\begin{table}%t3
\caption{\label{tab:ISMlines}Interstellar absorption lines.}
%\centering
\small
\begin{tabular}{l c c c c c c  c  c  c  c  c  c} 
\hline\hline \noalign{\smallskip}             
Ion & $\lambda_{\rm lab}$\tablefootmark{a} & $f$ & $z_{\rm abs}$\tablefootmark{b} & \phantom{eee}$\Delta\upsilon$\tablefootmark{c} & $W_0$\tablefootmark{d} & $\sigma (W_0)$\tablefootmark{d} & 
\multicolumn{1}{c}{$\log N_{\rm aod}$} & \multicolumn{1}{c}{$\sigma (\log N_{\rm aod})$} & \multicolumn{1}{c}{$\log N_{\rm adopt}$\tablefootmark{e}} & \multicolumn{1}{c}{$\sigma (\log N_{\rm adopt})$\tablefootmark{e}} & 
\multicolumn{1}{c}{[X/H]\tablefootmark{f}} & \multicolumn{1}{c}{$\sigma$([X/H])\tablefootmark{f}} \\
& (\AA) & & & \phantom{eee}(km~s$^{-1}$) & (\AA) &(\AA) & \multicolumn{1}{c}{(cm$^{-2}$)} & \multicolumn{1}{c}{(cm$^{-2}$)} & \multicolumn{1}{c}{(cm$^{-2}$)} & \multicolumn{1}{c}{(cm$^{-2}$)} & & \\
\hline
\ion{H}{i}       & 1215.6700 & 0.41640 & 	&                   &	   &      &                 &      &  20.57 & 0.10 &        & \\
\ion{O}{i}       & 1302.1685 & 0.04887 & B      & $~-985$ to $+315$ & 3.62 & 0.41 & $>$$15.99^{\dag}$ &      & $>$15.99 &	   & $>$--1.24 & \\
\ion{N}{v}       & 1238.8210 & 0.15700 & 2.7334 & $~-260$ to $+50~$ & 0.24 & 0.03 &  14.13          & 0.09 &  14.23 & 0.10 &        & \\
	         & 1242.8040 & 0.07823 & 2.7335 & $~-260$ to $+50~$ & 0.21 & 0.02 &  14.32          & 0.10 &	    &	   &        & \\
\ion{C}{ii}      & 1334.5323 & 0.12780 & 2.7321 & $~-985$ to $+315$ & 4.04 & 1.73 & $>$$15.84^{\dag}$ &	   & $>$15.84 &	   & $>$--1.12 & \\
\ion{C}{iv}      & 1548.1949 & 0.19080 & B      & $-1290$ to $+320$ & 5.65 & 2.39 & $>$$15.60^{\dag}$ &	   & $>$15.93 &	   &        & \\
	         & 1550.7700 & 0.09522 & B      & $-1290$ to $+320$ & 5.84 & 2.46 & $>$$15.93^{\dag}$ &	   &	    &      &        & \\
\ion{Si}{ii}     & 1260.4221 & 1.00700 & 2.7319 & $~-845$ to $+315$ & 3.23 & 0.56 & $>$$14.72^{\dag}$ &	   &  15.89 & 0.10 &  --0.19 & 0.14 \\
	         & 1304.3702 & 0.09400 & B      & $~-795$ to $+225$ & 2.73 & 0.32 & $>$$15.60^{\dag}$ &	   &	    &      &        & \\
	         & 1526.7065 & 0.12700 & 2.7319 & $~-795$ to $+225$ & 3.48 & 1.81 & $>$$15.55^{\dag}$ &	   &	    &      &        & \\
	         & 1808.0129 & 0.00218 & 2.7324 & $~-450$ to $+15~$ & 0.43 & 0.05 &  15.89          & 0.10 &	    &	   &        & \\
\ion{Si}{ii}$^*$ & 1264.7377 & 0.90340 & 2.7326 & $~-450$ to $+15~$ & 0.48 & 0.06 &  13.67          & 0.10 &  13.62 & 0.10 &        & \\
	         & 1309.2758 & 0.14680 & 2.7329 & $~-340$ to $+15~$ & 0.07 & 0.01 &  13.56          & 0.10 &	    &	   &        & \\
	         & 1533.4312 & 0.22930 & Noisy  & $~-450$ to $+95~$ & 0.25 & 0.03 & $<$13.78          &      & 	    &      &        & \\
\ion{Si}{iv}     & 1393.7550 & 0.52800 & 2.7320 & $-1055$ to $+445$ & 3.61 & 0.73 & $>$$15.06^{\dag}$ &	   & $>$15.06 &      &        & \\
	         & 1402.7700 & 0.26200 & 2.7322 & $-1055$ to $+445$ & 2.79 & 0.37 & $>$$15.06^{\dag}$ &	   &	    &      &        & \\
