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Table 1

Parameters of the regression analysis performed for the different components of the jet.

Feature Time period Proper motion βapp Est. time of ejection
[mas yr-1] [c]

A (inner jet comp.) 1996.37–2003.24 0.005 ± 0.011 0.2 ± 0.5
2005.68–2011.48 0.046 ± 0.011 2.2 ± 0.5 ~1995.0
B (inner jet comp.) 1996.37–2003.24 0.028 ± 0.011 1.3 ± 0.5
2005.30–2011.28 0.117 ± 0.011 5.5 ± 0.5 ~1997.4
C (inner jet comp.) 2008.48–2011.48 0.137 ± 0.019 6.4 ± 0.9 ~2007.3
D (inner jet comp.) 2010.14–2011.48 0.165 ± 0.017 7.7 ± 0.8 ~2009.6

R1 (Arc comp.) 1996.37–2010.65 0.115 ± 0.007 5.4 ± 0.3 ~1988.4
R3 (Arc comp.) 1995.96–2011.48 0.192 ± 0.009 9.0 ± 0.4 ~1992.7

Y (outer jet comp.) 1995.57–2011.48 0.068 ± 0.003 3.2 ± 0.1
Z (outer jet comp.) 1995.57–2011.48 0.066 ± 0.010 3.1 ± 0.5

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