\begin{table}%t3
%\centering
\par
\caption{\label{Table3}$^{56}$Fe mass originating from a SN Ia events in the
ICSP/IGSP in the redshift interval $0 \leq z \leq 1$. }
\begin{tabular}{c c c }
\hline \hline
Crit.  & Cluster & Group \\
\hline\noalign{\smallskip}
1 & $4.1 \times 10^8$ & $2.9 \times 10^7$\\
2 & $7.7 \times 10^7$ & $2.2 \times 10^6$\\
 3 & $2.0 \times 10^8$ & $4.4 \times10^7$\\
4 & $1.2 \times10^8$ & $2.3 \times10^7$\\
 5 & $6.4 \times10^7$ & $1.4 \times10^7$\\
\hline
Total & & \\
stellar & & \\
 mass & $1.19 \times10^{13}$ & $1.13 \times10^{12}$\\
\hline
\end{tabular}
\tablefoot{Quantities are
given in~$M_{\sun}$~h$^{-1}$.}
%\vspace*{4mm}
\end{table}