\begin{table}%t2 \caption{\label{tab:results}Estimated fluxes in the 60~\mum\ and 100~\mum\ \iras~bands from the galaxy population of the SDSS-maxBCG~clusters.} %\centering \par \begin{tabular}{lcrr} \hline\hline\noalign{\smallskip} Spectral type & & $F_{60}$ & $F_{100}$ \\ & & (Jy) & (Jy) \\ \hline \it{-Early-type} & & & \\ BCG & & 8.2 & 16.5 \\ E/S0 & & 31.1 & 62.9 \\ (Total early-type) & & (39.3) & (79.4) \\ \\ \it{-Late-type} & & & \\ Sa & & 36.4 & 58.6 \\ Sb & & 259.5 & 621.3 \\ Sc & & 333.9 & 1133.4 \\ Starburst & & 15.4 & 12.1 \\ (Total late-type) & & (645.2) & (1825.4) \\ \\ \hline\noalign{\smallskip} Total & & $\rm 684.5_{-138.0}^{+211.3}$ & $\rm 1904.8_{-429.1}^{+617.1}$ \\[2pt] Observed & & 570.1 $\pm$ $36.1$ & 1359.9 $\pm$ $249.1$ \\ \hline \end{tabular} \tablefoot {We show the total fluxes and contribution of each galaxy population included in our model. The quoted errors on the total values correspond to the differences between our reference model and the conservative and extreme scenarios described in Sect.~\ref{ssec:unc}. The measurements by \cite{giard08} are reported together with their 1$\sigma$~error~bars.} \end{table}