\begin{table}%t1
\caption{\label{table1}Atomic data of silicon lines$^*$.}
\par
\small%\centerline
 {
\begin{tabular}{rrrr}
\hline\hline 
\noalign{\smallskip}
$\lambda$~ [\AA] & \multicolumn{1}{c}{Transition} & $\log gf$ & $\log C_6$\\
\hline 
\noalign{\smallskip}
 3905.53 &  \Si{3p}{1}{S}{}{0}--\Si{4s}{1}{P}{o}{1} & --1.10  & --30.917  \\
 4102.93 &  \Si{3p}{1}{S}{}{0}--\Si{4s}{3}{P}{o}{1} & --2.99  & --30.972  \\
 5690.43 &  \Si{4s}{3}{P}{o}{1}--\Si{5p}{3}{P}{}{1}  & --1.74  & --30.294  \\
 5701.11 &  \Si{4s}{3}{P}{o}{1}--\Si{5p}{3}{P}{}{0}  & --1.96  & --30.294  \\
 5772.15 &  \Si{4s}{1}{P}{o}{1}--\Si{5p}{1}{S}{}{0}  & --1.62  & --30.287  \\
 6142.49 &  \Si{3p^3}{3}{D}{o}{3}--\Si{5f}{3}{D}{}{3}  & --1.48  & --29.869  \\
 6145.05 &  \Si{3p^3}{3}{D}{o}{2}--\Si{5f}{3}{G}{}{3}  & --1.39  & --29.869  \\
 6155.14 &  \Si{3p^3}{3}{D}{o}{3}--\Si{5f}{3}{G}{}{4}  & --0.78  & --29.869  \\
 6237.32 &  \Si{3p^3}{3}{D}{o}{1}--\Si{5f}{3}{F}{}{2}  & --1.08  & --29.869  \\
 6243.82 &  \Si{3p^3}{3}{D}{o}{2}--\Si{5f}{3}{F}{}{3}  & --1.29  & --29.869  \\
 6244.47 &  \Si{3p^3}{3}{D}{o}{2}--\Si{5f}{1}{D}{}{2}  & --1.29  & --29.869  \\[2pt]
\hline
\noalign{\smallskip}
 6347.10 &  \Si{4s}{2}{S}{}{1/2}--\Si{4p}{2}{P}{o}{3/2}&  0.26  & --30.200  \\
 6371.36 &  \Si{4s}{2}{S}{}{1/2}--\Si{4p}{2}{P}{o}{1/2}& --0.06  & --30.200  \\[2pt]
\hline
\end{tabular}}
\medskip
$^*$ $\log gf$ values have been determined from solar spectrum fits, and damping constants log~$C_6$ for \ion{Si}{i}~lines are computed according to the Anstee \& \mbox{O'Mara} (\cite{AO91}, \cite{AO95}) interpolation tables.
\end{table}