\begin{table}%t4
\caption{\label{tab:jet}Jet parameters used for 3D simulation.}
%\centering
\begin{tabular}{ll}
\hline\hline
Radius $r\Jet$      &$6\Kpc$ \\
Power $P\Jet$       &  $4.75\times 10^{46} $  erg/s  \\
Lifetime $\tau\Jet$ & $10\Myr$ \\
Total energy input      & $3\times 10^{61}$ erg\\
Velocity $v\Jet$    & $20~000\Kms$ \\
Mach number $M\Jet$ & $5.9$ \\
\hline
\end{tabular}
\end{table}