\begin{table}%T2 
\caption{\label{tab:lines}Wavelengths and oscillator strengths of the lines analyzed.}
\small%\centerline
{
\begin{tabular}{p{0.2\linewidth} l l l l p{0.2\linewidth}}
\hline\hline\noalign{\smallskip}
Species & $\lambda_{\rm rest}$ (\AA) & $\lambda_{\rm obs}$ (\AA) & $\log(gf)$$^a$   & $N_{\rm sat}$ (cm$^{-2}$)$^b$ & Comment \\
\noalign{\smallskip}\hline  
H{~\sc i}~     & 1025.722                        & 1029.389                      &  0.0527 &      ...                  & Lyman $\beta$ \\
H{~\sc i}~    &  937.803                           & 941.080                       & 0.0026  &     ...                   & Lyman   $\epsilon$  \\
\hline\noalign{\smallskip}
N{~\sc i}~     &  953.415                         & 956.797                         & 0.0132 &    $5\times10^{14}$ &                      \\  
N{~\sc i}~     &  953.655                         & 957.031                         & 0.0250    &   $3\times10^{14}$  &                      \\  
N{~\sc i}~     &  953.970                         & 957.343                         & 0.0350    &     $2\times10^{14}$  &                   \\   
N{~\sc i}~    & 963.990                          & 967.040                          & 0.0148  &  $4\times10^{14}$   &  Blended with P{~\sc ii}~$\lambda963.8$                     \\  
N{~\sc i}~   &  964.626                           &  968.029                       & 0.0094  &  $7\times10^{14}$  &   Barely detected                  \\  
N{~\sc i}~    &  965.041                         & 968.458                         & 0.0040  & $2\times10^{15}$   & Not detected \\  
N{~\sc i}~    & 1134.165                         & 1138.069                      & 0.0134 & $4\times10^{14}$   &   Barely detected     \\  
N{~\sc i}~    &  1134.415                        & 1138.303                     & 0.0268  &  $2\times10^{14}$   &                       \\  
N{~\sc i}~    &  1134.980                        & 1138.888                     & 0.0402   & $8\times10^{13}$   &                        \\ 
\hline\noalign{\smallskip}
O{~\sc i}~    & 988.773                           & 992.209                         & 0.0465  & $1\times10^{14}$  & Saturated   \\  
O{~\sc i}~   &  1039.230                         & 1042.961                       & 0.0092  & $5\times10^{14}$  &           \\   
\hline\noalign{\smallskip}
Si{~\sc ii}~  &  1020.699                         &  1024.358                     & 0.0164   & $2\times10^{14}$   &                        \\ 
\hline\noalign{\smallskip}
P{~\sc ii}~   &  963.800                           & 967.249                         & 1.4600 &$2\times10^{12}$  &    Blended with N{~\sc i}~ $\lambda963.99$    \\  
P{~\sc ii}~    & 1152.818                        &   1156.906                     & 0.2450 &   $2\times10^{13}$ &   Not detected  \\  
\hline\noalign{\smallskip}
Ar{~\sc i}~   &  1048.220                       & 1051.957                       & 0.2630   & $9\times10^{12}$  &                          \\  
\hline\noalign{\smallskip}
Fe{~\sc ii}~  & 1144.938                        & 1148.976                      & 0.1060  &  $3\times10^{13}$  &      \\ 
\hline
\end{tabular}}
\smallskip
$^a$  Atomic data are from Morton et~al.\ (\cite{Morton2003}), except for Fe{~\sc ii}~$\lambda$1144.938 for which we take Howk et~al.\ (\cite{Howk2000}).\\
$^b$  $N_{\rm sat}$ is the maximum column density before saturation of a central component with $b=2$\kms\ (Sect.~\ref{sec:multi}). 
\end{table}