\begin{table}%t1
\caption{44 Bootis observation log during revolution 274.}\label{tab1}
%\centering
\par
\begin{tabular}{c | c c c c c}
\hline
\hline
Rev. & Experiment  & Filter  & Mode & Start Exp.(UT) & Exp. Duration \\
\hline
 & p$-$n& Thick & Full frame & 2001-06-08@11:27:12 & 30~716 s \\
274 & RGS1 &        & Spec + Q & 2001-06-08@10:42:54  & 33~141 s \\
& RGS2 &        & Spec + Q & 2001-06-08@10:42:54  & 33~223 s \\
\hline
\end{tabular}
\end{table}