\begin{table}%t1
\caption{\label{t1}Fitting parameters from ICP temperature profiles.}
\par
%\centering
\begin{tabular}{lccccc}
\hline\hline \noalign{\smallskip}
Cluster & $c$\tablefootmark{*} & $a$ & $r_{\rm b}/R$ & $a'$ & $\chi^2$\tablefootmark{**} \\
\hline \noalign{\smallskip}
A1795 & $8.5^{\rm +1.9}_{-1.9}$ & $1.2^{\rm +0.3}_{-0.3}$  & $0.28^{\rm +0.02}_{-0.02}$ & $1.8^{\rm +1.3}_{-1.3}$ & $0.3~ (2.6)$\\
PKS0745-191 & $7.6^{\rm +1.7}_{-1.7}$ & $1.9^{\rm +1.3}_{-1.3}$  & $0.23^{\rm +0.03}_{-0.03}$ & $1.1^{\rm +0.7}_{-0.7}$ & $1.4~ (4.4)$ \\
A2204 & $5.5^{\rm +1.1}_{-1.1}$ & $1.5^{\rm +1.1}_{-1.1}$ & $0.31^{\rm +0.07}_{-0.07}$ & $0.6^{\rm +0.4}_{-0.4}$ & $1.1~ (2.1)$ \\
A1413 & $8.3^{\rm +1.7}_{-1.7}$ & $0.9^{\rm +0.3}_{-0.3}$  & $0.27^{\rm +0.07}_{-0.07}$ & $0.2^{\rm +0.03}_{-0.03}$ & $1.2~ (1.9)$ \\
A1689\tablefootmark{^\dag} & $12.4^{\rm +5.3}_{-5.3}$ & $0.7^{\rm +0.3}_{-0.3}$  & $0.5^{\rm +0.1}_{-0.1}$ & $1.6^{\rm +1.2}_{-1.2}$ & $1.5~ (1.7)$ \\[2pt]
\hline
\end{tabular}
\tablefoot{
\tablefoottext{*}{DM concentration estimated from X rays.}
\tablefoottext{**}{Reduced $\chi^2$ values for fits with the entropy run in Eq.~(4); in parenthesis the values with $a'=0$, corresponding to Eq.~(1).}
\tablefoottext{\dag}{CC classification is controversial \citep[see][]{Riemer2009}.}} 
\end{table}