\begin{table}%ta.3
%\centering
\par
\scriptsize
\caption{\label{t:errabu}Error in element ratios due to star-to-star errors in atmospheric parameters and in the EWs.}
\small \begin{tabular}{lllllrlcccl}
\hline\hline
&\multicolumn{6}{c}{Errors in abundances due to:} & \multicolumn{1}{c}{} &\multicolumn{2}{c}{Total star-to-star error} &\\
\cline{2-7} \cline{9-10}\\
& $T_{\rm eff}$& $\log g$ & [A/H]   & $v_t$  &$\langle $nr$\rangle$ & EW  &  & $T_{\rm eff}$+$v_t$+EW &     all &\\
$[$Fe/H$]$I &     +0.004   &  +0.001  &  +0.003 &$-$0.039& 30   & 0.025  &  &  	 0.046  	     &   0.047 &NGC 104\\
$[$Fe/H$]$II&   $-$0.006   &  +0.004  &  +0.011 &$-$0.017&  3   & 0.078  &  &  	 0.080  	     &   0.081 &\\
$[$O/Fe$]$  &   $-$0.003   &  +0.003  &  +0.009 &  +0.039&  1   & 0.135  &  &  	 0.141  	     &   0.141 &\\
$[$Na/Fe$]$ &     +0.001   &$-$0.002  &  +0.000 &  +0.010&  3   & 0.078  &  &  	 0.079  	     &   0.079 &\\
%NGC  288    &    	   &	      &	        &	 &      &	 &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.007   &$-$0.002  &$-$0.002 &$-$0.076& 31   & 0.025  &  &  	 0.080  	     &   0.080 &NGC 288\\
$[$Fe/H$]$II&   $-$0.003   &  +0.018  &  +0.018 &$-$0.034&  2   & 0.098  &  &  	 0.104  	     &   0.106 &\\
$[$O/Fe$]$  &   $-$0.005   &  +0.018  &  +0.018 &  +0.081&  1   & 0.138  &  &  	 0.160  	     &   0.162 &\\
$[$Na/Fe$]$ &   $-$0.002   &$-$0.005  &$-$0.005 &  +0.050&  2   & 0.098  &  &  	 0.110  	     &   0.110 &\\
%NGC 1904    &    	   &	      &	        &	 &      &	 &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.006   &$-$0.002  &$-$0.004 &$-$0.054& 25   & 0.027  &  &  	 0.061  	     &   0.061 &NGC 1904\\
$[$Fe/H$]$II&   $-$0.002   &  +0.017  &  +0.006 &$-$0.016&  2   & 0.093  &  &  	 0.094  	     &   0.096 &\\
$[$O/Fe$]$  &   $-$0.004   &  +0.018  &  +0.014 &  +0.058&  1   & 0.131  &  &  	 0.143  	     &   0.145 &\\
$[$Na/Fe$]$ &   $-$0.002   &$-$0.005  &$-$0.002 &  +0.042&  3   & 0.076  &  &  	 0.087  	     &   0.087 &\\
%NGC 3201    &    	   &	      &	        &	 &      &	 &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.005   &$-$0.002  &$-$0.004 &$-$0.042& 28   & 0.028  &  &  	 0.051  	     &   0.051 &NGC 3201\\
$[$Fe/H$]$II&   $-$0.002   &  +0.017  &  +0.010 &$-$0.017&  2   & 0.103  &  &  	 0.104  	     &   0.106 &\\
$[$O/Fe$]$  &   $-$0.004   &  +0.018  &  +0.019 &  +0.046&  1   & 0.146  &  &  	 0.153  	     &   0.155 &\\
$[$Na/Fe$]$ &   $-$0.002   &$-$0.004  &$-$0.000 &  +0.038&  2   & 0.103  &  &  	 0.110  	     &   0.110 &\\
%NGC 4590&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.004   &$-$0.001  &$-$0.002 &$-$0.031& 12   & 0.037  &  &  	 0.048  	     &   0.048 &NGC 4590\\
