\begin{table}%T9
\setcounter{table}{8}
      \caption{\label{complexity}The numbers of objects with the complexity-factors describing the kpc-scale structure.}
            \small%\centering
                                                                          	 \begin{tabular}{ccccccc}
           \hline
            \hline
            \noalign{\smallskip}
              complexity factor& {\bf 0}&{\bf 1}&{\bf 2}&{\bf 3}&{\bf 4}&{\bf 5} \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
            detected by {\it ROSAT}& 49& 12& 35& 27& 20& 15\\
            not detected by {\it ROSAT}& 65& 10& 32& 11& 1& 0\\
            \hline
         \end{tabular}
 \end{table}