\begin{table}%t3
\caption{\label{comass}Characteristics of the substructures  detected in the Coma \mbox{cluster}.}
\small%\centering
\par
\begin{tabular}{ccccc}
\hline\hline
$\alpha$   &  $\delta$ & $N$ & Tentative mass & Redshift \\
 (2000.0)  &  (2000.0) &   & (if virialized) & \\
  (deg)    &  (deg)    &   &      ($M\odot$)          & \\
\hline
194.9353        &   27.83393       &  3	          &  3.85E+11     &   0.0117  \\ 
194.8504        &   27.96517       &  7	          &  4.83E+10     &   0.0128  \\ 
194.8732        &   27.95258       &  9	          &  2.83E+12     &   0.0162  \\ 
194.6830        &   27.84417       &  4	          &  2.49E+12     &   0.0193  \\ 
194.8887        &   27.95417       &  3	          &  1.17E+12     &   0.0236  \\ 
194.7610        &   28.15490       &  3	          &  1.36E+13     &   0.0283  \\ 
194.8395        &   27.82490       &  4	          &  5.08E+12     &   0.0342  \\ 
\hline
\end{tabular}
\end{table}