\begin{table}%t5
\caption{HAWK-I limiting magnitudes and saturation limits ($S/N=5$ for 1~h on source, 0.8\arcsec\ seeing, 1.2 airmass).} 
\label{tab:limmag}     
\small%\centering
\par
\begin{tabular}{l c c c}        
\hline\hline         
Filter & Limiting mag & Limiting mag & Saturation limit \\
 & [Vega] & [AB] & (in 2 s) \\
\hline
$J$ & 23.9 & 24.8 & 11.0 \\
$H$ & 22.5 & 23.9  & 11.3 \\
$K_{\rm s}$ & 22.3 & 24.2 & 10.2\\
\hline 
\end{tabular}
\end{table}