\begin{table}%t5
%\centering
\par
\caption{\label{t:iron}Iron abundances from UVES spectra.}
\begin{tabular}{rrcccccl}
\hline\hline
GC       &nr &   [Fe/H]{\sc i}              & rms & $\langle\Delta \theta\rangle$ & $\langle\Delta$(FeI)$/EW\rangle$& $\langle$[Fe{\sc ii}/Fe{\sc i}]$\rangle$ & rms \\
         &stars& $\pm$stat.err.$\pm$syst.   &       &$\pm$stat.err	&$\pm$stat.err	    &	  	       &       \\
         &   &        (dex)                 &       &                   &                   &                  &       \\
\hline
NGC  104 &11 &$-$0.768~$\pm$~0.016~$\pm$~0.031 & 0.054 &$-$0.008~$\pm$~0.003 &   +0.003~$\pm$~0.004& $-$0.031& 0.073 \\
NGC  288 &10 &$-$1.305~$\pm$~0.017~$\pm$~0.071 & 0.054 &$-$0.009~$\pm$~0.002 & $-$0.001~$\pm$~0.001& $-$0.044& 0.047 \\
NGC 1904 &10 &$-$1.579~$\pm$~0.011~$\pm$~0.069 & 0.033 &  +0.004~$\pm$~0.002 &   +0.000~$\pm$~0.000&   +0.031& 0.026 \\
NGC 2808 &12 &$-$1.151~$\pm$~0.022~$\pm$~0.050 & 0.075 &$-$0.007~$\pm$~0.002 & $-$0.002~$\pm$~0.001& $-$0.015& 0.031 \\
NGC 3201 &13 &$-$1.512~$\pm$~0.018~$\pm$~0.075 & 0.065 &  +0.016~$\pm$~0.003 &   +0.002~$\pm$~0.001&   +0.049& 0.064 \\
NGC 4590 &13 &$-$2.265~$\pm$~0.013~$\pm$~0.070 & 0.047 &$-$0.069~$\pm$~0.010 &   +0.022~$\pm$~0.010& $-$0.001& 0.073 \\
NGC 5904 &14 &$-$1.340~$\pm$~0.014~$\pm$~0.064 & 0.052 &  +0.001~$\pm$~0.003 &   +0.001~$\pm$~0.002& $-$0.003& 0.034 \\
NGC 6121 &14 &$-$1.168~$\pm$~0.012~$\pm$~0.054 & 0.046 &  +0.001~$\pm$~0.003 &   +0.000~$\pm$~0.000& $-$0.002& 0.025 \\
NGC 6171 & 5 &$-$1.033~$\pm$~0.029~$\pm$~0.038 & 0.064 &  +0.009~$\pm$~0.006 &   +0.000~$\pm$~0.001& $-$0.037& 0.031 \\
NGC 6218 &11 &$-$1.330~$\pm$~0.013~$\pm$~0.066 & 0.042 &$-$0.012~$\pm$~0.004 &   +0.001~$\pm$~0.001& $-$0.037& 0.017 \\
NGC 6254 &14 &$-$1.575~$\pm$~0.016~$\pm$~0.076 & 0.059 &$-$0.017~$\pm$~0.004 &   +0.001~$\pm$~0.001& $-$0.021& 0.071 \\
NGC 6388 & 7 &$-$0.441~$\pm$~0.014~$\pm$~0.025 & 0.038 &$-$0.018~$\pm$~0.003 & $-$0.000~$\pm$~0.003&   +0.072& 0.103 \\
NGC 6397 &13 &$-$1.988~$\pm$~0.012~$\pm$~0.061 & 0.044 &$-$0.036~$\pm$~0.008 &   +0.000~$\pm$~0.001& $-$0.039& 0.019 \\
NGC 6441 & 5 &$-$0.430~$\pm$~0.026~$\pm$~0.050 & 0.058 &$-$0.028~$\pm$~0.013 & $-$0.002~$\pm$~0.001&   +0.006& 0.197 \\
NGC 6752 &14 &$-$1.555~$\pm$~0.014~$\pm$~0.074 & 0.051 &$-$0.005~$\pm$~0.002 &   +0.002~$\pm$~0.001&   +0.034& 0.017 \\
NGC 6809 &14 &$-$1.934~$\pm$~0.017~$\pm$~0.074 & 0.063 &  +0.002~$\pm$~0.003 &   +0.005~$\pm$~0.003&   +0.011& 0.036 \\
NGC 6838 &12 &$-$0.832~$\pm$~0.018~$\pm$~0.051 & 0.061 &$-$0.004~$\pm$~0.002 & $-$0.002~$\pm$~0.000& $-$0.022& 0.049 \\
NGC 7078 &13 &$-$2.320~$\pm$~0.016~$\pm$~0.069 & 0.057 &$-$0.042~$\pm$~0.010 & $-$0.000~$\pm$~0.001& $-$0.034& 0.053 \\
NGC 7099 &10 &$-$2.344~$\pm$~0.015~$\pm$~0.069 & 0.049 &$-$0.041~$\pm$~0.013 &   +0.000~$\pm$~0.000&   +0.003& 0.070 \\
\hline
\end{tabular}
\end{table}