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Table 2

Best-fit parameters obtained by modelling the LR and HR spectra (see text) with one (1T) and two (2T) isothermal components of optically thin plasma, and with one thermal component plus a power-law (1T-Pow).

LR spectrum 1T 2T 1T-Pow

T1 (106 K) 2.71 ± 0.01 2.65 ± 0.01 2.65 ± 0.01
EM1 (1046 cm-3) 54.6 ± 1.2 61 ± 2 61 ± 2
T2 (K)
EM2 (1046 cm-3)
Γ
N pow *

χ2 (d.o.f.) 332.5 (93) 89.6 (91) 91.9 (91)

HR pectrum 1T 2T 1T-Pow

T1 (106 K) 3.17 ± 0.01 3.17 ± 0.01
(1046 cm-3)
T2 (K)
EM2* (1046 cm-3)
Γ 8.2 ± 0.3
N pow * 5 ± 2 × 104

χ2 (d.o.f.) 488.3 (93) 102.2 (91) 102.7 (91)

Notes. All errors are at the 90% confidence level.

(*)

Photons/s/keV/cm2 at 1 keV.

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