\begin{table}%t3
 \caption{Expected effect at 857~GHz of an~isotropic, random pointing error on  the \Ef~sensitivity as a~function of~$\PErrSgm$. Calculations are for a~cut of~1~MJy/sr on the Galaxy and~$1^\circ$ and $2^\circ$~patches.}\label{Tab:Ef:Random:Pointing}
 %\centering
\small
 \begin{tabular}{ccc}
 \hline
 \hline
  $\sigma_{{\rm p}}$ & 
       \multicolumn{2}{c}{$\Delta E_{{f}}$}  \\
  arcmin & $1^\circ$ Patches &   $2^\circ$ Patches \\
 \hline
\noalign{\smallskip}
 0.5 &  $(6.3 \pm 18.4)\times10^{-5}$ & $(1.0 \pm 2.09)\times10^{-4}$ \\
 1.0 &  $(8.7 \pm 27.9)\times10^{-5}$ & $(0.9 \pm 3.13)\times10^{-4}$ \\
 1.5 &  $(5.2 \pm 4.10)\times10^{-5}$ & $(1.7 \pm 4.50)\times10^{-4}$ \\
 \hline
 \end{tabular}
  \end{table}