\begin{table}%t1    
\caption{Observation Log of Mrk~335 as observed by  {\it XMM-Newton}.}\label{tab:log} 
%\centerline
{\begin{tabular}{c c c c c c c c}
\hline\hline               
OBSID  & Date &  RGS exp &  pn exp  & $\Gamma$$_{\rm soft}$ &  Flux$_{0.3-2}$  & $\Gamma$$_{\rm hard}$ &  Flux$_{2-10}$ \\    
--  &   (dd/mm/yyyy) & (ks)   & (ks)  & -- &   (10$^{-12}$~erg~cm$^{-2}$ s$^{-1}$)   & -- & (10$^{-12}$~erg~cm$^{-2}$ s$^{-1}$)  \\
\hline \noalign{\smallskip} 
0510010701$^{  a}$ & 10/07/2007 & 22    & 15  &  $2.84\pm0.03$ & $1.95\pm0.04$ & $1.02\pm0.07$   & 3.34$^{+0.23}_{-0.10}$  \\
0306870101$^{ b}$ & 03/01/2006 & 130  &  92 & $2.72\pm0.01$ & $32.16\pm0.04$ & $2.09\pm0.01$  & $17.72\pm0.07$ \\                 
0101040101$^{ c}$ & 25/12/2000 & 34    & 30  & $2.80\pm0.01$ & $31.74\pm0.06$ & $2.16\pm0.02$  & $15.00\pm0.02$ \\
 \hline                                  
\end{tabular} }
\medskip
$^a$ Grupe et~al. (\cite{Grupe2008}), $^b$ O'Neill et~al. (\cite{O'Neill2007}), $^c$ Longinotti et~al. (\cite{Longinotti2007}). The \mbox{X-ray} properties have been measured from the pn spectra. 
\end{table}