\begin{table}%t1
\par
%\centering
\par
\caption{Target levels of Fe XIII and their threshold energies (in {\rm Ryd}).\label{tab1}}
\begin{tabular}{rllrrrr} 
\hline
\hline
Index    & Configuration & Level                            &  Expt.$^a$  &   GRASP$^b$ &   GRASP$^c$ &    CIV3$^d$  \\ 
\hline
\noalign{\smallskip}
  1......& 3s$^2$3p$^2$ &  $^3$P$_0$			     &  0.0000  &    0.0000  &   0.0000  &   0.0000  \\
  2......& 3s$^2$3p$^2$ &  $^3$P$_1$			     &  0.0848  &    0.0835  &   0.0835  &   0.0768  \\
  3......& 3s$^2$3p$^2$ &  $^3$P$_2$			     &  0.1691  &    0.1700  &   0.1693  &   0.1582  \\
  4......& 3s$^2$3p$^2$ &  $^1$D$_2$			     &  0.4380  &    0.4629  &   0.4570  &   0.4366  \\
  5......& 3s$^2$3p$^2$ &  $^1$S$_0$			     &  0.8339  &    0.8497  &   0.8513  &   0.8612  \\
  6......& 3s3p$^3$	&  $^5$S${^0}{_2}$		     &          &    1.9719  &   1.8987  &	     \\
  7......& 3s3p$^3$	&  $^3$D${^0}{_1}$		     &  2.6172  &    2.7427  &   2.6004  &   2.5978  \\
  8......& 3s3p$^3$	&  $^3$D${^0}{_2}$		     &  2.6186  &    2.7437  &   2.6017  &   2.5982  \\
  9......& 3s3p$^3$	&  $^3$D${^0}{_3}$		     &  2.6445  &    2.7683  &   2.6271  &   2.6212  \\
 10......& 3s3p$^3$	&  $^3$P${^0}{_0}$		     &          &    3.1533  &   2.9915  &   2.9906  \\
 11......& 3s3p$^3$	&  $^3$P${^0}{_1}$		     &  3.0040  &    3.1595  &   2.9978  &   2.9956  \\
 12......& 3s3p$^3$	&  $^3$P${^0}{_2}$		     &  3.0097  &    3.1649  &   3.0033  &   2.9910  \\
 13......& 3s3p$^3$	&  $^1$D${^0}{_2}$		     &  3.3017  &    3.5222  &   3.3084  &   3.2968  \\
 14......& 3s$^2$3p3d	&  $^3$F${^0}{_2}$		     &          &    4.1285  &   3.9508  &   3.9906  \\
 15......& 3s3p$^3$	&  $^3$S${^0}{_1}$		     &  3.7860  &    4.1498  &   3.8485  &   3.8390  \\
 16......& 3s$^2$3p3d	&  $^3$F${^0}{_3}$		     &          &    4.1901  &   4.0120  &   4.0500  \\
 17......& 3s$^2$3p3d	&  $^3$F${^0}{_4}$		     &          &    4.2822  &   4.1025  &   4.1366  \\
 18......& 3s3p$^3$	&  $^1$P${^0}{_1}$		     &  3.9918  &    4.3144  &   4.0650  &   4.0348  \\
 19......& 3s$^2$3p3d	&  $^3$P${^0}{_2}$		     &  4.4320  &    4.7668  &   4.5045  &   4.4884  \\
 20......& 3s$^2$3p3d	&  $^3$P${^0}{_1}$		     &  4.5102  &    4.8245  &   4.5788  &   4.5594  \\
 21......& 3s$^2$3p3d	&  $^3$P${^0}{_0}$		     &  4.5867  &    4.8765  &   4.6310  &   4.6076  \\
 22......& 3s$^2$3p3d	&  $^1$D${^0}{_2}$		     &  4.5460  &    4.9284  &   4.6237  &   4.5960  \\
 23......& 3s$^2$3p3d	&  $^3$D${^0}{_1}$		     &  4.6156  &    4.9392  &   4.6924  &   4.6642  \\
 24......& 3s$^2$3p3d	&  $^3$D${^0}{_2}$		     &  4.6406  &    4.9689  &   4.7194  &   4.6918  \\
 25......& 3s$^2$3p3d	&  $^3$D${^0}{_3}$		     &  4.6400  &    4.9694  &   4.7219  &   4.6968  \\
 26......& 3s$^2$3p3d	&  $^1$F${^0}{_3}$		     &  5.0745  &    5.4286  &   5.1884  &   5.2120  \\
 27......& 3p$^4$	&  $^3$P$_2$			     &          &    5.5487  &   5.5444  &	     \\
 28......& 3s$^2$3p3d	&  $^1$P${^0}{_1}$		     &  5.2005  &    5.5975  &   5.3014  &   5.2694  \\
 29......& 3p$^4$	&  $^3$P$_1$			     &          &    5.6581  &   5.6547  &	     \\
