\begin{table}%t1
\caption{INTEGRAL observation log on the Coma cluster.}
\label{tab}
%\centering
\small
\begin{tabular}{cccc}
\hline \hline
INTEGRAL & Observation & No. of & Observing \\
revolution number & dates & pointings & time [ks]\\
\hline
0036 & Jan. 29--31, 2003 & 63 & 140.1\\
0071-72 & May 14--18, 2003 & 135 & 304.5\\
0274-75 & Jan. 10--15, 2005 & 57 & 202.4\\
0317-18 & May 19--25, 2005 & 99 & 333.4\\
0324-25 & Jun. 9--11, 2005 & 47 & 164.5\\
\hline
\cline{4-4}
\multicolumn{3}{r}{ } \vline& \multicolumn{1}{|r|}{1144.9}\\
\cline{4-4}
\end{tabular}
\end{table}