\begin{table}%t2 \caption{Radio properties of the mini halos derived from the fit procedure.} %\centerline { \begin{tabular}{ccccccccccc} \hline \hline Cluster& {\it FWHM} & $r_e$ &$r_e$ & $I_{0_{\rm MH}}$ & $S_{\rm MH}$ & $I_{0_{\rm PS}}$ & $FWHM_{\rm PS}$ & $S_{\rm PS}$ & $\langle J\rangle$ &$\chi^2_{\rm RED}$ \\ & arcsec & arcsec &kpc & $\mu$Jy/arcsec$^2$ & mJy & $\mu$Jy/arcsec$^2$ & arcsec & mJy& erg s$^{-1}$~Hz$^{-1}$~cm$^{-3}$ & \\ \hline\noalign{\smallskip} A1835 & 53 & $26^{\rm +18}_{-8}$ &$102^{\rm +70}_{-31}$& $1.78^{\rm +4.95}_{-1.32}$&$6.0^{\rm +0.8}_{-0.7}$ & $8.68^{\rm +0.65}_{-1.11}$&$57^{\rm +2}_{-3}$& $32.2^{\rm +0.8}_{-0.7}$& $3.3^{\rm +2.2}_{-1.3}\times 10^{-42}$ &0.03\\ \noalign{\smallskip} A2029 & 53 & $37^{\rm +4}_{-4}$ &$53^{\rm +6}_{-6}$ & $2.75^{\rm +0.92}_{-0.64}$&$18.8^{\rm +1.3}_{-1.1}$& $129^{\rm +7}_{-7}$& $57^{\rm +1}_{-1}$ &$480.0^{\rm +19.5}_{-19.4}$& $5.4^{\rm +1.9}_{-1.3}\times 10^{-42}$ &0.5\\\noalign{\smallskip} OPHIUCHUS & 92 & $191^{\rm +23}_{-19}$ &$105^{\rm +13}_{-11}$&$0.58^{\rm +0.08}_{-0.07}$&$106.4^{\rm +10.4}_{-8.9}$& $2.47^{\rm +0.22}_{-0.21}$& $102^{\rm +6}_{-5}$ &$29.0^{\rm +2.0}_{-2.0}$& $4.7^{\rm +0.9}_{-0.8}\times 10^{-43}$ &2.9\\ \hline \end{tabular}} \medskip \par Column 2: \textit{FWHM} of the circular Gaussian beam; Col. 6: mini-halo radio flux density calculated up to 3$r_e$; Col. 10: average radio emissivity over the volume of a sphere of radius 3$r_{e}$, $k$-corrected with $\alpha=1$. \label{tab2} \end{table}