\begin{table}%t4
\caption{\label{tab:cor}Fitting results for the ERDF, determined using an appropriate Eddington ratio selection function, assuming different values for the low mass slope $\alpha_{\rm BH}$ of the BHMF.}
%\normalsize
%\centering
\par
\begin{tabular}{rrrr} \hline\hline \noalign{\smallskip}
$\alpha_{\rm BH}$ & $\alpha_\er$ & $\log \er_\ast$ & $\chi^2$/d.o.f.\\ 
\hline \noalign{\smallskip}
$-$0.7 & $-$1.51 & $-$0.63 & 1.81 \\ \noalign{\smallskip}
$-$1.2 & $-$1.50 & $-$0.66 & 1.77 \\ \noalign{\smallskip}
$-$1.7 & $-$1.51 & $-$0.69 & 1.73 \\ \noalign{\smallskip}
$-$2.0 & $-$1.55 & $-$0.70 & 1.73 \\ \noalign{\smallskip}
$-$2.2 & $-$1.59 & $-$0.71 & 1.75 \\ \noalign{\smallskip}
$-$2.2 & $-$1.59 & $-$0.71 & 1.75 \\ \noalign{\smallskip}
$-$2.7 & $-$1.79 & $-$0.73 & 1.92 \\ \noalign{\smallskip}
$-$3.0 & $-$1.94 & $-$0.72 & 2.02 \\ \noalign{\smallskip}
$-$3.2 & $-$2.04 & $-$0.71 & 2.02 \\ \noalign{\smallskip}
\hline
\end{tabular} 
\end{table}