\begin{table}%t1
\caption{Target levels of Fe XVII and their threshold energies (in Ryd).}\label{tab1}
%\centering
\par
\begin{tabular}{rllccc} 
\hline
\hline
Index & Configuration &   Level &  Expt.$^a$ & GRASP$^b$ & GRASP$^c$\\
\hline
   1 & 2s$^2$2p$^6$	&   $^1$S$_0$	         & 00.0000 & 00.0000  &    0.0000 \\
   2 & 2s$^2$2p$^5$3s	&   $^3$P$_2^{\rm o}$    & 53.2966 & 53.1622  &   53.1706 \\
   3 &       .......	&   $^1$P$_1^{\rm o}$    & 53.4367 & 53.3059  &   53.3143 \\
   4 &       .......	&   $^3$P$_0^{\rm o}$    & 54.2269 & 54.0917  &   54.0986 \\
   5 &       .......	&   $^3$P$_1^{\rm o}$    & 54.3140 & 54.1813  &   54.1897 \\
   6 & 2s$^2$2p$^5$3p	&   $^3$S$_1$	         & 55.5218 & 55.3881  &   55.3951 \\
   7 &       .......	&   $^3$D$_2$	    	 & 55.7788 & 55.6551  &   55.6636 \\
   8 &       .......	&   $^3$D$_3$	    	 & 55.8974 & 55.7720  &   55.7804 \\
   9 &       .......	&   $^1$P$_1$	    	 & 55.9804 & 55.8596  &   55.8682 \\
  10 &       .......	&   $^3$P$_2$	    	 & 56.1137 & 55.9902  &   55.9989 \\
  11 &       .......	&   $^3$P$_0$	    	 & 56.5155 & 56.4021  &   56.4098 \\
  12 &       .......	&   $^3$D$_1$	    	 & 56.6672 & 56.5441  &   56.5526 \\
  13 &       .......	&   $^3$P$_1$	    	 & 56.9061 & 56.7801  &   56.7885 \\
  14 &       .......	&   $^1$D$_2$	    	 & 56.9337 & 56.8086  &   56.8171 \\
  15 &       .......	&   $^1$S$_0$	    	 & 57.8894 & 57.9529  &   57.9419 \\
  16 & 2s$^2$2p$^5$3d	&   $^3$P$_0^{\rm o}$    & 58.8983 & 58.7676  &   58.7755 \\
  17 &       .......	&   $^3$P$_1^{\rm o}$    & 58.9818 & 58.8392  &   58.8470 \\
  18 &       .......	&   $^3$P$_2^{\rm o}$    & 59.0977 & 58.9758  &   58.9838 \\
  19 &       .......	&   $^3$F$_4^{\rm o}$    & 59.1042 & 58.9842  &   58.9913 \\
  20 &       .......	&   $^3$F$_3^{\rm o}$    & 59.1612 & 59.0447  &   59.0521 \\
  21 &       .......	&   $^1$D$_2^{\rm o}$    & 59.2876 & 59.1739  &   59.1821 \\
  22 &       .......	&   $^3$D$_3^{\rm o}$    & 59.3666 & 59.2541  &   59.2625 \\
  23 &       .......	&   $^3$D$_1^{\rm o}$    & 59.7080 & 59.6062  &   59.6131 \\
  24 &       .......	&   $^3$F$_2^{\rm o}$    & 60.0877 & 59.9701  &   59.9778 \\
  25 &       .......	&   $^3$D$_2^{\rm o}$    & 60.1618 & 60.0286  &   60.0370 \\
  26 &       .......	&   $^1$F$_3^{\rm o}$    & 60.1974 & 60.0705  &   60.0784 \\
  27 &       .......	&   $^1$P$_1^{\rm o}$    & 60.6004 & 60.6356  &   60.6368 \\
  28 & 2s2p$^6$3s	&   $^3$S$_1$	         & ....... & 63.2048  &   63.2124 \\
  29 &       .......	&   $^1$S$_0$	         & ....... & 63.6956  &   63.6988 \\
  30 & 2s2p$^6$3p	&   $^3$P$_0^{\rm o}$    & ....... & 65.6263  &   65.6342 \\
