\begin{table}%t1 \caption{\label{table:integral}INTEGRAL observation characteristics for \psrtar.} %%\centerline {\small \begin{tabular}{c c c c c c c} \hline\hline Revs. & Date begin & Date end & MJD & GTI$^1$ exposure & Eff.$^2$ exposure & \# Scw$^3$ \\ & & & & (Ms) & (Ms) & \\ \hline \multicolumn{7}{c}{\textit{Pre-outburst}}\\ 049-070 & 10-03-2003 & 13-05-2003 & 52~708-52~772 & 1.3737 & 0.6954 & 657\\ 109-123 & 04-09-2003 & 18-10-2003 & 52~886-52~930 & 0.3434 & 0.1869 & 180\\ 172-233 & 11-03-2004 & 10-09-2004 & 53~075-53~258 & 1.1416 & 0.5047 & 402\\ 236-250 & 18-09-2004 & 01-11-2004 & 53~266-53~310 & 0.6488 & 0.3142 & 343\\ 251-315 & 02-11-2004 & 14-05-2005 & 53~311-53~504 & 0.6681 & 0.3945 & 315\\ 345-379 & 10-08-2005 & 21-11-2005 & 53~592-53~695 & 1.0405 & 0.4418 & 347\\ 407-441 & 12-02-2006 & 26-05-2006 & 53~778-53~881 & 0.7707 & 0.4604 & 355\\ \hline 049-441 & 10-03-2003 & 26-05-2006 & 52~708-53~881 & 5.9868 & 2.9979 &2599\\ \multicolumn{7}{c}{\textit{Outburst/Post-outburst}}\\ 474-501 & 31-08-2006 & 19-11-2006 & 53~978-54~058 & 0.3721 & 0.2135 & 148\\ 537-561 & 07-03-2007 & 20-05-2007 & 54~166-54~241 & 0.3908 & 0.1561 & 130\\ 592-603 & 19-08-2007 & 23-09-2007 & 54~331-54~366 & 0.6011 & 0.2587 & 168\\ \hline 474-603 & 31-08-2006 & 23-09-2007 & 53~978-54~366 & 1.3640 & 0.6283 & 446\\ \multicolumn{7}{c}{\textit{All observations}}\\ 049-603 & 10-03-2003 & 23-09-2007 & 52~708-54~366 & 7.3508 & 3.6262 &3045\\ \hline \end{tabular}} \par \medskip $^1$ Total Good-Time-Interval exposure of the used observations.\\ $^2$ Effective exposure on \psrtar\ corrected for off-axis sensitivity reduction.\\ $^3$ Number of used Science Windows, see text. \end{table}