\begin{table}%t3
\caption{\label{tab3}Comparison of oscillator strengths ($f$) and collision strengths ($\Omega$) for some transitions of Fe~X. ($a \pm b \equiv a\times10^{{\pm}b}$).}
  %\centering
                                                                                                     \begin{tabular}{llllllllllll} 
\hline                                                                                                           \hline                                                                                   \multicolumn{2}{c}{Transition} & \multicolumn{5}{c}{Bhatia \& Doschek (1995)} & \multicolumn{5}{c}{Tayal (2001)} \\
\hline
$i$ & $j$ &  $f$ & 18.0 & 27.0 & 36.0 & 45.0  & $f$ & 18.0 & 27.0 & 36.0 & 45.0~Ryd \\                           \hline 						1 & 2 &        &  2.358-1 &  2.251-1 &  2.188-1 &  2.143-1 & 	   & 0.368 &  0.345 &  0.328 &  0.318 \\
1 & 3 & 0.0179 &  4.212-1 &  4.414-1 &  4.610-1 &  4.791-1 & 0.028 & 0.607 &  0.669 &  0.714 &  0.754 \\
1 & 4 & 1.78-5 &  3.915-2 &  2.552-2 &  1.787-2 &  1.325-2 & 	   & 0.044 &  0.029 &  0.020 &  0.015 \\
1 & 5 &        &  5.929-2 &  3.834-2 &  2.651-2 &  1.933-2 & 	   & 0.066 &  0.043 &  0.030 &  0.022 \\
2 & 3 & 0.0183 &  2.255-1 &  2.394-1 &  2.515-1 &  2.622-1 & 0.028 & 0.327 &  0.360 &  0.383 &  0.404 \\
2 & 4 &        &  1.200-2 &  7.893-3 &  5.582-3 &  4.179-3 & 	   & 0.013 &  0.009 &  0.006 &  0.005 \\
2 & 5 &        &  7.918-3 &  5.047-3 &  3.470-3 &  2.524-3 & 	   & 0.009 &  0.006 &  0.004 &  0.003 \\
3 & 4 &        &  1.999-3 &  1.3-1-3 &  9.220-4 &  6.940-4 & 	   &	   &	    &	     &        \\
3 & 5 &        &  2.621-3 &  1.672-3 &  1.158-3 &  8.490-4 & 	   &	   &	    &	     &        \\   
\hline                                                   	    	     		\hline 	                                                                                 \multicolumn{2}{c}{Transition} & \multicolumn{5}{c}{Pelan \& Berrington (2001)} & \multicolumn{5}{c}{Present results} \\
\hline
$i$ & $j$ &  $f$ & 18.0 & 27.0 & 36.0 & 45.0  & $f$ & 18.0 & 27.0 & 36.0 & 45.0~Ryd \\                       \hline 						1 & 2 &        &          &          &          &          &        & 0.2111 &    0.2057 &    0.2031 &    0.2018 \\
1 & 3 & 0.0257 &  0.356   &  0.363   &  0.361   &  0.361   & 0.0273 & 0.5961 &    0.6520 &    0.6952 &    0.7300 \\
1 & 4 & 5.20-5 &  0.044   &  0.028   &  0.020   &  0.015   & 1.00-4 & 4.55-2 &    3.00-2 &    2.13-2 &    1.61-2 \\
1 & 5 &        &  0.0662  &  0.0423  &  0.0293  &  0.0213  &	    & 6.71-2 &    4.31-2 &    2.97-2 &    2.16-2 \\
2 & 3 & 0.0257 &  0.186   &  0.188   &  0.188   &  0.188   & 0.0267 & 0.3164 &    0.3464 &    0.3692 &    0.3875 \\
2 & 4 &        &  0.0140  &  0.0085  &  0.0060  &  0.0045  &	    & 1.34-2 &    8.79-3 &    6.20-3 &    4.64-3 \\
2 & 5 &        &          &          &          &          &	    & 9.05-3 &	  5.75-3 &    3.94-3 &    2.85-3 \\
3 & 4 &        &  0.0020  &  0.0013  &  0.0010  &  0.0008  &        & 2.09-3 &	  1.41-3 &    1.03-3 &    8.00-4 \\
3 & 5 &        &          &          &          &          &        & 2.69-3 &	  1.74-3 &    1.22-3 &    9.03-4 \\
\hline                                                   	    			 \end{tabular} 
\end{table}