\begin{table}%t5 \caption {Reddening, distance modulus and metallicity of the 4 \sgr\ globular clusters.} %\centerline { \begin{tabular}{lccc} \hline\hline \noalign{\smallskip} Object & $E(B-V)$& $(m-M)_{V}$ & [Fe/H] \\ \hline Ter8 & 0.12 & 17.45 & --2.34 \\ Arp2 & 0.10 & 17.59 & --1.83 \\ M54 & 0.15 & 17.10 & --1.55 \\ Ter7 & 0.07 & 17.05 & --0.60 \\ \hline \end{tabular}} \tablebib{\citet[][]{harris96, brown99, monaco04, sbordone2007, mottini08}.} \end{table}