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Table 2

Best fit parameters and errors for the final best fit model.

Model component Parameter RGS value HETGS value Units

Power law Γ a 1.67 ± 0.05 1.68 ± 0.02
L 0.3−10.0 keV b 13.7 ± 0.5 11.4 ± 0.3 1044 erg s-1

Blackbody T BB c 170 ± 15 170 eV
L 0.3−10.0 keV b 1.7 ± 0.8 1.0 ± 0.8 1044 erg s-1

Fe Kαline w d 1.92 1.92 ± 0.08 Å
FWHMe 0.16 0.16 ± 0.13 Å
L Fe Kα line b 7 6 ± 4 1042 erg s-1

O vii (triplet) line w d 21.7 ± 0.1 21.7 Å
FWHMe 1.0 ± 0.3 1.0 Å
L O vii line b 9 ± 3 9 1042 erg s-1

Warm Galactic absorber N H f 2 ± 1 1.2 1020 cm-2
Tg 0.23 ± 0.04 0.20 keV

Intrinsic warm absorber N H f 3.5 ± 0.6 3.1 ± 0.3 1021 cm-2
log ξ h 2.5 ± 0.1 2.57 ± 0.06 erg cm s-1
v out i 3600 3600 ± 70 km s-1

Notes. Parameters without errors were kept coupled in the fit either to the RGS or to the HETGS value.

(a)

Power-law slope.

(b)

Model component luminosity, in the quoted band.

(c)

Blackbody temperature.

(d)

Wavelength of the line centroid.

(e)

Full width at half maximum of the line.

(f)

Absorber column density.

(g)

Absorber temperature.

(h)

Absorber ionization parameter.

(i)

Absorber outflow velocity.

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