\begin{table}%t3
\caption{\label{tab:zeropt}Parameter means and 68\%-confidence intervals when, respectively, ignoring and taking into account the systematic errors in the form of photometric zero-point fluctuations, see Sect.~\ref{sec:bias_sys}.}
\par
%\centering
\small
\begin{tabular}{c|cc}
\hline\hline
\multicolumn{3}{c}{$w=-1$} \\
      \multicolumn{1}{c}{}     & \multicolumn{1}{c}{With systematics} & Ignoring systematics \\ 
           \hline
&&\\[-8pt]
$\Omegam$  & $\rm 0.34^{+0.21}_{-0.18}$
           & $\rm 0.30^{+0.19}_{-0.16}$ \\
$\Omegade$ & $\rm 0.87^{+0.30}_{-0.27}$
           & $\rm 0.83^{+0.27}_{-0.23}$ \\ 
$\Omegade(\Omegam=0.25)$ & $\rm 0.76^{+0.10}_{-0.12}$
	     & $\rm 0.75^{+0.09}_{-0.09}$ \\[2pt]
\hline
\multicolumn{3}{c}{Flat Universe} \\
\multicolumn{1}{c}{} &\multicolumn{1}{c}{With systematics} & Ignoring systematics \\ 
           \hline
&&\\[-8pt]
$\Omegam$  & $\rm 0.32^{+0.11}_{-0.20}$
           & $\rm 0.31^{+0.11}_{-0.17}$ \\
$w$        & $\rm -1.38^{+0.46}_{-0.91}$
           & $\rm -1.32^{+0.39}_{-0.80}$ \\
$w(\Omegam=0.25)$ & $\rm -1.00^{+0.12}_{-0.12}$
                    & $\rm -1.01^{+0.09}_{-0.10}$ \\[2pt]
\hline
\end{tabular}
\end{table}