\begin{table}%t2
   %\centering
\par
    \caption{Analyses of individual atomic lines.
Columns  from left to right are: the names of ion, 
wavelength in \AA, excitation potential ($\chi$) in eV,
log {\it gf} value, reference for log {\it gf},
 log $\epsilon$, the remark
(HFS : the abundances determined by adopting the HFS data 
taken from  Kurucz\ \cite{kurucz}).
The full table is available in 
 electronic form at the CDS.
   \label{tab2}}
       \begin{tabular}{ccccccc}
     \hline \hline 
      \noalign{\smallskip}
\par
Ion  &  $\lambda$~(\AA) & $\chi$~(eV) & log {\it gf} &  Ref. &
 log $\epsilon$ & Remark \\
\hline
\ion{He}{i}   &    \multicolumn{3}{r}{(log $\epsilon$(\ion{He}{i}) $\le$9.0)} upper limit & & & \\
    &  5875.6  &     &          &      & $\le$9.0 &  \\   
    &  5875.60 &  20.96 & $-$1.52 &  NI  &    &  \\
    &  5875.61 &  20.96 & $-$0.34 &  NI  &    &  \\
    &  ...     &  ...   & ...     &  ..  &    &  \\
    &  ...     &  ...   & ...     &  ..  &    &  \\
    &  ...     &  ...   & ...     &  ..  &    &  \\
\hline
\end{tabular}
  \end{table}