9 $\pm$ 2.9 1.61$\pm$0.16 cc
2004 Aug. 9 0.523 $\pm$ 0.026 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.17 $\pm$ 0.02 k
  0.103 $\pm$ 0.008 0.52 $\pm$ 0.06 62.8 $\pm$ 4.7 0.22$\pm$0.02 ca
  0.184 $\pm$ 0.009 1.27 $\pm$ 0.08 63.8 $\pm$ 4.3 0.71$\pm$0.07 cb
  0.101 $\pm$ 0.008 2.52 $\pm$ 0.09 52.4 $\pm$ 3.2 1.54$\pm$0.15 cc
  0.060 $\pm$ 0.003 3.33 $\pm$ 0.06 65.9 $\pm$ 3.0 0.95$\pm$0.10 cd
2004 Dec. 2 0.522 $\pm$ 0.026 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.17 $\pm$ 0.02 k
  0.140 $\pm$ 0.011 0.58 $\pm$ 0.07 62.2 $\pm$ 3.4 0.32$\pm$0.03 ca
  0.115 $\pm$ 0.012 1.26 $\pm$ 0.06 62.7 $\pm$ 2.6 0.85$\pm$0.09 cb
  0.112 $\pm$ 0.014 2.52 $\pm$ 0.06 56.6 $\pm$ 4.4 1.44$\pm$0.14 cc
  0.057 $\pm$ 0.010 3.46 $\pm$ 0.09 64.1 $\pm$ 2.8 0.97$\pm$0.10 cd
2006 Apr. 28 0.503 $\pm$ 0.025 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.19 $\pm$ 0.02 k
  0.110 $\pm$ 0.006 0.49 $\pm$ 0.05 63.0 $\pm$ 2.9 0.36$\pm$0.04 ca
  0.153 $\pm$ 0.008 1.10 $\pm$ 0.05 60.7 $\pm$ 2.8 0.65$\pm$0.07 cb
  0.026 $\pm$ 0.001 2.25 $\pm$ 0.05 51.7 $\pm$ 2.8 1.58$\pm$0.16 cc
  0.105 $\pm$ 0.005 3.41 $\pm$ 0.05 62.7 $\pm$ 2.8 1.30$\pm$0.13 cd
2007 Mar. 2 0.408 $\pm$ 0.020 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.17 $\pm$ 0.02 k
  0.036 $\pm$ 0.005 0.55 $\pm$ 0.06 55.8 $\pm$ 8.2 0.04$\pm$0.10 ca
  0.141 $\pm$ 0.016 0.95 $\pm$ 0.08 67.0 $\pm$ 2.9 0.66$\pm$0.07 cb
  0.055 $\pm$ 0.003 2.26 $\pm$ 0.06 53.7 $\pm$ 2.9 1.11$\pm$0.11 cc
  0.074 $\pm$ 0.004 3.65 $\pm$ 0.05 64.2 $\pm$ 2.9 1.39$\pm$0.14 cd
2007 Aug. 9 0.470 $\pm$ 0.024 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.20 $\pm$ 0.02 k
  0.043 $\pm$ 0.003 0.46 $\pm$ 0.06 77.3 $\pm$ 3.8 0.30 $\pm$ 0.03 ca
  0.094 $\pm$ 0.014 1.06 $\pm$ 0.05 61.9 $\pm$ 4.3 0.58 $\pm$ 0.06 cb
  0.064 $\pm$ 0.013 2.32 $\pm$ 0.13 56.8 $\pm$ 5.3 1.48 $\pm$ 0.15 cc
  0.072 $\pm$ 0.006 3.54 $\pm$ 0.08 63.4 $\pm$ 3.1 1.37 $\pm$ 0.14 cd
2008 Nov. 26 0.327 $\pm$ 0.016 0.00 $\pm$ 0.00 0.0 $\pm$ 0.0 0.14 $\pm$ 0.10 k
  0.122 $\pm$ 0.006 0.41 $\pm$ 0.05 76.0 $\pm$ 3.0 0.29 $\pm$ 0.03 ca
  0.072 $\pm$ 0.004 0.97 $\pm$ 0.05 67.8 $\pm$ 2.9 0.53 $\pm$ 0.05 cb
  0.039 $\pm$ 0.002 2.37 $\pm$ 0.06 56.2 $\pm$ 2.9 1.60 $\pm$ 0.16 cc
  0.075 $\pm$ 0.004 3.65 $\pm$ 0.05 63.7 $\pm$ 2.9 1.42 $\pm$ 0.14 cd


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