\begin{table}%t2
\caption {Radio flux density and power 325~MHz, 1.4~GHz and 4.8~GHz for the 
CIG~sample. \label{tab_flux}}
%\centerline
 {\begin{tabular}{rrrrrrrrrrrrr}
\hline
\hline
  & \multicolumn{4}{c}{ 325 MHz} & \multicolumn{4}{c}{1.4 GHz} & \multicolumn{4}{c}{4.8 GHz} \\
\multicolumn{1}{c}{CIG} &
\multicolumn{1}{c}{Flux}  & 
\multicolumn{1}{c}{Error}&  
\multicolumn{1}{c}{Power} & 
\multicolumn{1}{c}{Ref.}   &
\multicolumn{1}{c}{Flux}   &
\multicolumn{1}{c}{Error}   &
\multicolumn{1}{c}{Power}   &
\multicolumn{1}{c}{Ref.}   &
\multicolumn{1}{c}{Flux}   &
\multicolumn{1}{c}{Error}   &
\multicolumn{1}{c}{Power}   &
\multicolumn{1}{c}{Ref.} \\
 & (mJy) & (mJy)  & (W~Hz$^{-1}$) &   & (mJy) & (mJy)  & (W~Hz$^{-1}$) &   & (mJy) & (mJy)  & (W~Hz$^{-1}$) &   \\
\hline
1  &  0.00  &  0.00 & 0.000  & 0  &   7.70  &   0.72 & 21.894 & 1 & $-$18.00  &  0.00  & $-$22.262  & 1  \\
2  & $-$18.00 &  0.00 & $-$22.228 & 1 &  $-$2.00 &   0.00 & $-$21.274 &  1&  $-$18.00 &  0.00 &  $-$22.228 & 1 \\
3  & $-$18.00 &  0.00 &  0.000 & 1  &  $-$2.00 &   0.00 &  0.000 & 1 &  $-$18.00 &   0.00 &  0.000 & 1 \\
4  &  0.00  & 0.00  & 0.000 & 0   & 31.70  &  1.07 & 21.412 & 1  & $-$18.00  &  0.00 & $-$21.166 & 1 \\
5  &  0.00  & 0.00  & 0.000 & 0   & $-$2.00  &  0.00 & $-$21.380 & 1 &  $-$18.00 &   0.00 & $-$22.335 & 1 \\
6  &  0.00  & 0.00  & 0.000 & 0   &  6.10  &  0.66 & 21.356  &1  & $-$18.00  &  0.00 & $-$21.826 & 1 \\
7  &  0.00  & 0.00  & 0.000 & 0   & $-$2.00  &  0.00 & $-$21.815 & 1 &  $-$18.00 &   0.00 &  $-$22.769 & 1 \\
8  &  0.00  & 0.00  & 0.000 & 0   & $-$2.00  &  0.00 & $-$21.183 & 1 &  $-$18.00 &   0.00 & $-$22.137 & 1 \\
9  & 0.00   & 0.00  & 0.000 & 0   &  2.40  &  0.79 & 21.526 & 1  & $-$18.00  &  0.00 & $-$22.402 & 1 \\
10 & $-$18.00 &  0.00 & $-$21.852 & 1 &  $-$2.00 &    0.00 & $-$20.897 & 1 &
$-$18.00 &   0.00 & $-$21.852 & 1 \\
\ldots&\ldots&\ldots&\ldots&\ldots&\ldots&\ldots&\ldots&\ldots&\ldots&\ldots&\ldots&\ldots\\
\hline
\end{tabular}}
\end{table}