\begin{table}%T7 %\centering \par \caption{RGB magnitudes and slopes for the RGB-MP and RGB-a of $\omega$~Cen.}\label{t7} \begin{tabular}{cccc} \hline\hline \noalign{\smallskip} & $M_{K}^{(J-K)_0~=~0.7}$ & $M_{K}^{(V-K)_0~=~3}$ & Slope$_{\rm RGB}$ \\ \noalign{\smallskip} \hline \noalign{\smallskip} RGB-MP & $-4.00\pm0.14$ & $-4.93\pm 0.14$ & $-0.050\pm 0.003$ \\ RGB-a & $-2.07\pm0.16$ & $-3.34\pm 0.24$ & $-0.093\pm 0.006$ \\ \noalign{\smallskip} \hline \end{tabular} \end{table}