$[$Fe/H$]$II&   $-$0.001   &  +0.015  &  +0.004 &$-$0.014&  1   & 0.129  &  &  	 0.130  	     &   0.131 &\\
$[$O/Fe$]$  &   $-$0.002   &  +0.016  &  +0.011 &  +0.039&  1   & 0.129  &  &  	 0.135  	     &   0.136 &\\
$[$Na/Fe$]$ &   $-$0.002   &$-$0.003  &  +0.002 &  +0.025&  3   & 0.074  &  &  	 0.078  	     &   0.078 &\\
%NGC 5904&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.014   &$-$0.001  &$-$0.002 &$-$0.031& 33   & 0.024  &  &  	 0.042  	     &   0.042 &NGC 5904\\
$[$Fe/H$]$II&   $-$0.007   &  +0.018  &  +0.005 &$-$0.012&  2   & 0.098  &  &  	 0.099  	     &   0.101 &\\
$[$O/Fe$]$  &   $-$0.010   &  +0.018  &  +0.009 &  +0.031&  1   & 0.139  &  &  	 0.143  	     &   0.144 &\\
$[$Na/Fe$]$ &   $-$0.004   &$-$0.006  &$-$0.002 &  +0.021&  3   & 0.080  &  &  	 0.083  	     &   0.083 &\\
%NGC 6121&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.004   &$-$0.001  &$-$0.001 &$-$0.037& 37   & 0.022  &  &  	 0.043  	     &   0.043 &NGC 6121\\
$[$Fe/H$]$II&   $-$0.003   &  +0.019  &  +0.006 &$-$0.003&  3   & 0.079  &  &  	 0.079  	     &   0.082 &\\
$[$O/Fe$]$  &   $-$0.003   &  +0.018  &  +0.009 &  +0.008&  1   & 0.136  &  &  	 0.136  	     &   0.138 &\\
$[$Na/Fe$]$ &     +0.000   &$-$0.007  &$-$0.003 &  +0.005&  3   & 0.079  &  &  	 0.079  	     &   0.080 &\\
%NGC 6171&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.002   &$-$0.001  &  +0.001 &$-$0.055& 37   & 0.025  &  &  	 0.060  	     &   0.060 &NGC 6171\\
$[$Fe/H$]$II&   $-$0.001   &  +0.020  &  +0.012 &$-$0.027&  2   & 0.109  &  &  	 0.112  	     &   0.115 &\\
$[$O/Fe$]$  &   $-$0.001   &  +0.018  &  +0.014 &  +0.059&  1   & 0.154  &  &  	 0.165  	     &   0.166 &\\
$[$Na/Fe$]$ &     +0.000   &$-$0.008  &$-$0.001 &  +0.032&  3   & 0.089  &  &  	 0.095  	     &   0.095 &\\
%NGC 6254&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.004   &$-$0.002  &$-$0.005 &$-$0.023& 25   & 0.026  &  &  	 0.035  	     &   0.035 &NGC 6254\\
$[$Fe/H$]$II&   $-$0.001   &  +0.016  &  +0.007 &$-$0.008&  2   & 0.091  &  &  	 0.091  	     &   0.093 &\\
$[$O/Fe$]$  &   $-$0.003   &  +0.018  &  +0.016 &  +0.026&  1   & 0.129  &  &  	 0.132  	     &   0.134 &\\
$[$Na/Fe$]$ &   $-$0.002   &$-$0.004  &  +0.000 &  +0.020&  3   & 0.074  &  &  	 0.077  	     &   0.077 &\\
%NGC 6388&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.003   &  +0.007  &  +0.014 &$-$0.084& 19   & 0.037  &  &  	 0.092  	     &   0.093 &NGC 6388\\
$[$Fe/H$]$II&   $-$0.013   &  +0.025  &  +0.033 &$-$0.044&  2   & 0.114  &  &  	 0.123  	     &   0.130 &\\
$[$O/Fe$]$  &   $-$0.001   &  +0.011  &  +0.014 &  +0.086&  2   & 0.114  &  &  	 0.143  	     &   0.144 &\\
