\begin{table}%tA.1
\caption{\label{tab:c100omega}Effective solid angles for the 3~$\times$ 3~pixels of ISOPHOT's C100 array for the 6~filters with central wavelengths~$\lambda_{\rm c}$.}
%\centering
\small
\begin{tabular}{lcccc}
\hline \hline
%&&&& \\[-8pt]
Filter  & $\lambda_{\rm c}$ & \multicolumn{3}{c}{$\Omega^{{\rm C100~pixel}~i}_{\rm eff}$}~~~$i$ = 1 $\ldots$ 9 \\
        &    ($\mu$m)       &\multicolumn{3}{c}{(10$^{-7}$ sr)} \\
\hline
C\_50  &  65 &  0.3737 &  0.4005 &  0.3929 \\
       &     &  0.4167 &  0.3963 &  0.4120 \\
       &     &  0.4064 &  0.3690 &  0.3943 \\
C\_60  &  60 &  0.3570 &  0.3925 &  0.3816 \\
       &     &  0.4087 &  0.3897 &  0.4044 \\
       &     &  0.3980 &  0.3608 &  0.3827 \\
C\_70  &  80 &  0.4252 &  0.4253 &  0.4276 \\
       &     &  0.4418 &  0.4177 &  0.4367 \\
       &     &  0.4326 &  0.3940 &  0.4299 \\
C\_100 & 100 &  0.4855 &  0.4517 &  0.4666 \\
       &     &  0.4679 &  0.4396 &  0.4632 \\
       &     &  0.4603 &  0.4194 &  0.4701 \\
C\_105 & 105 &  0.5006 &  0.4588 &  0.4764 \\
       &     &  0.4751 &  0.4454 &  0.4698 \\
       &     &  0.4678 &  0.4260 &  0.4804 \\
C\_90  &  90 &  0.4577 &  0.4403 &  0.4492 \\
       &     &  0.4568 &  0.4304 &  0.4519 \\
       &     &  0.4484 &  0.4086 &  0.4520 \\
\hline
\end{tabular}
\end{table}