\begin{table}%t3
%%\begin{center}
\par
\caption{\label{Tab3}Summary of the UVOT observations of the three sources. The
magnitudes are not corrected for Galactic reddening (Schlegel et~al.~\cite{Schlegel1998}).}
%\centering
%\begin{flushleft}
\begin{tabular}{lccc}
\hline
\hline
%\noalign{\smallskip}
Source & Filter & $T_{\rm exp}$ & Magnitude \\
\hline%\noalign{\smallskip}\noalign{\smallskip}
IGR~J18249--3243  & {\it UVW2}  &    4727   &  $17.53\pm0.02$ \\
\hline
IGR~J19443+2117   &  $V$  &  907 & $>$20.3 (3$\sigma$ ul) \\
                  &  $B$  &  907 & $>$21.2 (3$\sigma$ ul) \\
                  &  $U$  &  907 & $>$20.8 (3$\sigma$ ul)  \\
                  & {\it UVW1}  &    1826   & $>$21.2 (3$\sigma$ ul)  \\
                  & {\it UVM2}  &    2518   & $>$21.5 (3$\sigma$ ul)  \\
                  & {\it UVW2}  &    1417   & $>$21.3 (3$\sigma$ ul)  \\
\hline
IGR~J22292+6647 & {\it UVW1}  &   11516   & $>$21.83 (3$\sigma$ ul)  \\
     & {\it UVM2}  &     461   & $>$20.41 (3$\sigma$ ul)  \\
     & {\it UVW2}  &    5179   & $>$21.64 (3$\sigma$ ul)  \\       
\hline
%\noalign{\smallskip}
\end{tabular}
%\end{flushleft}
\end{table}