\begin{table}%t1
\caption{\label{tab:tab1}Central wavelength, transition levels, relative intensities and Lande factors of the spectral lines of the multiplet 816 of the neutral iron.}
%\centering
\par
\begin{tabular}{ccccccc }
\hline\hline\noalign{\smallskip}
Line & $\lambda_{\rm c}$ & Upper & Lower   &  Relative  & Lande \\ 
number  & (\AA) & level & level & intensity & factor \\
\hline 
1 & 6141.73 & 5D2 & 5P3 & 1    & 1.81 \\
2 & 6232.66 & 5D1 & 5P2 & 2.25 & 1.99 \\
3 & 6246.33 & 5D3 & 5P3 & 7    & 1.58 \\
4 & 6301.51 & 5D3 & 5P2 & 8.75 & 1.66 \\
5 & 6302.50 & 5D0 & 5P1 & 3    & 2.48 \\
6 & 6336.83 & 5D1 & 5P1 & 6.75 & 2.00 \\
7 & 6400.01 & 5D4 & 5P3 & 27   & 1.27 \\
8 & 6408.03 & 5D2 & 5P1 & 5.25 & 1.01 \\
9 & 6411.65 & 5D3 & 5P2 & 14   & 1.18 \\
\hline
\end{tabular}
\tablefoot{The relative intensities are taken from Allen (2000).}
\end{table}