\begin{table}%T2
 \caption{The observed flux ratios of 358, 374, 383, 404, 423, 438 and 589
 to the 518~nm lines and measured line positions at $t=0.165$~s.}
 \label{flux}
 %\centering
\par
  \begin{tabular}{c cccccccc}
   \hline \hline
   \noalign{\smallskip}
Line position   & 358& 374 & 383 & 404 & 423& 438&518 & 589\\
\hline
Flux ratio to the 518~nm  & $3.3\pm0.6$  & $3.4\pm0.3$ & $4.4\pm0.4$ &
   $0.44\pm0.04$&$0.58\pm0.05$&$0.47\pm 0.03$& $1.0\pm0.1$ &$1.7\pm0.3$\\
\hline
  \end{tabular}
\end{table}