\begin{table}%t1 \caption{\label{obs}Overview of \xmm\ observations of \sco\ used in this article.} %\centering \small \begin{tabular}{cccccl} \hline \hline Orbit & Observation & Date & Duration (ks) & Pointing & CCD mode \\ \hline 0224 & 0134550501 & 27-02-2001 & 8 $\times$ 2 & on-axis & single CCD \\ 0402 & 0153950201 & 18-02-2002 & 4 $\times$ 6 & off-axis & 2-CCD \\ 0592 & 0152890101 & 03-03-2003 & 15 & on-axis & RGS1 CCD4 \\ & & & 8 $\times$ 1.4 & on-axis & RGS2 single CCD \\ & 0152890201 & & 9 & on-axis & RGS1 CCD4 \\ & & & 6 $\times$ 1.4 & on-axis & RGS2 single CCD \\ & 0152890301 & & 9 & on-axis & RGS1 CCD4 \\ & & & 6 $\times$ 1.4 & on-axis & RGS2 single CCD \\ \hline \end{tabular} \end{table}