\begin{table}%tA.2 \caption{\label{tab:c200omega}Effective solid angles for the 2~$\times$ 2~pixels of ISOPHOT's C200~array for the 5~filters with central wavelengths~$\lambda_{\rm c}$.} %\centering \small \begin{tabular}{lccccc} \hline \hline %&&&&& \\[-8pt] Filter & $\lambda_{\rm c}$ & \multicolumn{4}{c}{$\Omega^{{\rm C200~pixel}~i}_{\rm eff}$}~~~$i$ = 1 $\ldots$ 4 \\ & ($\mu$m) &\multicolumn{4}{c}{(10$^{-7}$ sr)} \\ \hline C\_160 & 170 & 1.782 & 1.940 & 1.895 & 1.781 \\ C\_200 & 200 & 1.810 & 1.996 & 1.988 & 1.878 \\ C\_180 & 180 & 1.792 & 1.960 & 1.927 & 1.815 \\ C\_135 & 150 & 1.759 & 1.898 & 1.825 & 1.711 \\ C\_120 & 120 & 1.722 & 1.843 & 1.708 & 1.587 \\ \hline \end{tabular} \end{table}