\begin{table}%t1
\caption{\swift\ observations and exposures of \pks\ in the 2nd~quarter of 2005.}
\label{tab1}
%\centering
\small
\begin{tabular}{lcrc}
\hline \hline
 Date     & Start UT & XRT Exp. &  UVOT Exp. \\
          &          &      (s)~~~~~     &    (s)~~~~~  \\
\hline
April 1  & 00:43 & 1.258~~~   & /~          \\
April 26 & 23:31 & 5.212~~~   & 7.791~~~  \\
April 28 & 10:53 & 1.354~~~   & /~          \\
May 13   & 14:22 & 3.362~~~   & 3.380~~~  \\
May 21   & 10:09 & 9.224~~~  & 9.135~~~  \\
May 22   & 22:52 & 40.191~~~  & /~          \\
May 24   & 00:02 & 1.349~~~   & 5.402~~~  \\
May 26   & 00:46 &   400~~~ & 1.926~~~  \\
May 29   & 00:07 & 8.083~~~  & 8.715~~~  \\
June 14  & 16:23 & 1.235~~~  & /~          \\
June 24  & 17:15 & 7.951~~~  & /~          \\
\hline
\end{tabular}
\end{table}