\begin{table*}%t1
\caption{Comparison of coordinates, and number of positional matches, before and after a correction was applied.}\label{tab-astro}
%\centering
$$
\begin{tabular}{lr@{$~\pm~$}lr@{$~\pm~$}lrr@{$~\pm~$}lr@{$~\pm~$}lrl} 
\hline
\hline
OGLE- ({\it other}) & \multicolumn{2}{c}{$\Delta$RA $\cos (\delta)$} & \multicolumn{2}{c}{$\Delta \delta$} & $N$ &  \multicolumn{2}{c}{$\Delta$RA $\cos (\delta)$} & 
\multicolumn{2}{c}{$\Delta \delta$} & $N$ & remark \\ \hline 
MACHO               &   0.52 & 
0.61  &   0.21 & 
 0.63 &  647 &  0.06 &
 0.63  &   0.05 &
  0.64 &  662 & mainly "blue objects'' and EBs \\
MACHO               &   0.52 &
 1.28  &   0.14 &  
1.23 & 1427 &  0.11 & 
1.31  & $-$0.02&
  1.22 & 1436 & LPVs; Wood et~al. (\cite{Woo99}) \\
\par
MOA                 & $-$0.01 &
 0.32  &   0.008 &
 0.55 &  123 & \multicolumn{2}{c}{$-$}  &    \multicolumn{2}{c}{$-$} &  {$-$} & EBs; no correction applied \\
MOA                 &   0.78 & 
1.04  &   0.002 &
 0.94 &  150 &  0.11 & 
0.97  &   0.03 & 
 0.94 &  150 &  LPVs; Noda et~al. (\cite{Nod02}) \\
\par
EROS                &   0.41 &
 0.50  & $-$0.21&
  0.48 &  368 &  0.06 &
 0.58  &   0.01 &
  0.49 &  381 & cepheids and EBs \\
AGAPEROS            &   0.31 &
 1.09  &   0.37 & 
 1.00 &  503 &  0.05 & 
1.07  &   0.05 &
  0.95 &  501 & LPVs; Letzelter et~al. (2002) \\
\par
DENIS               & $-$0.10& 
1.33  &   0.02 & 
 1.37 &  313 & \multicolumn{2}{c}{$-$}  &    \multicolumn{2}{c}{$-$}
 &  {$-$} & LPVs; Cioni et~al. (\cite{Cio03}); no correction applied \\
\par
HUGHES              &   2.19 &
 1.50  &   0.85 &  
1.41 &  433 &  0.22 & 
1.34  & $-$0.01& 
 1.34 &  436 & LPVs \\
KDM                 &   0.55 & 
1.12  & $-0.23$&  
0.90 & 1024 &  0.06 & 
1.11  & $-$0.03& 
 0.90 & 1028 & carbon stars \\
RAW                 & $-$1.06&
 0.80  &   1.03 &
  0.71 &  873 &  0.04 & 
0.76  &   0.04 &
  0.70 &  874 & carbon stars \\
BMB                 &   0.42 &
 0.90  &   0.00 &
  0.66 &  381 &  0.05 &
 0.96  & $-$0.01 &
  0.68 &  385 & AGB stars \\
\hline
\end{tabular}$$
\end{table*}