\begin{table}%t4 \caption{\label{G1G2G3}Count rates and luminosities of Cartwheel companion galaxies.} \par \small%\centerline { \begin{tabular}{c|c|c|cc|c|c|c} \hline\hline & & {{{``Gas''}} } & \multicolumn{2}{|c|}{{{{``Stellar'' component}}}} & & & {{{$\chi^2$ (d.o.f.)}} } \\ & EPIC-pn Count rate & $L_{\rm x}$(0.5--2 keV)/ $kT$ &$L_{\rm x}$(0.5--2 keV) & $L_{\rm x}$ (2--10 keV) & $\Gamma$ & $n_{\rm H}$ & \\ & (0.3--7keV)[s$^{-1}$] & [erg s$^{-1}$]/keV & [erg s$^{-1}$] & [erg s$^{-1}$] & & [cm$^{-2}$] $\times10^{20}$ & \\ \hline {\emph{\textbf{G1}}} & {$(6.4\pm0.3)\times10^{-3}$} & {$(8.6\pm0.9)\times10^{39}$/} & {$(2.1\pm0.3)\times10^{40}$} & {$(1.9\pm0.2)\times10^{40}$} & {1.86[1.26 ~ 2.49]} &{17.[13. ~ 82] } & {0.94(24)} \\ {} & & {0.22[0.16 ~ 0.28]} & & & & & \\ {\emph{\textbf{G1}}} & {\it idem } & {--} & {$(2.4\pm0.2)\times10^{40}$} & {$(1.5\pm0.2)\times10^{40}$} & {2.15[1.8 ~ 2.5]} & {9.[3. ~ 16.] } & {1.09(26)} \\ {\emph{\textbf{G2}}} & {$(2.9\pm0.2)\times10^{-3}$} & {--} & {$(8.1\pm2.1)\times10^{39}$} & {$(5.4\pm1.3)\times10^{39}$} & {2.35[2.06 ~ 2.98]} & {8.9[3.8 ~ 17.8] } & {1.12(16)} \\ {\emph{\textbf{G3}}} & {$^{*}(2.6\pm0.9)\times10^{-4}$} & {--} & {$(3.0\pm1.0)\times10^{39}$} & {$(1.9\pm0.7)\times10^{39}$} & {2.15} & {9.0} & \\ \hline \end{tabular}} \par \medskip Results for G1 are given for both 2 model components (1st line) and single power law (2nd line). {$^{*}$ Count rate for G3 is from MOS1+MOS2.} \end{table}