\begin{table}%t2
\caption{\label{tab2}Emission-line measurements.}
%\centerline
 {\small \begin{tabular}{l c c c c c}
\hline\hline\noalign{\smallskip}
\multicolumn{1}{c}{Source}& \multicolumn{1}{c}{$z^a$}&
\multicolumn{1}{c}{Line}& \multicolumn{1}{c}{$\lambda_{{\rm obs}}$}&
\multicolumn{1}{c}{${\rm Flux}^b$}& \multicolumn{1}{c}{${FWHM}^c$}\\
&&& \multicolumn{1}{c}{(\AA)}&
\multicolumn{1}{c}{($10^{-16}~{\rm erg}~{\rm s}^{-1}
\ {\rm cm}^{-2}$)}& \multicolumn{1}{c}{(\AA)}\\
\hline
TN J0121$+$1320&3.517& \ion{N}{v}$\lambda$1240&--&$<$$0.094^d$&--\\
&&\ion{C}{iv}$\lambda$1549&6996.9&$0.263\pm0.005$&34.4\\
&&\ion{He}{ii}$\lambda$1640&7414.3&$0.330\pm0.012$&20.1\\
&&\ion{C}{iii}]$\lambda$1909&8622.2&$0.282\pm0.009$&32.6\\
TN J0205$+$2242&3.507&
\ion{N}{v}$\lambda$1240&--&$<$$0.097^d$&--\\
&&\ion{C}{iv}$\lambda$1549&6981.8&$0.873\pm0.025$&33.0\\
&&\ion{He}{ii}$\lambda$1640&7387.5&$0.519\pm0.046	$&47.3\\
&&\ion{C}{iii}]$\lambda$1909&8586.0&$0.418\pm0.049$&33.4\\
MRC 0316$-$257&3.130&
\ion{N}{v}$\lambda$1240&--&$<$$0.038^{d}$&--\\
&&\ion{C}{iv}$\lambda$1549&6396.8&$0.267\pm0.011$&52.4\\
&&\ion{He}{ii}$\lambda$1640&6771.5&$0.301\pm0.009$&27.9\\
&&\ion{C}{iii}]$\lambda$1909&7874.1&$0.345\pm0.018$&41.1\\
USS 0417$-$181&2.773&
\ion{N}{v}$\lambda$1240&--&$<$$0.103^{d}$&--\\
&&\ion{C}{iv}$\lambda$1549&5845.1&$0.356\pm0.026$&37.5\\
&&\ion{He}{ii}$\lambda$1640&6188.5&$0.492\pm0.019$&28.9\\
&&\ion{C}{iii}]$\lambda$1909&7192.8&$0.553\pm0.047$&30.7\\
TN J0920$-$0712&2.758&
\ion{N}{v}$\lambda$1240&4663.9&$1.015\pm0.014$&31.6\\
&&\ion{C}{iv}$\lambda$1549&5821.4&$3.365\pm0.010$&26.6\\
&&\ion{He}{ii}$\lambda$1640&6161.5&$2.063\pm0.011$&21.4\\
&&\ion{C}{iii}]$\lambda$1909&7163.2&$1.945\pm0.028$&28.3\\
WN J1123$+$3141&3.221&
\ion{N}{v}$\lambda$1240&5238.7&$1.698\pm0.013$&31.7\\
&&\ion{C}{iv}$\lambda$1549&6538.8&$1.570\pm0.011$&24.8\\
&&\ion{He}{ii}$\lambda$1640&6916.9&$0.425\pm0.014$&19.9\\
&&\ion{C}{iii}]$\lambda$1909&8046.6&$0.183\pm0.028$&20.3\\
4C 24.28&2.913&
\ion{N}{v}$\lambda$1240&4853.2&$1.225\pm0.012$&46.4\\
&&\ion{C}{iv}$\lambda$1549&6061.6&$1.235\pm0.020$&50.7\\
&&\ion{He}{ii}$\lambda$1640&6416.3&$0.978\pm0.011$&29.5\\
&&\ion{C}{iii}]$\lambda$1909&7463.8&$0.812\pm0.041$&41.9\\
USS 1545$-$234&2.751&
\ion{N}{v}$\lambda$1240&4642.9&$1.335\pm0.031$&50.1\\
&&\ion{C}{iv}$\lambda$1549&5810.3&$1.343\pm0.021$&24.7\\
&&\ion{He}{ii}$\lambda$1640&6150.7&$0.878\pm0.012$&16.9\\
&&\ion{C}{iii}]$\lambda$1909&7150.9&$0.606\pm0.031$&26.9\\
USS 2202$+$128&2.705&
\ion{N}{v}$\lambda$1240&4595.0&$0.160\pm0.019$&30.4\\
&&\ion{C}{iv}$\lambda$1549&5739.2&$0.704\pm0.012$&22.9\\
&&\ion{He}{ii}$\lambda$1640&6074.3&$0.289\pm0.010$&20.3\\
&&\ion{C}{iii}]$\lambda$1909&7065.5&$0.292\pm0.011$&25.6\\
\hline
\end{tabular}}
\medskip
$^a$~Redshift of the target calculated from the observed \ion{C}{iv} wavelength; $^b$~line fluxes corrected for the Galactic reddening; $^c$~observed $FWHM$ (includes instrumental broadening); $^d$~3$\sigma$ upper-limit flux.
\end{table}