\begin{table}%t4
%\centering
\par
\caption {Best fit results for the parameters of 2D~temperature profiles (Eq.~(\ref{eqtemp})) for A496, A1689 and~A2667.\label{ParamsTemp}}
\begin{tabular}{cccc}
\hline\hline
 Cluster & $T_{0}$ & $r_{\rm t}$ & $\alpha$  \\
         & (keV)  & (arcsec)& \\
\hline\noalign{\smallskip}
%A267  &  &  & \\
A496  & 1.658 $\pm$ 0.069 & 726 $\pm$ 80 & 3.20 $\pm$ 0.24 \\
A1689 &  8.16 $\pm$ 0.58 &  200 $\pm$ 26 & --0.27 $\pm$ 0.17 \\
A2667 &  3.21 $\pm$ 0.39 &  184 $\pm$ 44 & 1.96 $\pm$ 0.53 \\
\hline	  
\end{tabular}
\end{table}