\begin{table}%t2 \par \caption{\label{table3}Final properties of the five selected generic models.} \par %\centerline { \begin{tabular}{llcccccccc} \hline \hline dSph & \# & $L_{\rm{v}}$$^a$& $M/L_{\rm{V}}$$^b$& $M_{\rm{gas}}$$^c$& $\langle \rm{[Fe/H]}\rangle$$^d$& $\rm{[Fe/H]}<-3.0$$^e$& $\le $$4~\rm{Gyr}$$^f$& $[4,8]~\rm{Gyr}$$^g$& $\ge $$8~\rm{Gyr}$$^h$\\ & & $[10^6~{L_\odot}]$ & & $[10^8~ {M_\odot}]$ & dex & \% & \% & \% & \%\\ \hline Carina & $533$ & 0.72 & 231 & 0.28 & --1.82 & 2.9 & 26.1 & 29.3 & 44.6\\ Leo II & $587$ & 0.97 & 219 & 0.33 & --1.82 & 2.9 & 24.4 & 26.4 & 49.2\\ Sextans & $590$ & 0.53 & 390 & 0.17 & --2.02 & 5.2 & 1.7 & 0.0 & 98.3\\ Sculptor & $630$ & 2.86 & 83 & 0.32 & --1.82 & 5.6 & 3.6 & 0.0 & 96.4\\ Fornax & $575$ & 12.76 & 27 & 0.12 & --1.03 & 1.2 & 14.4 & 10.6 & 75.0\\ % \hline \end{tabular}} $^a$ {Stellar luminosity in $V$-band}; $^b$ {mass-to-light ratio}; $^ac$ {gas mass}; $^d$ {median of the metallicity distribution function}; $^e$ {fraction of stars having a metallicity lower than $-3$;} $^f$ {fraction of stars younger than $4~\rm{Gyr}$}; $^g$ {fraction of stars having ages between $4$ and $8~\rm{Gyr}$}; $^h$ {fraction of stars older than $8~\rm{Gyr}$.} \par \end{table}