\begin{table}%tA.1
\caption{\label{pilup-table}Pile-up analysis of the \chandra\ observations.}
\newcommand{\T}{\rule{0pt}{2.6ex}}
\newcommand{\B}{\rule[-1.2ex]{0pt}{0pt}}
%\centering
\par
\begin{tabular}{c c c c c c c c}
\hline
\hline \noalign{\smallskip}
OBS. ID \T \B & Exposure & Pile-up \% & $r_{\rm in}$ & $r_{\rm out}$ & Net counts & Extracted PSF fraction & Corrected count rate\\
              &  ks      &           &  Pixels  & Pixels    &            &                        & Counts~s$^{-1}$ \\
\hline
398\tablefootmark{a}  \T & 1.4 &11.5 & 1.45  & 2.42 & 87 & 0.2 & 0.26 \\
4741 \T & 37 &20 & 1.90  & 3.88 & 1112 &  0.1  & 0.25 \\
7077 \T & 110.5 &7.6 & 1.60  & 4.17 & 2446 & 0.15 & 0.12 \\
7078 \T & 51 &14.5 & 1.98  & 3.24 & 1272 & 0.1 & 0.19 \\
7079 \T & 105 &13.2 & 2.00  & 3.30 & 2477 & 0.1 & 0.19 \\
7080 \T & 55 &5.2 & 1.43  & 3.29 & 1202 & 0.2  & 0.09 \\
7081 \T & 110 &5.6 & 1.43  & 3.34 & 2679 & 0.2  & 0.11 \\
\hline
\end{tabular}
\tablefoot {\tablefoottext{a}{The value of $r_{\rm in}$ for this observation corresponds to a 5\% pile-up fraction.}}
\vspace*{5mm}
\end{table}