  31 &       .......	&   $^3$P$_1^{\rm o}$    & 65.6012 & 65.6594  &   65.6674 \\
  32 &       .......	&   $^3$P$_2^{\rm o}$    & ....... & 65.8295  &   65.8373 \\
  33 &       .......	&   $^1$P$_1^{\rm o}$    & 65.9238 & 65.9717  &   65.9800 \\
  34 & 2s2p$^6$3d	&   $^3$D$_1$	         & ....... & 68.9168  &   68.9199 \\
  35 &       .......	&   $^3$D$_2$	    	 & ....... & 68.9268  &   68.9299 \\
  36 &       .......	&   $^3$D$_3$	    	 & ....... & 68.9459  &   68.9492 \\
  37 &       .......	&   $^1$D$_2$	    	 & ....... & 69.3192  &   69.3246 \\
  38 & 2s$^2$2p$^5$4s	&   $^3$P$_2^{\rm o}$    & ....... & 71.6515  &   71.6597 \\
  39 &       .......	&   $^1$P$_1^{\rm o}$    & 71.8607 & 71.6987  &   71.7069 \\
  40 &       .......	&   $^3$S$_1$	         & ....... & 72.5806  &   72.5874 \\
  41 & 2s$^2$2p$^5$4p	&   $^3$P$_0^{\rm o}$    & ....... & 72.5829  &   72.5911 \\
  42 & 2s$^2$2p$^5$4s	&   $^3$P$_1^{\rm o}$    & 72.7465 & 72.6071  &   72.6153 \\
  43 & 2s$^2$2p$^5$4p	&   $^3$D$_2$	         & ....... & 72.6448  &   72.6530 \\
  44 &       .......	&   $^3$D$_3$	    	 & ....... & 72.6937  &   72.7022 \\
  45 &       .......	&   $^1$P$_1$	    	 & ....... & 72.7239  &   72.7323 \\
   46 & 2s$^2$2p$^5$4p	&   $^3$P$_2$	         & .......  & 72.7669  &   72.7756 \\
  47 &       .......	&   $^3$P$_0$	    	 & .......  & 73.0629  &   73.0634 \\
  48 &       .......	&   $^3$D$_1$	    	 & .......  & 73.5564  &   73.5649 \\
\hline
  49 &       .......	&   $^3$P$_1$	    	 & .......  & 73.6435  &   73.6515 \\
  50 &       .......	&   $^1$D$_2$	    	 & .......  & 73.6597  &   73.6682 \\
  51 & 2s$^2$2p$^5$4d	&   $^3$P$_0^{\rm o}$    & .......  & 73.8051  &   73.8125 \\
  52 &       .......	&   $^3$P$_1^{\rm o}$    & 73.9584  & 73.8374  &   73.8449 \\
  53 &       .......	&   $^3$F$_4^{\rm o}$    & .......  & 73.8771  &   73.8853 \\
  54 &       .......	&   $^3$P$_2^{\rm o}$    & .......  & 73.8903  &   73.8982 \\
  55 &       .......	&   $^3$F$_3^{\rm o}$    & .......  & 73.8992  &   73.9075 \\
  56 & 2s$^2$2p$^5$4p	&   $^1$S$_0$	         & .......  & 73.9250  &   73.9148 \\
  57 & 2s$^2$2p$^5$4d	&   $^1$D$_2^{\rm o}$    & .......  & 73.9453  &   73.9538 \\
  58 &       .......	&   $^3$D$_3^{\rm o}$    & .......  & 73.9733  &   73.9819 \\
  59 &       .......	&   $^3$D$_1^{\rm o}$    & 74.3047  & 74.1736  &   74.1765 \\
  60 & 2s$^2$2p$^5$4f	&   $^3$D$_1$	         & .......  & 74.4536  &   74.4623 \\
  61 &       .......	&   $^1$G$_4$	    	 & .......  & 74.4546  &   74.4625 \\
  62 &       .......	&   $^3$G$_5$	    	 & .......  & 74.4559  &   74.4638 \\
