\begin{table}%t1
%\centering
\par
\caption{\label{requirements}Summary of optical requirements for each spectral band.}
\begin{tabular}{cccc}
\hline\hline
\noalign{\smallskip}
Band & Target & Spillover & Edge taper\\
central freq. & resolution & (\%) & (dB)\\
\hline
100~GHz & 9.2~arcmin & 1 (0.5)   & $-$25 ($-$30) at 25~deg \\
143~GHz & 7.1~arcmin & 0.7 (0.5) & $-$28 ($-$30) at 27~deg \\
217~GHz & 5~arcmin   & 0.5 (0.3) & $-$30 ($-$32) at 26~deg \\
353~GHz & 5~arcmin   & 0.5 (0.3) & $-$30 ($-$32) at 26~deg \\
545~GHz & 5~arcmin   & 0.5 (0.3) & $-$30 ($-$32) at 26~deg \\ 
857~GHz & 5~arcmin   & 0.5 (0.3) & $-$30 ($-$32) at 27~deg \\
\hline
\end{tabular}
\tablefoot{Numbers in parentheses refer to the goal we were aiming at.}
\end{table}