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Table 3

Best-fitting parameters.

Parameter Model A Model B Units
NHGala 0.0487 0.0487 1022 cm-2
Primary and reflected components: plcabs+pexrav+zgauss+zgauss+zgauss
NH abs b 1.58 1.63 ± 0.10 1024 cm-2
Γ c 1.75 ± 0.08 1.82 ± 0.07
Normplcabsd 136 156 104 ph keV-1 cm-2 s-1
Normpexrave 16 ± 6 36 104 ph keV-1 cm-2 s-1
FeKα Energyf 6.399 6.399 keV
FeKβ Energyf 7.00 ± 0.04 7.01 keV
Nickel Energyf 7.48 ± 0.06 7.48 keV
FeKαEWg 0.33 0.31 keV
FeKβEWg 0.04± 0.01 0.04± 0.01 keV
Nickel EWg 0.09 0.11 keV
Cold component: wabscold×vmekalcold
NH cold h 0.07 0.10 ± 0.05 1022 cm-2
kT cold i 0.59 0.61 keV
abOcoldl 0.35 0.33
abFecoldl 0.17 0.17
Normcoldm 3.7 4.8 104 ph keV-1 cm-2 s-1
Medium-temperature component: wabsmed×mekalmed
N H med h 0.97 1.2 ± 0.1 1022 cm-2
kT med i 0.85 0.96 ± 0.06 keV
abmedl 1(fixed) 2.1
Normmedm 6.5 6.1 104 ph keV-1 cm-2 s-1
Hot component: wabs hot × pshock hot wabs hot × mekal hot
N H hot h = N H med = N H med 1022 cm-2
kT hot i 7.3 3.1 keV
abhotl =abmed =abmed
Normhotm 7.1± 0.5 6.1 ± 0.8 104 ph keV-1 cm-2 s-1
τ u hot n 4.4 1011 s cm-3
FPMB/FPMAo 1.01 ± 0.03 1.01
FPMA/PNo 0.88 ± 0.04 0.88 ± 0.04
FPMA/MOSo 0.94 0.94
FPMA/ACIS-So 1.00 1.00
χ2/d.o.f. 1016.2/1035 1028.8/1035
/χ2 prob. 0.982/66% 0.994/55%
Luminosityp
plcabs (2−10 keV) 7.0 7.1 1043 erg s-1
plcabs (10−40 keV) 8.6 7.9 1043 erg s-1
plcabs (2−78 keV) 21.8 20.5 1043 erg s-1
pexrav (2−10 keV) 0.06 ± 0.02 0.11 ± 0.02 1043 erg s-1
pexrav (10−40 keV) 0.64 ± 0.21 1.06 1043 erg s-1
kThot (2−10 keV) 0.14 0.09± 0.01 1043 erg s-1

Notes. Best-fit values with uncertainties at the 90% confidence level for one parameter of interest (Δχ2 = 2.706) for model A and B.

(a)

Fixed Galactic Column density NH;

(b)

column density NH absorbing the direct power law;

(c)

direct power-law photon index;

(d)

normalization at 1 keV of the direct power law;

(e)

normalization at 1 keV of the reflection component;

(f)

rest-frame line energy;

(g)

line equivalent width;

(h)

column density;

(i)

plasma temperature;

(l)

metal abundances;

(m)

normalization of the thermal components;

(n)

upper limit on ionization timescales. The subscripts cold, med, hot in h, i, l, m, and n indicate the cold, medium-temperature, and hot thermal components, respectively (see Sect. 4.1).

(o)

Normalization factors with respect to the FPMA spectrum;

(p)

intrinsic luminosities.

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