  63 &       .......	&   $^3$D$_2$	    	 & .......  & 74.4639  &   74.4726 \\
  64 &       .......	&   $^3$F$_3$	    	 & .......  & 74.4888  &   74.4975 \\
  65 &       .......	&   $^1$D$_2$	    	 & .......  & 74.4929  &   74.5015 \\
  66 &       .......	&   $^1$F$_3$	    	 & .......  & 74.4955  &   74.5040 \\
  67 &       .......	&   $^3$F$_4$	    	 & .......  & 74.5012  &   74.5096 \\
  68 & 2s$^2$2p$^5$4d	&   $^3$F$_2^{\rm o}$    & .......  & 74.8209  &   74.8292 \\
  69 &       .......	&   $^3$D$_2^{\rm o}$    & .......  & 74.8396  &   74.8476 \\
  70 &       .......	&   $^1$F$_3^{\rm o}$    & .......  & 74.8622  &   74.8705 \\
  71 &       .......	&   $^1$P$_1^{\rm o}$    & 75.1704  & 75.0349  &   75.0358 \\
  72 & 2s$^2$2p$^5$4f	&   $^3$G$_3$	         & .......  & 75.4005  &   75.4086 \\
  73 &       .......	&   $^3$G$_4$	    	 & .......  & 75.4087  &   75.4168 \\
  74 &       .......	&   $^3$D$_3$	    	 & .......  & 75.4171  &   75.4258 \\
  75 &       .......	&   $^3$F$_2$	    	 & .......  & 75.4180  &   75.4267 \\
  76 & 2s$^2$2p$^5$ 5s  &   $^3$P$_2^{\rm o}$    & .......  & .......  &   79.6047 \\
  77 &        .......	&   $^1$P$_1^{\rm o}$    & 79.79    & .......  &   79.6289 \\
  78 & 2s$^2$2p$^5$5p	&   $^3$S$_1$ 	         & .......  & .......  &   80.0630 \\
  79 &       .......	&   $^3$D$_2$	    	 & .......  & .......  &   80.0985 \\
  80 &        .......	&   $^3$D$_3$	    	 & .......  & .......  &   80.1230 \\
  81 &        .......	&   $^1$P$_1$	    	 & .......  & .......  &   80.1382 \\
  82 &       .......	&   $^3$P$_2$	    	 & .......  & .......  &   80.1593 \\
  83 &       .......	&   $^1$S$_0$	    	 & .......  & .......  &   80.3254 \\
  84 & 2s$^2$2p$^5$ 5s  &   $^3$P$_0^{\rm o}$    & .......  & .......  &   80.5357 \\
  85 &       .......	&   $^3$P$_1^{\rm o}$    & 80.70    & .......  &   80.5468 \\
  86 & 2s$^2$2p$^5$ 5d  &   $^3$P$_0^{\rm o}$    & ....... & .......  &   80.6646 \\
  87 &       .......	&   $^3$P$_1^{\rm o}$    & 80.70   & .......  &   80.6813 \\
  88 &        .......	&   $^3$F$_4^{\rm o}$    & ....... & .......  &   80.6989 \\
  89 &        .......	&   $^3$P$_2^{\rm o}$    & ....... & .......  &   80.7066 \\
  90 &       .......	&   $^3$F$_3^{\rm o}$    & ....... & .......  &   80.7092 \\
  91 &       .......	&   $^1$D$_2^{\rm o}$    & ....... & .......  &   80.7310 \\
  92 &       .......	&   $^3$D$_3^{\rm o}$    & ....... & .......  &   80.7445 \\
  93 &       .......	&   $^1$P$_1^{\rm o}$    & 81.85   & .......  &   80.8554 \\
  94 &  2s$^2$2p$^5$ 5f &   $^3$D$_1$	         & ....... & .......  &   80.9757 \\