$[$Na/Fe$]$ &     +0.004   &$-$0.015  &$-$0.001 &  +0.027&  3   & 0.093  &  &  	 0.097  	     &   0.098 &\\
%NGC 6397&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.004   &$-$0.001  &$-$0.001 &$-$0.031& 16   & 0.038  &  &  	 0.049  	     &   0.049 &NGC 6397\\
$[$Fe/H$]$II&   $-$0.001   &  +0.015  &  +0.003 &$-$0.010&  1   & 0.153  &  &  	 0.153  	     &   0.154 &\\
$[$O/Fe$]$  &   $-$0.003   &  +0.017  &  +0.010 &  +0.034&  1   & 0.153  &  &  	 0.157  	     &   0.158 &\\
$[$Na/Fe$]$ &   $-$0.002   &$-$0.002  &  +0.000 &  +0.031&  2   & 0.108  &  &  	 0.112  	     &   0.112 &\\
%NGC 6809&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.006   &$-$0.002  &$-$0.005 &$-$0.030& 23   & 0.027  &  &  	 0.041  	     &   0.041 &NGC 6809\\
$[$Fe/H$]$II&   $-$0.002   &  +0.016  &  +0.006 &$-$0.008&  2   & 0.091  &  &  	 0.091  	     &   0.093 &\\
$[$O/Fe$]$  &   $-$0.004   &  +0.017  &  +0.015 &  +0.034&  1   & 0.128  &  &  	 0.132  	     &   0.134 &\\
$[$Na/Fe$]$ &   $-$0.003   &$-$0.006  &$-$0.001 &  +0.024&  2   & 0.091  &  &  	 0.094  	     &   0.094 &\\
%NGC 6838&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.005   &  +0.001  &  +0.002 &$-$0.032& 37   & 0.023  &  &  	 0.040  	     &   0.040 &NGC 6838\\
$[$Fe/H$]$II&   $-$0.004   &  +0.020  &  +0.011 &$-$0.016&  3   & 0.080  &  &  	 0.082  	     &   0.085 &\\
$[$O/Fe$]$  &   $-$0.005   &  +0.017  &  +0.010 &  +0.033&  2   & 0.098  &  &  	 0.104  	     &   0.105 &\\
$[$Na/Fe$]$ &   $-$0.001   &$-$0.009  &$-$0.001 &  +0.013&  3   & 0.080  &  &  	 0.081  	     &   0.082 &\\
%NGC 7078&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.005   &$-$0.002  &$-$0.001 &$-$0.026& 13   & 0.030  &  &  	 0.040  	     &   0.040 &NGC 7078\\
$[$Fe/H$]$II&   $-$0.001   &  +0.015  &  +0.004 &$-$0.007&  1   & 0.111  &  &  	 0.111  	     &   0.112 &\\
$[$O/Fe$]$  &   $-$0.003   &  +0.016  &  +0.011 &  +0.036&  1   & 0.111  &  &  	 0.117  	     &   0.118 &\\
$[$Na/Fe$]$ &   $-$0.002   &$-$0.003  &  +0.003 &  +0.023&  2   & 0.078  &  &  	 0.081  	     &   0.081 &\\
%NGC 7099&    	       &	  &	    &	     &      &	     &  &  	        	     &         &\\
$[$Fe/H$]$I &     +0.005   &$-$0.001  &$-$0.001 &$-$0.033& 12   & 0.034  &  &  	 0.048  	     &   0.048 &NGC 7099\\
$[$Fe/H$]$II&   $-$0.001   &  +0.015  &  +0.003 &$-$0.008&  1   & 0.119  &  &  	 0.119  	     &   0.120 &\\
$[$O/Fe$]$  &   $-$0.002   &  +0.016  &  +0.007 &  +0.041&  1   & 0.119  &  &  	 0.126  	     &   0.127 &\\
$[$Na/Fe$]$ &   $-$0.002   &$-$0.003  &  +0.001 &  +0.025&  2   & 0.084  &  &  	 0.088  	     &   0.088 &\\
\hline
\end{tabular}
\end{table}