\begin{table}%t1
\caption{\label{table3}Line widths of the program stars.}
%\centering
\par
\begin{tabular}{cccccccccc}
\hline\hline\noalign{\smallskip}
 & Ion & Theoretical & Observational  \\
\hline\noalign{\smallskip}
$\zeta$ Ori A & O VII & 610--880 & $500$\tablefootmark{a}, $900\pm200$\tablefootmark{b}   \\
              & Ne IX & 610--880 & $1360$\tablefootmark{a}, $900\pm200$\tablefootmark{b}   \\
              & Mg XI & 480--800 & $900\pm200$\tablefootmark{b}  \\
              &Si XIII & 360--700 & $900\pm200$\tablefootmark{b}   \\
       \hline
$\zeta$ Pup   & O VII & 900--1100 &     \\
              & Ne IX & 780--1050 &      \\
              & Mg XI & 690--990 &    \\
              &Si XIII & 350--700 &    \\
\hline
\end{tabular}
\tablefoot {\tablefoottext{a}{Cohen et~al. (\cite{Cohe06});}
\tablefoottext{b}{Waldron \& Cassinelli (\cite{Wald00});}
\tablefoottext{c}{Kahn et~al. (\cite{Kahn01}).}}
\end{table}