 30......& 3p$^4$	&  $^3$P$_0$			     &          &    5.6877  &   5.6844  &	     \\
 31......& 3s3p$^2$3d	&  $^5$F${_1}$  		     &          &    5.7727  &   5.7591  &	     \\
 32......& 3s3p$^2$3d	&  $^5$F${_2}$  		     &          &    5.7924  &   5.7792  &	     \\
 33......& 3p$^4$	&  $^1$D$_2$			     &          &    5.7955  &   5.7830  &	     \\
 34......& 3s3p$^2$3d	&  $^5$F${_3}$  		     &          &    5.8246  &   5.8116  &	     \\
 35......& 3s3p$^2$3d	&  $^5$F${_4}$  		     &          &    5.8698  &   5.8569  &	     \\
 36......& 3s3p$^2$3d	&  $^5$F${_5}$  		     &          &    5.9286  &   5.9151  &	     \\
 37......& 3s3p$^2$3d	&  $^5$D${_0}$  		     &          &    5.9856  &   5.9873  &	     \\
 38......& 3s3p$^2$3d	&  $^5$D${_1}$  		     &          &    5.9911  &   5.9924  &	     \\
 39......& 3s3p$^2$3d	&  $^5$D${_2}$  		     &          &    6.0016  &   6.0024  &	     \\
 40......& 3s3p$^2$3d	&  $^5$D${_3}$  		     &          &    6.0179  &   6.0183  &	     \\
 41......& 3s3p$^2$3d	&  $^5$D${_4}$  		     &          &    6.0444  &   6.0456  &	     \\
 42......& 3s3p$^2$($^1$D)3d   &  $^3$F${_2}$		     &          &    6.2614  &   6.2600  &	     \\
 43......& 3s3p$^2$($^1$D)3d   &  $^3$F${_3}$		     &          &    6.3008  &   6.2996  &	     \\
 44......& 3s3p$^2$($^1$D)3d   &  $^3$F${_4}$		     &          &    6.3595  &   6.3587  &	     \\
 45......& 3s3p$^2$3d	&  $^5$P${_3}$  		     &          &    6.4703  &   6.4298  &	     \\
 46......& 3s3p$^2$3d	&  $^5$P${_2}$  		     &          &    6.5030  &   6.4626  &	     \\
 47......& 3s3p$^2$3d	&  $^5$P${_1}$  		     &          &    6.5227  &   6.4821  &	     \\
 48......& 3p$^4$	&  $^1$S$_0$			     &          &    6.6097  &   6.6104  &	     \\
 49......& 3s3p$^2$($^3$P)($^4$P)3d   &  $^3$P${_2}$	   &   &  6.7648  &   6.7631  &   \\
 50......& 3s3p$^2$($^3$P)($^4$P)3d   &  $^3$P${_1}$	   &   &  6.8482  &   6.8462  &   \\
 51......& 3s3p$^2$($^3$P)($^4$P)3d   &  $^3$P${_0}$	   &   &  6.9048  &   6.9047  &   \\
 52......& 3s3p$^2$3d	&  $^3$G${_3}$  		   &   &  7.0072  &   6.9720  &   \\
 53......& 3s3p$^2$3d	&  $^3$G${_4}$  		   &   &  7.0220  &   6.9868  &   \\
 54......& 3s3p$^2$3d	&  $^3$G${_5}$  		   &   &  7.0414  &   7.0060  &   \\
 55......& 3s3p$^2$($^3$P)($^4$P)3d   &  $^3$D${_1}$	   &   &  7.0666  &   7.0097  &   \\
 56......& 3s3p$^2$($^3$P)($^4$P)3d   &  $^3$D${_2}$	   &   &  7.0752  &   7.0186  &   \\
 57......& 3s3p$^2$($^3$P)($^4$P)3d   &  $^3$D${_3}$	   &   &  7.0921  &   7.0339  &   \\
 58......& 3s3p$^2$3d	&  $^1$G${_4}$  		   &   &  7.1333  &   7.1225  &   \\
\hline
 59......& 3s3p$^2$($^1$D)3d   &  $^1$F${_3}$		   &   &  7.2445  &   7.2348  &   \\
 60......& 3s3p$^2$($^3$P)($^4$P)3d   &  $^3$F${_2}$	   &   &  7.3369  &   7.3136  &   \\
 61......& 3s3p$^2$($^3$P)($^4$P)3d   &  $^3$F${_3}$	   &   &  7.3838  &   7.3622  &   \\
 62......& 3s3p$^2$($^1$D)3d   &  $^3$D${_1}$		   &   &  7.3972  &   7.3870  &   \\
 63......& 3s3p$^2$($^1$D)3d   &  $^3$D${_2}$		   &   &  7.4209  &   7.4109  &   \\
