\begin{table}%t1
%\centering
\par
\caption{Grid of explored cosmological parameters; for $H_0$ we adopt
a log-periodic binning, $H_0(i+1) = H_0(i) \times 1.15$.\label{grid_table}}
\begin{tabular}{ccccccc}
\hline\hline
 & $w_\QUINT$&$\OQ$&$100\;\Obhh $&$H_0$&$n$&$\sig$\\
\hline
Min. & --1.0   & 0.0  & 0.915  & 25    & 0.750 &  0.1  \\
Max. & --0.1   & 1.0  & 3.47  & 101   & 1.25 &  1.3 \\
Step & 0.1   & 0.1  & 0.366  & $\times$1.15 & 0.015 & 0.022 \\
\hline
\end{tabular}
\end{table}