\begin{table}%t1
%\centering
\par
\caption
{Characteristics of the three types of experiments considered. 
We run our extraction method on
100 sky patches of $3 \times 3$ square degrees (for AMI and SPT) and 
$12 \times 12$ square degrees (for Planck).  
\label{tab:experiments}}
\begin{tabular}{ccccc}
\hline\hline
  Type & Frequencies & Res. {\it FWHM} & Inst. noise          & Area \\
    \  &    [GHz]    &   [arcmin]      & [$\mu {\rm K/beam}$] & [${\rm deg}^{2}$] \\ \hline  
   AMI &      15     &       1.5       &         8            &      10            \\  
   SPT &     150     &       1         &      10              &      \              \\ 
    \  &     220     &       0.7       &      60              &     4000            \\
    \  &     275     &       0.6       &      100             &       \             \\  
   Planck &  143     &       7.1       &       6              &       \             \\
     \    &  217     &       5         &       13             &     41253           \\
     \    &  353     &       5         &       40             &       \\
     \hline
\end{tabular}
\end{table}