\begin{table}%t4
%\centering
\par
\caption{\label{table_parairas}Flux data measured with IRAS.}
\begin{tabular}{l|l}
\hline\hline
\multicolumn{2}{c}{IRAS fluxes} \\
\hline
$f_v$(12~$\mu$m) = 0.169~Jy & $f_v$~(60~$\mu$m) = 0.697~Jy \\
$f_v$(25~$\mu$m) = 0.097~Jy & $f_v$(100~$\mu$m) = 2.29~Jy \\
\hline
\end{tabular}
\end{table}