\begin{table}%t2
\caption{\label{table2}Parameter values adopted to compute the SEDs for the three emitting zones$^{(\dag)}$.}
%\centerline
 {
 \small \begin{tabular}{lcccccccc} 
\hline \hline\noalign{\smallskip}
\it{Parameter} & \multicolumn{2}{c}{Fig.~\ref{fig2}} & \multicolumn{2}{c}{Fig.~\ref{fig3}} & \multicolumn{2}{c}{Fig.~4} & \multicolumn{ 2}{c}{Fig.~\ref{fig5}} \\ 
\hline\\[-1.8mm] 
Jet kinetic power $Q_{\rm jet}$ (erg~s~$^{-1}$ ) & \multicolumn{4}{c}{$10^{36}$} & \multicolumn{4}{c}{$10^{37}$} \\ 
%\hline
ISM density $n_{\rm ISM}$ (cm$^{-3}$)      & \multicolumn{2}{c}{0.1} & \multicolumn{2}{c}{$1$} & \multicolumn{2}{c}{0.1} & \multicolumn{2}{c}{1}\\ 
Source age $t_{\rm MQ}$ (yr)    & $10^{4}$ & $10^{5}$ & $10^{4}$ & $10^{5}$ & $10^{4}$ & $10^{5}$ & $10^{4}$ & $10^{5}$ \\ 
\hline
{\it SHELL}  & \multicolumn{7} {}{} & {} \\
%\hline
Magnetic field $B$ (G)                     & 2.9 $\times 10^{-5}$ & 1.1 $\times 10^{-5}$ & 5.8 $\times 10^{-5}$ & 2.3 $\times 10^{-5}$ & 4.6 $\times 10^{-5}$ & 1.8 $\times 10^{-5}$ & 9.2 $\times 10^{-5}$ & $3.6 \times 10^{-5}$  \\  
Shock velocity $v_{\rm b}$ (cm s$^{-1}$)       & $4.3\times 10^{7}$ & $1.7 \times 10^{7}$  & $2.7 \times 10^{7}$  & $1.0 \times 10^{7}$  & $6.9 \times 10^{7}$  & $2.7 \times 10^{7}$  & $4.3 \times 10^{7}$  & $1.7 \times 10^{7}$   \\  
Emitter size $r$ (cm)             & $2.3 \times 10^{19}$ & $9.1 \times 10^{19}$ & 1.4 $\times 10^{19}$ & $5.7 \times 10^{19}$ & $3.62 \times 10^{19}$ & $1.44 \times 10^{20}$ & 2.3 $\times 10^{19}$ & $9.1 \times 10^{19}$  \\ 
Rad. energy dens. $u_{\star}$ (erg cm$^{-3}$) & $5.0 \times 10^{-12}$ & $3.2 \times 10^{-11}$ & 1.2 $\times 10^{-13}$ & $8.0 \times 10^{-13}$ & 2.0 $\times 10^{-12}$ & $1.3 \times 10^{-12}$ & 5.0 $\times 10^{-13}$ & $3.2 \times 10^{-13}$  \\ 
Maximum energy $E_{\rm max}$  (TeV)  & 8.1 & 5.1 & 3.6 & 2.3 & 10.2 & 6.4 & 4.5 & 2.8  \\ 
Target density  $n_{\rm t}$ (cm$^{-3}$)  & 0.4  & 0.4  & 4.0  & 4.0  & 0.4  & 0.4  & 4.0  & 4.0\\ 
\hline
{\it COCOON}    & \multicolumn{7} {}{} & {} \\
%\hline
Magnetic field $B$ (G)   & 3.8 $\times 10^{-5}$ & 1.5 $\times 10^{-5}$ & $7.5 \times 10^{-5}$ & $3.0 \times 10^{-5}$ & 5.9 $\times 10^{-5}$ &  $2.4  \times 10^{-5}$ & $1.2  \times 10^{-4}$  & $4.7 \times 10^{-5}$ \\ 
Shock velocity $v_{\rm s}$ (cm s$^{-1}$)   & $1.8 \times 10^{10}$ & $1.8 \times 10^{10}$ & $1.8 \times 10^{10}$ & 1.8 $\times 10^{10}$ & $1.8 \times 10^{10}$ & $1.8 \times 10^{10}$ & $1.8 \times 10^{10}$ & $1.8 \times 10^{10}$ \\  
Emitter size $r$ (cm)  & $6.5 \times 10^{18}$ & $2.5 \times 10^{18}$ & $4.0 \times 10^{19}$ & 1.6 $\times 10^{19}$ & $1.0 \times 10^{19}$ & $4.0 \times 10^{18}$ & $6.5 \times 10^{19}$ & 2.5 $\times 10^{19}$ \\ 
Rad. energy dens. $u_{\star}$ (erg cm$^{-3}$)   & $7.0 \times 10^{-12}$ & $1.7 \times 10^{-11}$ & 4.4 $\times 10^{-13}$ & $1.1 \times 10^{-12}$ & $2.8 \times 10^{-12}$ & $1.7 \times 10^{-12}$ & 7.0 $\times 10^{-13}$ & $4.4 \times 10^{-13}$ \\ 
Maximum energy $E_{\rm max}$ (TeV)  & 275.5 & 275.5 & 275.5 & 275.5 & 871.2 & 871.2 & 871.23 & 871.2 \\\hline
 {\it RECONFINEMENT}  & \multicolumn{7} {}{} & {} \\
%\hline
Magnetic field $B$ (G)  & $2.6 \times 10^{-5}$ & $1.0 \times 10^{-5}$ & $5.2 \times 10^{-5}$ & $2.1 \times 10^{-5}$ & $4.2 \times 10^{-5}$ & $1.6 \times 10^{-5}$ & $8.3 \times 10^{-5}$ & $3.3 \times 10^{-5}$ \\ 
Shock velocity $v_{\rm conf}$ (cm s$^{-1}$)  & 1.8 $\times 10^{9}$ & $1.8 \times 10^{9}$ & 1.8 $\times 10^{9}$ & $1.8 \times 10^{9}$ & $1.8 \times 10^{9}$ & $1.8 \times 10^{9}$ & $1.8 \times 10^{9}$ & $1.8 \times 10^{9}$ \\  
Emitter size $r$ (cm)               & $1.9 \times 10^{19}$ & $7.6 \times 10^{19}$ & $1.2 \times 10^{19}$ & $4.8 \times 10^{19}$ & $3.0 \times 10^{19}$ & $1.2 \times 10^{20}$ & $1.9 \times 10^{19}$ & $7.6 \times 10^{19}$ \\  
Rad. energy dens. $u_{\star}$ (erg cm$^{-3}$)  & $2.5 \times 10^{-8}$ & $4.0 \times 10^{-9}$ & $1.0 \times 10^{-7}$ & $1.6 \times 10^{-8}$ & $6.4 \times 10^{-9}$ &  $1.0 \times 10^{-9}$ & $2.5 \times 10^{-8}$ & $4.0 \times 10^{-9}$ \\ 
Maximum energy $E_{\rm max}$ (TeV)  & 3.2 & 3.2 & 3.2 & 3.2 & 10.1 & 10.1 & 10.1 & 10.1 \\ 
\hline 
\end{tabular}}
\smallskip%\medskip
$^{(\dag)}$ The target density, $n_{\rm t}$, is only shown when non-negligible. We show the parameter values at $t_{\rm MQ}$, but we note that they vary smoothly with time. The computation of the non-thermal particle distribution has taken this into account. See Sect.~2 for details.
\end{table}