\begin{table}%t1
\caption{\label{tab:qvalues}Values of $q$ for different covariance models.}
%\centering
\small
\begin{tabular}{l l}
\hline \hline
& \\[-8pt]
Parameters used for the covariance& $q$ $[10^{-4}]$ \\ 
\hline
$\om = 0.25$, $\sig=0.9$ & 1.03\\ 
$\om = 0.2$, $\sig=0.6$& 0.28 \\
$\om = 0.4$, $\sig=1.0$& 3.30\\ 
\hline
$\om =  0.259$, $\sig=0.796$ (WMAP5 68\% CL mean)&0.75\\ 
$\om =  0.237$, $\sig=0.740$ (WMAP5 68\% CL min)& 0.56\\ 
$\om =  0.274$, $\sig=0.850$ (WMAP5 68\% CL max)& 1.02\\ 
\hline
$\om =  0.226$, $\sig=0.700$ (WMAP5 95\% CL min)& 0.45\\ 
$\om =  0.288$, $\sig=0.885$ (WMAP5 95\% CL max)& 1.24\\ 
\hline
\end{tabular}
\end{table}