\begin{table}%t2
\caption{Count rates, fluxes and orbital phases of filter
observations with the Optical Monitor (OM) onboard XMM-Newton.}\label{2xmmom}
\par
%\centering
\small
\begin{tabular}{lcccc}
\hline\hline
&&&& \\[-8pt]
Filter& $\lambda_{\rm eff}$    &  Countrate       & Flux ($10^{-16}$)          & Orbital phase\\
      & [\AA]   &                  & [erg cm$^{-2}$ s$^{-1}$ \AA$^{-1}$] &\\
\hline
 {\it UVW1}  & 2910  & $0.264 \pm 0.045$   & $1.26 \pm 0.21$ & 0.25--0.40\\
 {\it UVM2}  & 2310  & $0.099 \pm 0.022$   & $2.2 \pm 0.5$   & 0.97--0.21\\
 {\it UVW2}  & 2120  & $0.039 \pm 0.019$   & $2.2 \pm 1.0$   & 0.52--0.77\\
\hline
\end{tabular}
\end{table}