Table 9: Physical properties of the X-ray halo of NGC 2903 with different volume filling factors and metallicities of the X-ray emitting plasma.
Plasma metallicity Z/$Z_\odot $ 0.1 0.1 1 1
Volume filling factor f 1 0.2 1 0.2
Temperature kT/keV $\rm0.19^{+0.07}_{-0.08}$ $\rm0.19^{+0.07}_{-0.08}$ $\rm0.18^{+0.07}_{-0.08}$ $\rm0.18^{+0.07}_{-0.08}$
Luminosity $L_{\rm X}$/(1038 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 $\tau$/(108 yr) $\rm 3.8^{+5.9}_{-2.1}$ $\rm 1.7^{+2.7}_{-1.0}$ $\rm 1.6^{+2.5}_{-0.9}$ $\rm0.7^{+1.2}_{-0.5}$
Thermal energy $E_{\rm th}$/(1054 erg) $\rm 1.6^{+1.6}_{-1.2}$ $\rm0.7^{+0.7}_{-0.5}$ $\rm 1.0^{+1.0}_{-0.8}$ $\rm0.4^{+0.4}_{-0.3}$
Pressure P/(10-12 dyn cm-2) $9.7\pm6.7$ $22\pm15$ $4.0\pm2.7$ $8.9\pm6.2$


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