\ion{S}{ii}      & 1250.5840 & 0.00545 & 2.7333 & $~-340$ to $+15~$ & 0.24 & 0.03 &  15.56          & 0.10 &  15.43 & 0.10 &  --0.28 & 0.14 \\ 
	         & 1253.8110 & 0.01088 & 2.7328 & $~-340$ to $+15~$ & 0.24 & 0.03 &  15.26          & 0.10 &	    &	   &        & \\
\ion{Al}{ii}     & 1670.7874 & 1.88000 & 2.7317 & $~-795$ to $+225$ & 3.19 & 0.45 & $>$$14.12^{\dag}$ &      & $>$14.12 &	   & $>$--0.82 & \\
\ion{Al}{iii}    & 1854.7164 & 0.53900 & 2.7323 & $~-415$ to $+30~$ & 1.81 & 0.40 &  14.36          & 0.22 &  14.38 & 0.18 &        & \\
	         & 1862.7896 & 0.26800 & 2.7326 & $~-415$ to $+30~$ & 1.19 & 0.18 &  14.39          & 0.15 &	    &	   &        & \\
\ion{Fe}{ii}     & 1608.4510 & 0.05850 & 2.7313 & $~-795$ to $+150$ & 1.28 & 0.13 &  15.11          & 0.09 &  15.14 & 0.11 &  --0.88 & 0.15 \\
	         & 2344.2129 & 0.11420 & 2.7317 & $~-795$ to $+150$ & 3.16 & 0.41 & $>$$14.97^{\dag}$ &      & 	    &	   &        & \\
	         & 2374.4612 & 0.03131 & 2.7326 & $~-450$ to $+15~$ & 1.46 & 0.21 &  15.17          & 0.13 & 	    &	   &        & \\
	         & 2382.7649 & 0.32000 & 2.7320 & $~-795$ to $+225$ & 4.16 & 1.25 & $>$$14.76^{\dag}$ &      & 	    &	   &        & \\
\ion{Zn}{ii}     & 2026.1360 & 0.48900 & 2.7331 & $~-340$ to $+15~$ & 0.47 & 0.05 &  13.48          & 0.09 & $<$13.48 &      & $<$+0.31 & \\
	         & 2062.6641 & 0.25600 & B      & $~-340$ to $+15~$ & 0.29 & 0.03 & $<$13.53          &	   &	    &      &        & \\
\ion{Cr}{ii}     & 2056.2539 & 0.10500 & ND     & $~-340$ to $+15~$ & 0.48 & 0.05 & $<$14.16          &	   & $<$14.09 &      & $<$--0.12 & \\ 
	         & 2062.2339 & 0.07800 & ND     & $~-340$ to $+15~$ & 0.32 & 0.03 & $<$14.09          &	   &        &      &        & \\
\ion{Ni}{ii}     & 1317.2170 & 0.05700 & ND     & $~-340$ to $+15~$ & 0.16 & 0.02 & $<$14.32          &	   & $<$14.32 &      & $<$--0.48 & \\
	         & 1741.5531 & 0.04270 & ND     & $~-340$ to $+15~$ & 0.41 & 0.05 & $<$14.62          &	   &        &      &        & \\
\\
\hline
\end{tabular}
\tablefoot {``B'' indicates cases where a reliable value $z_{\rm abs}$  could not be measured because of strong blending. ``ND''~refers to cases where the line is not detected and only an upper limit to the ion column  density could be derived. $^{\dag}$~Refers to saturated lines where only a lower limit to the ion column density could be determined. \\
\tablefoottext{a}{Vacuum wavelengths;}
\tablefoottext{b}{vacuum heliocentric and values measured from the centroid wavelength 
of the interstellar absorption lines;}
\tablefoottext{c}{velocity range for equivalent width and column density measurements  relative to $z_{\rm sys} = 2.7350$;}
\tablefoottext{d}{rest-frame equivalent width and $1\sigma$~error;}
\tablefoottext{e}{adopted ion column density and $1\sigma$~error;}
\tablefoottext{f}{elemental abundance [X/H]~= $\log {\rm (X/H)} -  \log {\rm (X/H)}_{\odot}$ and $1\sigma$~error as derived from the adopted ion column density relative to the solar meteoritic abundance scale from \citet{grevesse07}.}}
\end{table}