\begin{table}%t1
\caption{\label{tabledensities}Properties of the HLS Bullet cluster catalogs.}\vspace*{-2mm}
\par
%\centering
\par
\begin{tabular}{l c c c c c}
\hline \hline \noalign{\smallskip}
& \multicolumn{1}{c}{PACS100} & \multicolumn{1}{c}{PACS160} & \multicolumn{1}{c}{SPIRE250} & \multicolumn{1}{c}{SPIRE350} & \multicolumn{1}{c}{SPIRE500} \\
\hline
$A$\tablefootmark{a}                   & 28.5            &   29.7          & 434             &  438      &  416                 \\
$S$($\lambda$)\tablefootmark{b}        & 5.5 (3.0)       & 10  (6)         & 12 (7)          &  17 (10)  &  18 (11)             \\
$D$\tablefootmark{c}                   & 2.0 (5.0)       & 2.0 (4.2)       & 1.1 (1.8)       & 0.5 (1.2) & 0.2 (0.6)            \\
$M$\tablefootmark{d}                   & 12\% (24)       & 19\% (24)       & 48\% (24)       & 42\% (250)       & 48\% (350)      \\
\hline
\end{tabular}\vspace*{-2mm}
\tablefoot {\tablefoottext{a}{Surveyed area in arcmin$^2$;}
\tablefoottext{b}{5$\sigma$ (3$\sigma$) flux density detection levels$^1$ in~mJy;}
\tablefoottext{c}{source densities for each significance level in sources/arcmin$^{2}$;}
\tablefoottext{d}{fraction of merged sources and wavelength (in~$\mu$m) used to obtain position priors.}}
\vspace*{-3mm}
\end{table}