  95 &       .......	&   $^3$D$_2$ 	    	 & ....... & .......  &   80.9842 \\
  96 &       .......	&   $^3$G$_5$	    	 & ....... & .......  &   80.9868 \\
\hline
  97 &       .......	&   $^1$G$_4$	    	 & ....... & .......  &   80.9869 \\
  98 &       .......	&   $^3$F$_3$ 	    	 & ....... & .......  &   80.9997 \\
  99 &       .......	&   $^1$D$_2$ 	    	 & ....... & .......  &   81.0059 \\
 100 &       .......	&   $^1$F$_3$ 	    	 & ....... & .......  &   81.0067 \\
 101 &       .......	&   $^3$G$_4$	    	 & ....... & .......  &   81.0099 \\
 102 &  2s$^2$2p$^5$ 5g &   $^3$F$_2^{\rm o}$    & ....... & .......  &   81.0102 \\
 103 &       .......	&   $^3$F$_3^{\rm o}$    & ....... & .......  &   81.0121 \\
 104 &        .......	&   $^1$H$_5^{\rm o}$    & ....... & .......  &   81.0189 \\
 105 &       .......	&   $^3$H$_6^{\rm o}$    & ....... & .......  &   81.0206 \\
 106 &       .......	&   $^3$G$_3^{\rm o}$    & ....... & .......  &   81.0243 \\
 107 &       .......	&   $^3$G$_4^{\rm o}$    & ....... & .......  &   81.0256 \\
 108 &       .......	&   $^1$G$_4^{\rm o}$    & ....... & .......  &   81.0301 \\
 109 &        .......	&   $^3$G$_5^{\rm o}$    & ....... & .......  &   81.0317 \\
 110 &  2s$^2$2p$^5$ 5p &   $^3$D$_1$	         & ....... & .......  &   81.0215 \\
 111 &       .......	&   $^3$P$_1$ 	    	 & ....... & .......  &   81.0539 \\
 112 &       .......	&   $^1$D$_2$ 	    	 & ....... & .......  &   81.0729 \\
 113 &       .......	&   $^3$P$_0$	    	 & ....... & .......  &   81.1638 \\
 114 & 2s2p$^6$4s	&   $^3$S$_1$	    	 & ....... & 81.5593  &   81.5934 \\
 115 &  2s$^2$2p$^5$ 5d &   $^3$F$_2^{\rm o}$    & ....... & .......  &   81.6362 \\
 116 &       .......	&   $^3$D$_2^{\rm o}$    & ....... & .......  &   81.6441 \\
 117 &       .......	&   $^1$F$_3^{\rm o}$    & ....... & .......  &   81.6568 \\
 118 &       .......	&   $^3$D$_1^{\rm o}$    & 80.98   & .......  &   81.7289 \\
 119 & 2s2p$^6$4s	&   $^1$S$_0$	         & ....... & 81.7322  &   81.7463 \\
 120 &  2s$^2$2p$^5$ 5f &   $^3$G$_3$ 	    	 & ....... & .......  &   81.9260 \\
 121 &      .......	&   $^3$D$_3$ 	    	 & ....... & .......  &   81.9298 \\
 122 &      .......	&   $^3$G$_4$ 	    	 & ....... & .......  &   81.9307 \\
 123 &       .......	&   $^3$F$_2$	    	 & ....... & .......  &   81.9337 \\
 124 &  2s$^2$2p$^5$ 5g &   $^1$F$_3^{\rm o}$    & ....... & .......  &   81.9537 \\
 125 &      .......	&   $^3$F$_4^{\rm o}$    & ....... & .......  &   81.9551 \\
 126 &       .......	&   $^3$H$_4^{\rm o}$    & ....... & .......  &   81.9574 \\
 127 &       .......	&   $^3$H$_5^{\rm o}$    & ....... & .......  &   81.9592 \\
