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Table 2

Parameters of our jet model.

Parameter Value (concave) Value (conical) Notes

Jet viewing angle, θ 3 deg 3 deg Nair et al. (2005)
Time delay, Δτ, between the NE and SW images 27 days 27 days Barnacka et al. (2011)

Quiescent state
Power index of e energy distribution, γ 2.8−3.0 1.0−1.2
Reference distance to the jet base, R0 1.05−1.27 pc 0.88−1.11 pc
Bulk Lorentz factor, Γ0, at R0 9.1−12.2 7.8−8.7
Reference frequency, ν0 100 GHz 100 GHz
Opacity, τν0, at ν0 and R0 1 1
Total flux density, Fν0, at ν0 1.73−1.78 Jy 0.9−1.1 Jy
Flux-density ratio, ℜquiet = FNE/FSW 1.325−1.350 1.350−1.370
Curvature index of the jet surface, β 0.039−0.087

Width of the overdensity region, Δ 1.7−2.0 mpc 1.0−1.3 mpc
Density contrast factor, K 200−210 110−140
Injection time of plasmon, t0 (days after 1st epoch) 19.2−19.5 18.8−19.1

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