\begin{table}%t2
\caption{\label{atomic-data}Atomic data.} 
%\centerline
{
\begin{tabular}{l c c c | l c c c}
\hline \hline
Transition & $\lambda$ & $f$-value & Reference & Transition & $\lambda$ & $f$-value & Reference 
\\     
\hline  
\ion{O}{i}$\lambda$950    &  950.8846 & 0.00157100 & 1 & \ion{C}{i}$\lambda$1328   & 1328.8333 & 0.05804000 & 1 \\
\ion{P}{ii}$\lambda$961   &  961.0410 & 0.34890000 & 1 & \ion{C}{ii}$\lambda$1334  & 1334.5323 & 0.12780000 & 1 \\
\ion{P}{ii}$\lambda$963   &  963.8010 & 1.45800000 & 1 & \ion{C}{ii}$^*$$\lambda$1335&1335.7077& 0.11490000 & 1 \\
\ion{N}{i}$\lambda$963.9  &  963.9903 & 0.01837000 & 1 & \ion{Cl}{i}$\lambda$1347  & 1347.2400 & 0.11860000 & 1 \\
\ion{N}{i}$\lambda$964.6  &  964.6256 & 0.01180000 & 1 & \ion{O}{i}$\lambda$1355   & 1355.5977 & 0.00000124 & 1 \\
\ion{N}{i}$\lambda$965.0  &  965.0413 & 0.00580100 & 1 & \ion{Ni}{ii}$\lambda$1370 & 1370.1310 & 0.07690000 & 5 \\
\ion{O}{i}$\lambda$971    &  971.7380 & 0.01480000 & 1 & \ion{Si}{ii}$\lambda$1526 & 1526.7066 & 0.12700000 & 6 \\
\ion{O}{i}$\lambda$976    &  976.4481 & 0.00330000 & 1 & \ion{C}{i}$\lambda$1560   & 1560.3092 & 0.08041000 & 1 \\
\ion{C}{iii}$\lambda$977  &  977.0200 & 0.76200000 & 1 & \ion{Fe}{ii}$\lambda$1608 & 1608.4511 & 0.05800000 & 7 \\
\ion{O}{i}$\lambda$988    &  988.7734 & 0.04318000 & 1 & \ion{Fe}{ii}$\lambda$1611 & 1611.2005 & 0.00136000 & 2 \\
\ion{Si}{ii}$\lambda$989  &  989.8731 & 0.13300000 & 1 & \ion{C}{i}$\lambda$1656   & 1656.9283 & 0.14050000 & 1 \\
\ion{Cl}{i}$\lambda$1002  & 1002.3464 & 0.07046000 & 1 & \ion{Al}{ii}$\lambda$1670 & 1670.7874 & 1.88000000 & 1 \\
\ion{S}{iii}$\lambda$1012 & 1012.5020 & 0.03550000 & 1 & \ion{Ni}{ii}$\lambda$1709 & 1709.6000 & 0.03240000 & 8 \\
\ion{Si}{ii}$\lambda$1020 & 1020.6989 & 0.02828000 & 1 & \ion{Ni}{ii}$\lambda$1741 & 1741.5490 & 0.04270000 & 8 \\
Ly$\beta$                 & 1025.7223 & 0.07912000 & 1 & \ion{Ni}{ii}$\lambda$1751 & 1751.9100 & 0.02770000 & 8 \\
\ion{Cl}{i}$\lambda$1028  & 1028.1740 & 0.02228000 & 1 & \ion{Si}{ii}$\lambda$1808 & 1808.0126 & 0.00218000 & 9 \\
\ion{Cl}{i}$\lambda$1030  & 1030.8845 & 0.02870000 & 1 & \ion{Al}{iii}$\lambda$1854& 1854.7164 & 0.53900000 & 1 \\
\ion{Cl}{i}$\lambda$1031  & 1031.5070 & 0.15060000 & 1 & \ion{Al}{iii}$\lambda$1862& 1862.7895 & 0.26800000 & 1 \\
\ion{C}{ii}$\lambda$1036  & 1036.3367 & 0.12310000 & 1 & \ion{Ti}{ii}$\lambda$1910.60&1910.6000& 0.20200000 & 10 \\
\ion{O}{i}$\lambda$1039   & 1039.2304 & 0.00919700 & 1 & \ion{Ti}{ii}$\lambda$1910.97&1910.9700& 0.09800000 & 10 \\
\ion{Ar}{i}$\lambda$1048  & 1048.2199 & 0.24410000 & 1 & \ion{Zn}{ii}$\lambda$2026 & 2026.1360 & 0.48900000 & 11 \\
\ion{Ar}{i}$\lambda$1066  & 1066.6600 & 0.06652000 & 1 & \ion{Cr}{ii}$\lambda$2026 & 2026.2690 & 0.00471000 & 12 \\
\ion{N}{ii}$\lambda$1083  & 1083.9900 & 0.10310000 & 1 & \ion{Mg}{i}$\lambda$2026  & 2026.4768 & 0.11200000 & 1 \\
\ion{Fe}{iii}$\lambda$1122& 1122.5260 & 0.05390000 & 2 & \ion{Cr}{ii}$\lambda$2056 & 2056.2539 & 0.10500000 & 11 \\
