\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}