\begin{table}%t6
%\centering
\par
\caption{\textrm{Estimated intrinsic and detectable CCSRs within the SDSS
    DR5 survey area and $z<0.056$. Also shown are the rates extended to the PS4 survey area.}\label{PS4_rates}}
    \begin{tabular}{c c c c c}
      \hline\hline
      & \multicolumn{2}{c}{\bf Total sample} & \multicolumn{2}{c}{\bf Detected CCSNe yr$^{-1}$}\\
      \hline
      {\bf 12~+~log(O/H)} & {\bf Galaxies} & {\bf CCSNe yr$^{-1}$} & {\bf SDSS area} & {\bf PS4 area}\\
      \hline
      {\bf No limit} & 42~335 & 372.4 & 249.1 & 1308.0\\
      {\bf $<$8.4} & 12~104 & 24.6 & 18.3 & 95.8\\
      {\bf $<$8.3} & 6053 & 11.6 & 8.6 & 45.2\\
      {\bf $<$8.2} & 2309 & 4.7 & 3.5 & 18.3\\
      {\bf $<$8.1} & 680 & 1.2 & 0.9 & 4.8\\
      \hline
    \end{tabular}  
\end{table}