\begin{table} %T1
\caption{\label{tab:log_obs}Log of the \emph{XMM-Newton} observation.}
%\centerline
{
\begin{tabular}{lcccc}
 \hline\hline
Instrument & Exposure        & Mode of data & Filter &  Count-rate$^{a}$  \\ 
           &   time (ks) & acquisition  &        & (s$^{-1}$)\\ \hline
pn         &   32.2          & Full Frame   & thick  &  1.45       \\
MOS1       &   37.9          & Large Window & thick  &  0.90       \\
MOS2~      &   37.9          & Large Window & thick  &  0.92       \\
RGS1       &   39.6          & Spectroscopy &  --    &  0.11       \\
RGS2       &   38.5          & Spectroscopy &  --    &  0.16       \\ 
\hline
\end{tabular}}
\smallskip
 $^a$ In the $1.2{-}62$~\AA\ ($0.2{-}10$~keV) band for pn and the MOS and in  
 the~$5{-}38$~\AA\ ($0.32{-}2.5$~keV) band for the~RGS.
\end{table}