\begin{table}%t4
\caption{
Intrinsic $i-K_{\rm s}$ color scatter around the red sequence
as a function of $K_{\rm s}$ band magnitude.
}
\label{tab:color_scatter}
%\centering
\par
\begin{tabular}{l c c}
\hline\hline
magnitude  & clump~1+2  & clump~3+4 \\
\hline
$19.3$--$20.3$ & $\rm 0.281^{+0.040}_{-0.021}$ & $\rm 0.313^{+0.042}_{-0.025}$ \\
$20.3$--$21.3$ & $\rm 0.256^{+0.024}_{-0.025}$ & $\rm 0.248^{+0.027}_{-0.052}$ \\
$21.3$--$22.3$ & $\rm 0.297^{+0.030}_{-0.034}$ & $\rm 0.417^{+0.066}_{-0.079}$ \\
$22.3$--$23.3$ & $\rm 0.297^{+0.049}_{-0.055}$ & $\rm 0.338^{+0.064}_{-0.079}$ \\	
\hline
\end{tabular}
\end{table}