\begin{table}%t1 \caption{\label{infores}Metallicity values derived for the studied sample of galaxies.} %\centering \par \begin{tabular}{lcccccccc} \hline \hline \noalign{\smallskip} Galaxy&$N_{\rm RGB}$&$\%_{\rm cont}$&$\langle {\rm [Fe/H]}\rangle_{\rm med}$&$\sigma$[Fe/H]$,obs$&$\sigma$[Fe/H]$,int$\\ \hline \object{KKs57}&$347$&$9$&$-1.45$&$0.46$&$0.28$\\ \object{KKs55}&$1748$&$2$&$-1.56$&$0.40$&$0.1$\\ \object{CenN}&$926$&$5$&$-1.49$&$0.40$&$0.15$\\ \object{KK189}&$526$&$5$&$-1.52$&$0.42$&$0.2$\\ \object{KK197}&$6647$&$1$&$-1.08$&$0.49$&$0.41$\\ \object{ESO269-66, KK190}&$6668$&$0.5$&$-1.21$&$0.42$&$0.33$\\ \hline \end{tabular} \end{table}