\ion{N}{i}$\lambda$1134.165&1134.1653 & 0.01342000 & 1 & \ion{Cr}{ii}$\lambda$2062 & 2062.2340 & 0.07800000 & 11 \\
\ion{N}{i}$\lambda$1134.415&1134.4149 & 0.02683000 & 1 & \ion{Zn}{ii}$\lambda$2062 & 2062.6640 & 0.25600000 & 11 \\
\ion{N}{i}$\lambda$1134.98& 1134.9803 & 0.04023000 & 1 & \ion{Cr}{ii}$\lambda$2066 & 2066.1610 & 0.05150000 & 11 \\
\ion{P}{ii}$\lambda$1152  & 1152.8180 & 0.23600000 & 1 & \ion{Fe}{ii}$\lambda$2249 & 2249.8768 & 0.00182100 & 13 \\
\ion{C}{i}$\lambda$1157   & 1157.1857 & 0.02440000 & 1 & \ion{Fe}{ii}$\lambda$2260 & 2260.7805 & 0.00244000 & 13 \\
\ion{S}{iii}$\lambda$1190 & 1190.2080 & 0.02217000 & 1 & \ion{Fe}{ii}$\lambda$2344 & 2344.2140 & 0.11400000 & 14 \\
\ion{N}{i}$\lambda$1199.55& 1199.5496 & 0.13280000 & 1 & \ion{Fe}{ii}$\lambda$2374 & 2374.4612 & 0.03130000 & 14 \\
\ion{N}{i}$\lambda$1200.22& 1200.2233 & 0.08849000 & 1 & \ion{Fe}{ii}$\lambda$2382 & 2382.7650 & 0.32000000 & 14 \\
\ion{N}{i}$\lambda$1200.71& 1200.7098 & 0.04423000 & 1 & \ion{Mn}{ii}$\lambda$2576 & 2576.8770 & 0.35080000 & 1 \\
\ion{Si}{iii}$\lambda$1206& 1206.5000 & 1.66000000 & 1 & \ion{Fe}{ii}$\lambda$2586 & 2586.6500 & 0.06910000 & 14 \\
Ly$\alpha$                & 1215.6701 & 0.41640000 & 1 & \ion{Mn}{ii}$\lambda$2594 & 2594.4990 & 0.27100000 & 1 \\
\ion{Mg}{ii}$\lambda$1239 & 1239.9250 & 0.00063000 & 3 & \ion{Fe}{ii}$\lambda$2600 & 2600.1729 & 0.23900000 & 14 \\
\ion{Mg}{ii}$\lambda$1240 & 1240.3950 & 0.00035000 & 3 & \ion{Mn}{ii}$\lambda$2606 & 2606.4620 & 0.19270000 & 1 \\
\ion{S}{ii}$\lambda$1250  & 1250.5840 & 0.00545300 & 1 & \ion{Mg}{ii}$\lambda$2796 & 2796.3520 & 0.61230000 & 15 \\
\ion{S}{ii}$\lambda$1253  & 1253.8110 & 0.01088000 & 1 & \ion{Mg}{ii}$\lambda$2803 & 2803.5310 & 0.30540000 & 15 \\
\ion{S}{ii}$\lambda$1259  & 1259.5190 & 0.01624000 & 1 & \ion{Mg}{i}$\lambda$2852  & 2852.9642 & 1.81000000 & 1 \\
\ion{C}{i}$\lambda$1277   & 1277.2450 & 0.09665000 & 1 & \ion{Ti}{ii}$\lambda$3067 & 3067.2451 & 0.04655000 & 1 \\
\ion{C}{i}$\lambda$1280   & 1280.1353 & 0.02432000 & 1 & \ion{Ti}{ii}$\lambda$3073 & 3073.8770 & 0.10910000 & 1 \\
\ion{Ti}{iii}$\lambda$1298& 1298.6970 & 0.09507000 & 1 & \ion{Ti}{ii}$\lambda$3230 & 3230.1310 & 0.05860000 & 1 \\
\ion{O}{i}$\lambda$1302   & 1302.1685 & 0.04887000 & 1 & \ion{Ti}{ii}$\lambda$3242 & 3242.9290 & 0.18320000 & 1 \\
\ion{Si}{ii}$\lambda$1304 & 1304.3702 & 0.09400000 & 4 & \ion{Ti}{ii}$\lambda$3384 & 3384.7400 & 0.34000000 & 1 \\
\ion{Ni}{ii}$\lambda$1317 & 1317.2170 & 0.07786000 & 5 & & & & \\
\hline
\end{tabular}
}
\par
\smallskip
References: (1)~\citet{morton91}, (2)~\citet{raassen98}, (3)~\citet{theodosiou99}, 
(4)~\citet{tripp96}, (5)~\citet{fedchak99}, (6)~\citet{schectman98}, (7)~\citet{bergeson96}, 
(8)~\citet{fedchak00}, (9)~\citet{bergeson93a}, (10)~\citet{wiese01}, (11)~\citet{bergeson93b}, 
(12)~\citet{verner94}, (13)~\citet{bergeson94}, (14)~\citet{morton00,morton01}, 
(15)~\citet{verner96}.
\end{table}