\begin{table}%T7
\caption{\label{eso_140_UV}Optical and ultraviolet apparent magnitudes measured by the two different {\it XMM-Newton}/OM and {\it Swift}/XRT observations. }
\small%\centering
\par
\begin{tabular}{lccccc}
\hline\hline\noalign{\smallskip}
Instrument & & XMM/OM & XMM/OM & Swift/UVOT & Swift/UVOT \\
 Time & &  08-09-2005 & 07-03-2006 & 20-05-2008 & 25-05-2008\\
 \noalign{\smallskip}
 Band & Wavelength & Magnitude  & Magnitude & Magnitude & Magnitude\\
 & { $\AA $}& {  mag} & { mag} & { mag}& {  mag}  \\
\hline\noalign{\smallskip}
$V$ & 5430 &$ 14.56^{\rm +0.01}_{-0.01}$ & $ 14.57^{\rm +0.01}_{-0.01}$  & -- & -- \\
$B$ & 4500 &$ 15.34 ^{\rm +0.01}_{-0.01}$ & $ 15.37^{\rm +0.01}_{-0.01}$ & -- & -- \\
$U$ & 3440 &$ 14.90 ^{\rm +0.01}_{-0.01}$  & $ 14.94 ^{\rm +0.01}_{-0.01}$ & -- & -- \\
{\it UVW1} & 2910 &$ 15.14^{\rm +0.01}_{-0.01}$ & $ 15.18^{\rm +0.01}_{-0.01}$  & -- & $ 16.0^{\rm +0.1}_{-0.1}$ \\  
{\it UVM2} & 2310  &$ 16.14 ^{\rm +0.04}_{-0.04}$ & $ 16.67^{\rm +0.04}_{-0.04}$  & $ 16.8^{\rm +0.1}_{-0.1}$ & -- \\
{\it UVW2} & 2120 &$ 16.57 ^{\rm +0.08}_{-0.08}$ &  -- & -- &--\\
\noalign{\smallskip}\hline 
\end{tabular} 
\end{table}