\begin{table}%t2
%\centering
\par
\caption{\label{tbl_limits}Flux limits applied for assigning quality grades.}
\begin{tabular}{ccc}
\hline\hline \noalign{\smallskip}
Band & Lower limit (mJy) & Saturation limit (mJy) \\
\hline
IRAC 3.6~$\mu$m & 40 & 320  \\
IRAC 4.5~$\mu$m & 30 & 330  \\
IRAC 5.8~$\mu$m & 20 & 2300 \\
IRAC 8.0~$\mu$m & 20 & 1200 \\
MIPS  24~$\mu$m & 40 & 220  \\
\hline
\end{tabular}
\end{table}