\begin{table}%t2
%\centering
\small
\caption{Atomic line list in the Li region 6703--6717~\AA: element,
wavelength, excitation
potential, $\log gf$ (from VALD data
base and adopted here), equivalent widths in S1242 for each
identified line.}\label{t2}
%\centering
\par
\begin{tabular}{cccccc}
\hline \hline
Element & $\lambda$(\AA) & $\chi_{\rm ex}$ & $\log gf$ & $\log gf$ & $EW_
\lambda$ \\
& & (eV) & VALD & This work & (m\AA) \\
\hline
Fe I & 6703.57 & 2.758 & $-$3.160 & $-$3.080 & 35.9 \\
& 6704.48 & 4.217 & $-$2.660 & $-$2.680 & 6.5 \\
& 6705.10 & 4.607 & $-$1.496 & $-$1.138 & 47.2 \\
& 6707.42 & 4.610 & & $-$2.265 & 4.1 \\
& 6710.32 & 1.485 & $-$4.880 & $-$4.880 & 12.7 \\
& 6713.05 & 4.607 & $-$1.448 & $-$1.550 & 25.3 \\
& 6713.20 & 4.143 & $-$2.560 & $-$2.500 & 8.7 \\
& 6713.74 & 4.795 & $-$1.600 & $-$1.480 & 17.2 \\
& 6715.38 & 4.607 & $-$1.640 & $-$1.580 & 24.3 \\
& 6716.23 & 4.580 & $-$1.920 & $-$1.890 & 15.3 \\
Li I & 6707.78 & 0.000 & $-$0.431 & $-$0.431 & 98.7 \\
\hline
\end{tabular}
\end{table}