\begin{table}%t2
%\centering
\par
\caption{Some characteristics of the diffuse component separation methods used in the challenge.}  \label{tab:methods}
\begin{tabular}{cccc}
\hline \hline
 &Channels used      & Components modelled &   Resources and runtime \\
\hline
COMMANDER & {\sc wmap}, {\sc planck} 30--353~GHz, & CMB, dust, sync, FF, mono-,dipoles  & 1000~CPU~h, 2~day\\
%\hline
CCA & {\sc planck}, Haslam 408~MHz & CMB, dust, sync, FF & 70 CPU~h, 1.5~day\\
%\hline
GMCA & {\sc planck}, Haslam 408~MHz & CMB, SZ, sync., FF & 1200 CPU~h, 6 day \\
%\hline
FastICA & 143--353~GHz & Two components (CMB and dust)  & 21 CPU~min, 20~s\\
%\hline
FastMEM  & {\sc planck}  & CMB, SZ, dust, sync, FF  & 256 CPU~h, 8~h\\
SEVEM  & {\sc planck}  & CMB   & 30 CPU~h, 30~h\\
SMICA  & {\sc planck}, {\sc wmap}  & CMB, SZ, dust, total galaxy & 8 CPU~h, 4~h\\
 WI-FIT & 70--217 GHz     & CMB        & 400 CPU~h, 8~h\\
    \hline
  \end{tabular}
\end{table}