\begin{table}%T1
\caption{\label{t:tab1}Error budget of distance moduli based on the Main Sequence Fitting
Method before and after this paper.}
%\centerline
{
\begin{tabular}{lcc}
\hline\hline\noalign{\smallskip}
Effect/involved error               & $\Delta(m-M)$ & $\Delta(m-M)$ \\
                                    & Before & After \\
\hline
%\\
\multicolumn{3}{c}{Local sample properties}\\
%\\
Parallax error                      & $\pm 0.01$ &  $\pm 0.01$ \\
Malmquist bias                      & negligible &  negligible \\
Lutz-Kelker correction              & $\pm 0.02$ &  $\pm 0.02$ \\
%\\
\multicolumn{3}{c}{Binary contamination}\\
%\\
Field binaries                      & $\pm 0.02$ &  $\pm 0.02$ \\
Cluster binaries                    & $\pm 0.02$ &  $\pm 0.02$ \\
%\\
\multicolumn{3}{c}{Systematic differences}\\
%\\
Phot. calibrations (0.01~mag) & $\pm 0.04$ &  $\pm 0.04$ \\
Reddening scale (0.015~mag)         & $\pm 0.07$ &  $\pm 0.035$ \\
Metallicity scale (0.1 dex)         & $\pm 0.08$ & (*) \\
%\\
Total Uncertainty                   & $\pm 0.12$ & $\pm 0.07$ \\
\hline
\end{tabular}}
\smallskip
(*) The effect of an error in the metallicity were included into the error
bar due to reddening (see text).
\end{table}