\begin{table}%ta1
%\centering
\par
\caption{\label{table:data2}The Bullet cluster ancillary data.} 
\begin{tabular}{llc}
\hline\hline \noalign{\smallskip}
Facilities     & Bands & Ref. \\
\hline
\multicolumn{3}{c}{Imaging} \\
%\hline
Magellan/IMACS & $B, V, R$   & 1 \\
HST/ACS        & $F606W$, $F775W$, $F850LP$         & 2 \\
VLT/HAWK-I     & $Y$, $J$                       & 3 \\
{\it Spitzer}/IRAC   & 3.6, 4.5, 5.8, \& 8.0~$\mu$m & 2 \\
{\it Spitzer}/MIPS   & 24~$\mu$m                    & 2 \\
LABLOCA        & 870~$\mu$m                   & 4 \\
AzTEC          & 1.1~mm                       & 5 \\
\hline
\multicolumn{3}{c}{Spectroscopy}\\
%\hline
Magellan/IMACS & optical (856~targets)        & 6 \\
Blanco/Hydra   & optical (202~targets)        & 7 \\
VLT FORS       & optical (14~targets)         & 8 \\
\hline
\end{tabular}
\tablebib{(1)~\citet{Clowe06}; (2)~\citet{Gonzalez09};
  (3)~\mbox{J.-G.}~Cuby, priv.~comm.; (4)~\citet{Johansson10};
  (5)~\citet{Wilson08}; (6) Chung et al. (2010) (7) D.~Fadda,
    priv.~comm.; (8) J.~Richard, priv.~comm.  }\vspace{-5mm}
\end{table}