\begin{table}%t1
\caption{Main parameters for the models of the six  dSph galaxies studied in this paper.}\label{tab1}
\par
%\centering
\small
\begin{tabular}{lccccc}
\hline 
\hline
&&&&& \\[-8pt]
Galaxy &$M_{\rm tot}^{\rm initial} (M_{\odot})$ & $w_{i}$ & $\nu({\rm Gyr}^{-1})$ & $\nu_1, \nu_2 ({\rm Gyr}^{-1})$ & IMF\\ 
\hline
&&&&& \\[-8pt]
Sextans  &$5\times 10^{8}$&     9    & 0.08     &  0.01--0.3   &   Salpeter\\
Sculptor &$5\times 10^{8}$&     13   & 0.2      &  0.05--0.5   &   Salpeter\\
Sagittarius &$5\times 10^{8}$&  9    & 3.0   &  1.0--5.0    &   Salpeter\\
Draco  &$5\times 10^{8}$ &      4    & 0.03       &  0.005--0.1  &   Salpeter\\
Ursa Minor &$5\times 10^{8}$&  10    & 0.2    &  0.05--0.5   &   Salpeter\\
Carina &$5\times 10^{8}$  &    5      & 0.15       &  0.02--0.4   &   Salpeter\\
\hline
\end{tabular}
\end{table}