\begin{table}%T1
\caption{The set of discrete microlensing parameter values which define the grid of synthetic light-curve samples used in this study.} 
\label{parameters}
%\centering
\par
\begin{tabular}{lllllll} 
\hline
\hline
$\Omega_{\rm compact}$: & 0.05 & 0.1 & 0.15 & 0.2 & 0.25 & 0.3\\
$\log M_{\rm compact} \ (M_\odot)$: &$-$5 & $-$4 & $-$3 & $-$2 & $-$1 & 0 \\ 
$\sigma_{\rm v,compact} \ ({\rm km~s^{-1}})$: & 200 & 400 & 600 & & &\\
$\log R_{\rm QSO} \ ({\rm m})$: & 12 & 12.5 & 13 & 13.5 & &\\
\hline
\end{tabular}
\end{table}