\begin{table}%T1
\caption{Summary of the X-ray observations of \object{Mrk~205}; spectral parameters.
The 2$-$10~keV flux was extrapolated from the best fit parameters.
}\label{Tab1}
%\begin{center}
{
%\addtolength{\tabcolsep}{-2pt}
\begin{tabular}{lcccc}
\hline
\hline
%\rule[-0.5em]{0pt}{1.6em}
Mission, reference & Date & $\Gamma$ & $N_{\rm H}$ & Flux$_{2{-}10 {\rm keV}}$\\
\hline  
%\rule[-0.5em]{0pt}{1.6em}      
&&& 10$^{20}$~cm$^{-2}$ & 10$^{-11}$~erg~cm$^{-2}$~s$^{-1}$  \\
\hline
{\it EINSTEIN (HRI)}, [a]&22-11-1978&1.50$^{f} $& $\rm 3.00^{+0.10}
_{-0.10} $& $\rm 1.36^{+0.07} _{-0.07}$\\
{\it EINSTEIN (IPC)}$^{\dagger}$, [b]&20-04-1980& $\rm 1.80^{+0.20} _{-0.20}$& $\rm 2.00^{+0.90}
_{-0.80}$& $\rm 1.18^{+0.07} _{-0.05}$\\
{\it EXOSAT}$^{\star}$, [c]&10-11-1983& $\rm 1.73^{+0.62} _{-0.55}$& $\rm 1.33^{+5.20}
_{-1.30}$& $\rm 0.72^{+0.10} _{-0.11}$\\
{\it EXOSAT}$^{\star}$, [c]&27-01-1984& $\rm 1.94^{+0.74} _{-0.41}$& $\rm 2.84^{+13.70}
_{-2.35}$& $\rm 0.66^{+0.08} _{-0.09}$\\
{\it GINGA}$^{\ddagger}$, [d]&16-01-1988& $\rm 1.95^{+0.13}
_{-0.11}$& $\rm 3.40^{+3.40} _{-0}$& $\rm 1.01^{+0.10} _{-0.10}$\\
{\it ROSAT (PSPC)}, [e]&10-11-1991& $\rm 2.38^{+0.08} _{-0.08}$& $\rm 3.24^{+0.24}
_{-0.24}$& $\rm 0.16^{+0.01} _{-0.01}$\\
{\it ROSAT (PSPC)}, [e]&15-04-1992& $\rm 2.32^{+0.10} _{-0.10}$& $\rm 3.32^{+0.30}
_{-0.30}$& $\rm 0.11^{+0.01} _{-0.01}$\\
{\it ASCA}$^{\ddagger}$, [f]&03-12-1994& $\rm 2.13^{+0.03} _{-0.03}$& $\rm 2.50^{+0.90}
_{-0.90}$& $\rm 0.75^{+0.09} _{-0.09}$\\
{\it BeppoSAX}, this work&12-03-1997& $\rm 1.77^{+0.07} _{-0.06}$& $\rm 2.90^{+1.18}
_{-0}$& $\rm 1.21^{+0.02} _{-0.02}$\\
{\it XMM-Newton}$^{\dagger}$$^{\ddagger}$,
[g]&06-05-2000& $\rm 1.86^{+0.02} _{-0.02}$&4.30 & $\rm 0.47^{+0.05} _{-0.05}$\\
{\it BeppoSAX}$^{\dagger}$$^{\ddagger}$, this work&21-12-2001&
$\rm 1.87^{+0.02} _{-0.03}$& $\rm 2.90^{+0.25}
_{-0}$& $\rm 1.11^{+0.01} _{-0.01}$\\
{\it BeppoSAX}, this work&05-01-2002& $\rm 1.72^{+0.07}
_{-0.07}$& $\rm 3.69^{+2.75} _{-0.79}$& $\rm 0.72^{+0.01} _{-0.01}$\\
\hline
\end{tabular}}
Note: Galactic $N_{\rm H}=2.90\times10^{20}$~cm$^{-2}$ (Dickey \& Lockman \cite{dickey}). \\
$^{\dagger}$ Evidence for a soft excess component reported.\\
$^{\star}$ Broken power law model preferred.\\
$^{\ddagger}$ Evidence for an Fe K$\alpha$ line reported.\\
$^f$ Fixed parameter.
%\end{center}
\par
\end{table}