 64......& 3s3p$^2$($^3$P)($^4$P)3d   &  $^3$F${_4}$	   &   &  7.4509  &   7.4280  &   \\
 65......& 3s3p$^2$($^1$D)3d   &  $^3$P${_0}$		   &   &  7.4676  &   7.4415  &   \\
 66......& 3s3p$^2$($^1$D)3d   &  $^3$D${_3}$		   &   &  7.4687  &   7.4609  &   \\
 67......& 3s3p$^2$($^1$D)3d   &  $^3$P${_1}$		   &   &  7.4842  &   7.4587  &   \\
 68......& 3s3p$^2$($^1$D)3d   &  $^3$P${_2}$		   &   &  7.5160  &   7.4910  &   \\
 69......& 3s3p$^2$($^3$P)3d   &  $^1$P${_1}$		   &   &  7.5402  &   7.5333  &   \\
 70......& 3s3p$^2$3d	&  $^3$S${_1}$  		   &   &  7.6629  &   7.6561  &   \\
 71......& 3s3p$^2$($^1$S)3d   &  $^3$D${_1}$		   &   &  7.7297  &   7.6830  &   \\
 72......& 3s3p$^2$($^1$S)3d   &  $^3$D${_2}$		   &   &  7.7356  &   7.6721  &   \\
 73......& 3s3p$^2$($^1$S)3d   &  $^3$D${_3}$		   &   &  7.7962  &   7.7111  &   \\
 74......& 3s3p$^2$($^3$P)($^2$P)3d   &  $^3$F${_2}$	   &   &  7.8615  &   7.8205  &   \\
 75......& 3s3p$^2$($^3$P)($^2$P)3d   &  $^3$F${_3}$	   &   &  7.9025  &   7.8650  &   \\
 76......& 3s3p$^2$($^3$P)($^2$P)3d   &  $^3$F${_4}$	   &   &  7.9385  &   7.8993  &   \\
 77......& 3s3p$^2$($^1$D)3d   &  $^1$D${_2}$		   &   &  7.9594  &   7.9241  &   \\
 78......& 3s3p$^2$($^3$P)($^2$P)3d   &  $^3$D${_3}$	   &   &  8.1752  &   8.1095  &   \\
 79......& 3s3p$^2$($^3$P)($^2$P)3d   &  $^3$D${_2}$	   &   &  8.2051  &   8.1212  &   \\
 80......& 3s3p$^2$($^3$P)($^2$P)3d   &  $^3$D${_1}$	   &   &  8.2295  &   8.1344  &   \\
 81......& 3s3p$^2$($^1$S)3d   &  $^1$D${_2}$		   &   &  8.2398  &   8.1926  &   \\
 82......& 3s3p$^2$($^1$D)3d   &  $^1$P${_1}$		   &   &  8.3951  &   8.3257  &   \\
 83......& 3s3p$^2$3d	&  $^1$S${_0}$  		   &   &  8.3971  &   8.3913  &   \\
 84......& 3s3p$^2$($^3$P)($^2$P)3d   &  $^3$P${_2}$	   &   &  8.6544  &   8.6114  &   \\
 85......& 3s3p$^2$($^3$P)($^2$P)3d   &  $^3$P${_1}$	   &   &  8.7027  &   8.6585  &   \\
 86......& 3s3p$^2$($^3$P)($^2$P)3d   &  $^3$P${_0}$	   &   &  8.7262  &   8.6850  &   \\
 87......& 3s3p$^2$($^3$P)3d   &  $^1$F${_3}$		   &   &  8.8997  &   8.8197  &   \\
 88......& 3s$^2$3d$^2$ &  $^3$F${_2}$  		   &   &  9.0282  &   8.9791  &   \\
 89......& 3s$^2$3d$^2$ &  $^3$F${_3}$  		   &   &  9.0382  &   8.9900  &   \\
 90......& 3s$^2$3d$^2$ &  $^3$F${_4}$  		   &   &  9.0472  &   9.0001  &   \\
 91......& 3s3p$^2$	&  $^1$D${_2}$  		   &   &  9.2874  &   9.1905  &   \\
 92......& 3s$^2$3d$^2$ &  $^1$G${_4}$  		   &   &  9.3583  &   9.2835  &   \\
 93......& 3s$^2$3d$^2$ &  $^3$P${_0}$  		   &   &  9.3808  &   9.2843  &   \\
 94......& 3s$^2$3d$^2$ &  $^3$P${_1}$  		   &   &  9.3883  &   9.2913  &   \\
 95......& 3s$^2$3d$^2$ &  $^3$P${_2}$  		   &   &  9.4030  &   9.3049  &   \\
 96......& 3s$^2$3d$^2$ &  $^1$D${_2}$  		   &   &  9.4997  &   9.4177  &   \\
 97......& 3s$^2$3d$^2$ &  $^1$S${_0}$  		   &   & 10.1460  &  10.1260  &   \\
\hline
\end{tabular}
 $^a$ NIST  ({\tt http://www.physics.nist/gov/PhysRefData}).\\
 $^b$ Present results from 6  configurations and  97 levels.\\
 $^c$ Present results from 13 configurations and 301 levels.\\
 $^d$ Gupta \& Tayal (\cite{Gupta98}).
\end{table}