\begin{table}%t6
%\centering
\par
\caption{Noise Equivalent Flux Densities of the \pronaosspm\protect
experiment measured in flight.}
\label{tab_noise} 
\begin{tabular}{lcccc}
\hline
\hline
$\lambda$ [$\mic$] & 200 & 260 & 360 & 580 \\
\hline
NEFD on galactic maps & 21 & 21 & 6 & 4 \\
NEFD on SZ measurements & 18 & 16 & 4 & 3 \\
~[MJy/sr/Hz$^{1/2}$] & & & & \\
\hline
\end{tabular} 
\end{table}