Table 4: Comparison of fitting parameters of the SED for knot C.
Parameters (I)Sy(WCL)a (II)Sy(MCL)b (III)Sy + SSC(WCL)c (IV)Sy + SSC(MCL)d
R (pc) 250 250 250 250
B ($\mu$G) 570 240 12 8
N0 (cm-3)c $1.3 \times 10^{-2}$ $5.8 \times 10^{-4}$ 20.0 $1.4 \times 10^{-1}$
se 2.8 2.2 2.8 2.2
$\gamma_{\rm min}$ 1 1 1 1
$\gamma_{\rm brk}$ - $2.6 \times 10^4$ - $1.5 \times 10^5$
$\gamma_{\rm max}$ $6.0 \times 10^6$ $2.4 \times 10^7$ $1.4 \times 10^7$ $4.0 \times 10^7$
$u_{\rm e}$/uB 1.0 1.0 $3.6 \times 10^{6}$ $2.3 \times 10^{5}$
$u_{\rm sync}$ (erg cm-3) $1.2 \times 10^{-11}$ $1.4 \times 10^{-11} $ $9.7 \times 10^{-12}$ $1.4 \times 10^{-11} $
$L_{\rm kin}$ (erg s-1)e $1.5 \times 10^{45} ~\Gamma_{\rm BLK}^2$ $2.6 \times 10^{44} ~\Gamma_{\rm BLK}^2$ $1.1 \times 10^{48} ~\Gamma_{\rm BLK}^2$ $3.2 \times 10^{46} ~\Gamma_{\rm BLK}^2$
$L_{\rm E}$ (erg s-1)f $1.9 \times 10^{45} ~\Gamma_{\rm BLK}^2$ $3.4 \times 10^{44} ~\Gamma_{\rm BLK}^2$ $1.5 \times 10^{48} ~\Gamma_{\rm BLK}^2$ $4.3 \times 10^{46} ~\Gamma_{\rm BLK}^2$
$\beta_{\rm sh}^{g}$ - $5 \times 10^{-2}$ - $2 \times 10^{-3}$
$\xi^{{\rm h}}$ $ 9.9 \times 10^4 ~\beta_{\rm sh}^2$ 36.8 $3.2 \times 10^5 ~\beta_{\rm sh}^2$ 0.1
$t_{\rm cool}$ (s)i $3.9 \times 10^8 ~\gamma_{\rm max} \gamma^{-1}$ $5.6 \times 10^{8}~ \gamma_{\rm max} \gamma^{-1}$ $1.4 \times 10^{11} ~\gamma_{\rm max} \gamma^{-1} $ $4.8 \times 10^{10} ~ \gamma_{\rm max} \gamma^{-1}$
$c t_{\rm cool}$ (pc)j $3.8 ~\gamma_{\rm max} \gamma^{-1}$ $5.4~ \gamma_{\rm max} \gamma^{-1}$ $1400 ~\gamma_{\rm max} \gamma^{-1}$ $465 \gamma_{\rm max} \gamma^{-1}$
CL-brk? $\times$ $\bigcirc$ $\bigcirc$ $\bigcirc$
$\xi$ $\ge$ 1? $\bigcirc$ $\bigcirc$ $\bigcirc$ $\times$
a Corresponding figure is Fig. 7 (I).
b Corresponding figure is Fig. 7 (II).
c Corresponding figure is Fig. 7 (III).
d Corresponding figure is Fig. 7 (IV).
e Kinetic power of electrons in knot C. $\Gamma_{\rm BLK}$ is the bulk Lorentz factor of knot C.
f Total power of electrons in knot C.
g Shock velocity of knot C.
h The acceleration parameter given in the text, where $\beta_{\rm sh}$ is the shock velocity in the jet.
i Cooling time of electrons of energy $\gamma$$m_{\rm e}$c2.
j The distance travelled by an electron before losing its energy by radiation.

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