\begin{table}%T9
\caption{Physical properties of the X-ray halo of \vinef\ with different volume filling factors and
 metallicities of the X-ray emitting plasma.}
\label{tabhalopar}
%\centering
\par
\begin{tabular}{lllll} 
\hline\hline
Plasma metallicity $Z$/$Z_\odot$ & 0.1 & 0.1 & 1 & 1\\
Volume filling factor $f$ & 1 & 0.2 & 1 & 0.2\\ \hline
Temperature $kT$/keV & $\rm 0.19^{+0.07}_{-0.08}$ & $\rm 0.19^{+0.07}_{-0.08}$ & 
$\rm 0.18^{+0.07}_{-0.08}$ & $\rm 0.18^{+0.07}_{-0.08}$\\
Luminosity $L_{\rm X}$/(10$^{38}$ erg s$^{-1}$) & $4\pm2$ & $4\pm2$ & $4\pm2$ & $4\pm2$\\
Electron density $n$/(10$^{-2}$~cm$^{-3}$) & $1.6\pm0.6$ & $3.6\pm1.3$ & $0.7\pm0.2$ & $1.6\pm0.6$\\
X-ray halo mass $M$/(10$^6~M_\odot$) & $4.3\pm1.5$ & $1.9\pm0.6$ & $1.9\pm0.6$ & $0.8\pm0.2$\\
Cooling time $\tau$/(10$^8$ yr) & $\rm 3.8^{+5.9}_{-2.1}$ & $\rm 1.7^{+2.7}_{-1.0}$ & 
$\rm 1.6^{+2.5}_{-0.9}$ & $\rm 0.7^{+1.2}_{-0.5}$\\
Thermal energy $E_{\rm th}$/(10$^{54}$ erg) & $\rm 1.6^{+1.6}_{-1.2}$ & $\rm 0.7^{+0.7}_{-0.5}$ & 
$\rm 1.0^{+1.0}_{-0.8}$ & $\rm 0.4^{+0.4}_{-0.3}$\\
Pressure $P$/(10$^{-12}$ dyn cm$^{-2}$) & $9.7\pm6.7$ & $22\pm15$ & $4.0\pm2.7$ & $8.9\pm6.2$\\
\hline
\end{tabular}
\end{table}