\begin{table}%t1
\caption{\label{table:offset_table}PACS pixel and SPIRE beam areas and offsets (MJy/sr) used in this paper.}             
\small%\centering
\par
%\centering
\par
\begin{tabular}{l | l l | l l l}
\hline\hline %\noalign{\smallskip} 
  &    &    &     &   &  \\[-3mm]
                   & \multicolumn{2}{|c|}{PACS} & \multicolumn{3}{|c}{SPIRE}\\
$\lambda$ ($\mic$)  & 70    & 160    & 250    & 350   & 500 \\
\hline    
  &    &    &     &   &  \\[-3mm]
%\noalign{\smallskip}              
area ($''^2$)       & 10.24 & 20.25  & 395.0  & 740.0 & 1571.0 \\
  &    &    &     &   &  \\[-3mm]
%\noalign{\smallskip}              
$l=30$\degr          & 688.0 & 1982.3 & 1042.0 & 462.2 & 170.9 \\
$l=59$\degr          & 60.9  & 395.7  & 292.0  & 150.9 & 61.4 \\
\hline          
\end{tabular}
\end{table}