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Table 3

Parameters for the superluminal knots c, h, i, j and k.

Knot t0 PA (deg) φ(rad) θ(deg) Γ t0,obs

c 1995.54 69.76 6.0 1.92 26 1995.73
h 2002.00 23.06 3.6 0.87 15 2002.30
i 2009.00 45.80 1.0 2.29 10 2010.01
j 2011.02 60.39 0.25 2.17 15.5 2010.81
k 2010.88 59.45 0.30 2.19 9.1 2010.64

Notes. Their kinematics within core separation rn ≲ 0.5 mas are consistently explained in terms of the precessing jet-nozzle model: modeled ejection epoch t0, ejection position angle PA(deg), precession phase φ(rad), initial viewing angle θ(deg), initial Lorentz factor Γ and the observed ejection times t0,obs (taken from BQS17).

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