Table 3: Best fit parameters to EPIC data using a 3 components MEKAL model (Mewe et al. 1985). The spectral fitting was conducted in the 0.3-5 keV band with the same abundance relative to the Sun for all components.
  Flares period Quiescent period
$N_{\rm H}$ (cm-2) 1018 (frozen) 1018 (frozen)
Z 0.28 $\pm$ 0.02 0.22 $\pm$ 0.01
kT1 (keV) 0.31 $\pm$ 0.02 0.25 $\pm$ 0.01
EM1 (1052 cm-3) 0.85 $\pm$ 0.13 0.59 $\pm$ 0.07
kT2 (keV) 0.71 $\pm$ 0.03 0.61 $\pm$ 0.01
EM2 (1052 cm-3) 1.07 $\pm$ 0.11 1.24 $\pm$ 0.07
kT3 (keV) 1.32 $\pm$ 0.06 1.05 $\pm$ 0.02
EM3 (1052 cm-3) 0.93 $\pm$ 0.09 1.02 $\pm$ 0.07
$\chi^{2}$ 0.87 (204/234 d.o.f.) 1.31 (435/332 d.o.f.)


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