\begin{table}%T3
\caption{\label{table:3}Photometric parameters of the RGB~morphology for the observed clusters.}
\small%\centering
\par
\begin{tabular}{c c c c c c c c c}
\hline\hline
Name & M~3 & NGC~5897 & M~13 & NGC~6541  & NGC~6642 & NGC~6681 & NGC~6717 & NGC~6723 \\
\hline\noalign{\smallskip}
$(J-K)^{-5.5}_o$ &$0.879\pm0.02$ &$0.757\pm0.02$  &$0.856\pm0.03$ &$0.824\pm0.02$ &$0.924\pm0.03$ &$0.826\pm0.02$ &$0.968\pm0.03$ &$0.940\pm0.02$ \\
$(J-K)^{-5.0}_o$ &$0.840\pm0.02$ &$0.727\pm0.02$ &$0.828\pm0.03$ &$0.789\pm0.02$ &$0.843\pm0.03$ &$0.778\pm0.02$ &$0.887\pm0.03$ &$0.899\pm0.02$ \\
$(J-K)^{-4.0}_o$ &$0.766\pm0.03$ &$0.657\pm0.02$ &$0.747\pm0.02$ &$0.687\pm0.02$ &$0.720\pm0.03$ &$0.686\pm0.02$ &$0.777\pm0.03$ &$0.787\pm0.03$ \\
$(J-K)^{-3.0}_o$ &$0.688\pm0.03$ &$0.601\pm0.02$ &$0.673\pm0.02$ &$0.595\pm0.02$ &$0.632\pm0.04$ &$0.628\pm0.02$ &$0.714\pm0.03$ &$0.696\pm0.03$ \\
%\\
$(J-H)^{-5.5}_o$ &$0.765\pm0.03$ &$0.690\pm0.02$ &$0.724\pm0.02$ &$0.695\pm0.02$ &$0.816\pm0.03$ &$0.680\pm0.03$ &$0.820\pm0.02$ &$0.751\pm0.03$ \\
$(J-H)^{-5.0}_o$ &$0.729\pm0.03$ &$0.667\pm0.02$ &$0.667\pm0.02$ &$0.663\pm0.02$ &$0.759\pm0.03$ &$0.644\pm0.03$ &$0.796\pm0.02$ &$0.717\pm0.03$ \\
$(J-H)^{-4.0}_o$ &$0.671\pm0.03$ &$0.623\pm0.02$ &$0.602\pm0.02$ &$0.584\pm0.02$ &$0.659\pm0.03$ &$0.584\pm0.03$ &$0.727\pm0.02$ &$0.665\pm0.04$ \\
$(J-H)^{-3.0}_o$ &$0.594\pm0.03$ &$0.583\pm0.02$ &$0.539\pm0.03$ &$0.511\pm0.03$ &$0.578\pm0.04$ &$0.537\pm0.03$ &$0.650\pm0.02$ &$0.580\pm0.03$ \\
%\\
$M^{(J-K)_{o}=0.7}_K$ &$-3.182\pm0.41$ &$-4.530\pm0.22$ &$-3.435\pm0.33$ &$-4.140\pm0.23$ &$-3.710\pm0.28$ &$-4.102\pm0.25$ &$-2.730\pm0.33$ &$-3.045\pm0.37$ \\
$M^{(J-H)_{o}=0.7}_H$ &$-4.553\pm0.45$ &$-5.734\pm0.44$ &$-5.317\pm0.20$ &$-5.558\pm0.34$ &$-4.508\pm0.37$ &$-5.936\pm0.24$ &$-3.656\pm0.25$ &$-4.873\pm0.50$ \\
%\\
$RGB_{\rm slope}$ &$-0.073\pm0.003$ &$-0.047\pm0.004$ &$-0.069\pm0.003$ &$-0.072\pm0.003$ &$-0.104\pm0.006$ &$-0.075\pm0.003$ &$-0.077\pm0.004$ &$-0.082\pm0.003$ \\
\hline
\end{tabular} 
\end{table}