\begin{table}%t2
\caption{Redshift, column density and Doppler parameter
of the components fitting the \SiII\ velocity profile.}
\label{silicon}
%\centering
\par
\begin{tabular}{rccr}
\hline
\hline
$1\ldots$ &4.381440 & $12.74 \pm 0.04$  & $5.3 \pm 0.2$  \\
$2\ldots$ &4.381969 & $12.73 \pm 0.04$  & $7.0 \pm 0.2$  \\
$3\ldots$ &4.382644 & $13.44 \pm 0.05$  & $3.4 \pm 0.7$  \\
$4\ldots$ &4.382805 & $13.55 \pm 0.06$  & $3.5 \pm 0.7$  \\
$5\ldots$ &4.382973 & $13.19 \pm 0.19$  & $3.5 \pm 0.7$	 \\
$6\ldots$ &4.383096 & $13.66 \pm 0.09$  & $9 \pm 1.0$      \\
$7\ldots$ &4.383587 & $13.22 \pm 0.12$  & $7 \pm 1.0$   \\
$8\ldots$ &4.383901 & $13.68 \pm 0.06$  & $14 \pm 2.0$  \\
$9\ldots$ &4.384376 & $13.50 \pm 0.03$  & $9.3 \pm 0.7$  \\
$10\ldots$ &4.384813 & $12.57 \pm 0.06$  & $4.4 \pm 0.3$  \\
$11\ldots$ &4.385181 & $13.06 \pm 0.02$  & $6.2 \pm 0.1$\\
\hline
\end{tabular}
\end{table}