\begin{table}%t1 \par \caption{\label{tab1}IBIS/ISGRI observations log of IGR~J19405-3016. } \small %\centerline {\begin{tabular}{ccccccc} \hline \hline Revs. & Date & Expo.& SCW&Flux &Sig.\\ & MJD & ks & &mCrab &$\sigma$ \\ \hline 0056-0244 & 52729-53291 & 262 & 146 &1.5~$\pm$~0.3 &4.9\\ 0258-0371 & 53332-53672 & 218 & 129 &1.4~$\pm$~0.4&3.5\\ 0416-0498 &53805-54050 & 879 & 275 &1.5~$\pm$~0.2&7.8\\ 0543-0664 & 54184-54547 & 17& 16 &$<$3.3&0.0\\ 0056-0664 & 52729-54547 & 1376& 566 &1.40~$\pm$~0.15&9.4\\ \hline \end{tabular}} \par \smallskip Note: {the flux and the significance are presented in the energy band \mbox{20--60}~keV for the data in which the source was within an offset angle of 10~degrees. The error bars are 1$\sigma$ and the upper limit is 2$\sigma$.} \par \end{table}