\begin{table}%t2
%\centering
\par
\caption{\label{mgctab}Number of companions in random samples in units of that in the spectroscopic MGC sample, $\Delta N_{\rm c}$.}
\begin{tabular}{lccc}
\hline\hline \noalign{\smallskip}
$f_{\rm spec}$ & $\sigma_{z_{\rm phot}} = 0.01$ &  $\sigma_{z_{\rm phot}} = 0.02$ &  $\sigma_{z_{\rm phot}} = 0.03$\\
\hline
0      & $1.04 \pm 0.13$ & $1.24 \pm 0.12$ & $1.36 \pm 0.14$ \\
0.2    & $0.92 \pm 0.12$ & $1.06 \pm 0.13$ & $1.19 \pm 0.12$ \\
0.4    & $0.89 \pm 0.12$ & $0.93 \pm 0.12$ & $1.03 \pm 0.13$ \\
0.6    & $0.90 \pm 0.12$ & $0.93 \pm 0.12$ & $0.95 \pm 0.12$ \\
0.8    & $0.91 \pm 0.12$ & $0.96 \pm 0.12$ & $0.96 \pm 0.12$ \\
\hline
\end{tabular} 
\end{table}