\begin{table}%t2 %\centering \par \caption{\label{log}\xmm/PN and \swift/XRT log of the observations used in this paper.} \tiny \begin{tabular}{lcccc} \hline \hline\noalign{\smallskip} Orbit & ObsID & Date Start & Exposure & Mode\footnote{The \xmm~optical filter employed is given in brackets: T and M stand for Thick and Medium, respectively.} \\ ~ & ~ & [UTC] & [ks] & ~ \\ \hline & & \xmm/PN & & \\ %\hline 406& 111350101 & 2002 Feb. 26, 06:41:42 &40.0 & Imaging (T) \\ 516 & 111350301 & 2002 Oct. 3, 07: 17:07 & 15.3 & Imaging (T) \\ 788 & 202670501 & 2004 Mar. 28, 16:45:33 & 41.9 & Imaging (M) \\ 866 & 202670701 & 2004 Aug. 31, 03:34:59 & 126.7 & Imaging (M) \\ 1139 & 302882601 & 2006 Feb. 27, 04:27:37 & 0.5 & Imaging (M) \\ 1236 & 302884001 & 2006 Sep. 8, 17:19:46 & 0.5 & Imaging (M) \\ 1322 & 506291201 & 2007 Feb. 27, 06:27:39 & 37.6 & Timing (M) \\ 1338 & 402430701 & 2007 Mar. 30, 21:28:14 & 32.3 & Imaging (M) \\ 1339 & 402430301 & 2007 Apr. 1, 15:07:59 & 103.5 & Imaging (M) \\ 1340 & 402430401 & 2007 Apr. 3, 16:39:17 & 97.6 & Imaging (M) \\ 1418 & 504940201 & 2007 Sep. 6, 10:28:34 & 11.1 & Imaging (M) \\ 1518 & 505670101 & 2008 Mar. 23, 17:22:10& 96.6 & Imaging (M) \\ \hline & & \swift/XRT & & \\ %\hline \dotfill & 0003088801 & 2007 Feb 16, 21:39:18 & 3.9 & Photon counting \\ \hline \end{tabular} \end{table}