 128 & 2s2p$^6$4p	&   $^3$P$_0^{\rm o}$    & ....... & 82.5375  &   82.5523 \\
 129 &       .......	&   $^3$P$_1^{\rm o}$    & 82.5244 & 82.5493  &   82.5635 \\
 130 &       .......	&   $^3$P$_2^{\rm o}$    & ....... & 82.6183  &   82.6321 \\
 131 &       .......	&   $^1$P$_1^{\rm o}$    & 82.6702 & 82.6654  &   82.6771 \\
 132 & 2s2p$^6$4d	&   $^3$D$_1$	         & ....... & 83.7747  &   83.7876 \\
 133 &       .......	&   $^3$D$_2$	    	 & ....... & 83.7793  &   83.7923 \\
 134 &       .......	&   $^3$D$_3$	    	 & ....... & 83.7880  &   83.8011 \\
 135 &       .......	&   $^1$D$_2$	    	 & ....... & 83.9205  &   83.9300 \\
 136 & 2s2p$^6$4f	&   $^3$F$_2^{\rm o}$    & ....... & 84.3381  &   84.3522 \\
 137 &       .......	&   $^3$F$_3^{\rm o}$    & ....... & 84.3394  &   84.3541 \\
 138 &       .......	&   $^3$F$_4^{\rm o}$    & ....... & 84.3430  &   84.3581 \\
 139 &       .......	&   $^1$F$_3^{\rm o}$    & ....... & 84.3538  &   84.3681 \\
 140 & 2s2p$^6$5s	&   $^3$S$_1$	         & ....... & .......  &   89.4930 \\
 141 &       .......	&   $^1$S$_0$	         & ....... & .......  &   89.5737 \\
 142 & 2s2p$^6$5p	&   $^3$P$_0^{\rm o}$    & ....... & .......  &   89.9790 \\
 143 &       .......	&   $^3$P$_1^{\rm o}$    & 90.01   & .......  &   89.9847 \\
 144 &        .......	&   $^3$P$_2^{\rm o}$    & ....... & .......  &   90.0191 \\
 \hline
145 &        .......	&   $^1$P$_1^{\rm o}$    & 90.01   & .......  &   90.0413 \\
146 & 2s2p$^6$5d	&   $^3$D$_1$	         & ....... & .......  &   90.5803 \\
 147 &        .......	&   $^3$D$_2$	    	 & ....... & .......  &   90.5827 \\
 148 &        .......	&   $^3$D$_3$	    	 & ....... & .......  &   90.5873 \\
 149 &       .......	&   $^1$D$_2$	    	 & ....... & .......  &   90.6501 \\
 150 &  2s2p$^6$5f	&   $^3$F$_2^{\rm o}$    & ....... & .......  &   90.8618 \\
 151 &        .......	&   $^3$F$_3^{\rm o}$    & ....... & .......  &   90.8625 \\
 152 &       .......	&   $^3$F$_4^{\rm o}$    & ....... & .......  &   90.8642 \\
 153 &       .......	&   $^1$F$_3^{\rm o}$    & ....... & .......  &   90.8719 \\
 154 & 2s2p$^6$5g	&   $^3$G$_3$	         & ....... & .......  &   90.8915 \\
 155 &       .......	&   $^3$G$_4$	    	 & ....... & .......  &   90.8914 \\
 156 &       .......	&   $^3$G$_5$	    	 & ....... & .......  &   90.8931 \\
 157 &       .......	&   $^1$G$_4$	    	 & ....... & .......  &   90.8934 \\
\hline
\end{tabular}
\medskip
$^a$ NIST ({\tt http://www.physics.nist.gov/PhysRefData}). \\ 
$^b$ GRASP results of Aggarwal et al. (2003a) for 89 levels. \\
$^c$ Present results from GRASP for 157 levels.	    
\end{table}