\begin{table} %t7
\caption{\label{table7}Comparison of satellite intensity $Q_{\rm d}$ factors and radiative
branching ratios, $B_{\rm r}$, for Fe~{\sc xviii}--Fe~{\sc xxiv} in terms of
mean ratios.}
%\centering
\par
\begin{tabular}{llrrrrrr}
\hline\hline\noalign{\smallskip}
\multicolumn{1}{c}{Data sets}&\multicolumn{1}{c}{Fe~{\sc xxiv}}&\multicolumn{1}{c}{Fe~{\sc xxiii}}&\multicolumn{1}{c}{Fe~{\sc xxii}}&
\multicolumn{1}{c}{Fe~{\sc xxi}}&
\multicolumn{1}{c}{Fe~{\sc xx}}&\multicolumn{1}{c}{Fe~{\sc xix}}&\multicolumn{1}{c}{Fe~{\sc xviii}}\\
\noalign{\smallskip}\hline\noalign{\smallskip}
$\overline{R}_{Q_d}({\rm HFR4,AST3})$& $2.29\pm 2.75$ & 1.02~$\pm$~0.15 & 0.98~$\pm$~0.11 & 0.81~$\pm$~0.13 & 0.83~$\pm$~0.07  & 1.01~$\pm$~0.03 & 1.02 \\
$\overline{R}_{B_r}({\rm HFR4,AST3})$& $0.93\pm 0.22$ & 1.06~$\pm$~0.13 & 1.07~$\pm$~0.09 & 1.23~$\pm$~0.16 & 1.26~$\pm$~0.07  & 1.06~$\pm$~0.02 & 1.06 \\
\hline
\end{tabular}
\end{table}