\begin{table}%t1
\caption{Clusters sample.\label{tab1}}
\begin{tabular}{cccccc}
\hline\hline
\multicolumn{1}{c} {Name} &
\multicolumn{1}{c} {$l$} &
\multicolumn{1}{c} {$b$} &
\multicolumn{1}{c} {$d_{\odot}$} &
\multicolumn{1}{c} { age } &
\multicolumn{1}{c} { Ref. } \\
\hline
 & deg & deg  &  kpc & Gyr &  \\
\hline
Berkeley~75& 234.30 & --11.12 &  9.8 & 3.0 & Carraro et~al. (\cite{Carraro05}a)\\
Berkeley~25& 226.60 &  --9.69 & 11.3 & 4.0 & Carraro et~al. (\cite{Carraro05}a)\\
Ruprecht~7 & 225.44 &  --4.58 &  6.5 & 0.8 & Carraro et~al. (\cite{Carraro05}b)\\
Ruprecht~4 & 222.04 &  --5.31 &  4.9 & 0.8 & Carraro et~al. (\cite{Carraro05}b) \\
Berkeley~73& 215.28 &  --9.42 &  9.7 & 1.5 & Carraro et~al. (\cite{Carraro05}a) \\
\hline
\end{tabular}
\end{table}