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Table 6

Fitting results for the time-selected out-of-dip spectra and for the Chandra average spectrum.

PCA+HEG Chandra (HEG+MEG)
Parameters Pre-dip Post-dip Average out-of-dip

NH (1022 cm-2) 3.7 ± 0.2 3.8 ± 0.2 4.10 ± 0.06
Mg/SI/S/Fe abundance 1.3 ± 0.2 1.4 ± 0.3 1.3
Disk kT (keV) /Comptt kTs (keV) 0.97 ± 0.02 0.98 ± 0.04 1.04 ± 0.05
Disk inner radiusa (km) 15.2 ± 2.7 19 ± 3 18.8 ± 2.8
Disk fluxb (10-9 erg cm-2 s-1) 2.8 4.0 5.5
Comptt kTe (keV) 3.07 ± 0.09 3.10 ± 0.07 3.6 ± 0.4
Comptt τ 8.5 ± 0.3 9.6 ± 0.3 8.5
Comptt fluxb (10-9 erg cm-2 s-1) 13.4 9.2 10.5
Ebroad (keV) 6.6 ± 0.1 6.5 6.4+0.15
Width (keV) 0.2 ± 0.15 0.5-0.2 0.5-0.1
EQW (eV) 50 90 ± 50 45 ± 20
CABSd (1022 cm-2) 47 ± 5 36 ± 8 36 ± 3
Warmabs NH,wa (1022 cm-2) 36 ± 4 28 ± 6 28 ± 2
Warmabs log(ξ) 3.60 ± 0.1 3.66 ± 0.10 3.65 ± 0.05
Warmabs broadening (km s-1) 380 ± 80 450 450
Warmabs blueshift (km s-1) 420 ± 90 500 ± 130 420 ± 60
Constant (PCA/HEG) 1.08 ± 0.01 1.08 ± 0.01
(d.o.f.) 1.06 (2416) 1.08 (1998) 1.08 (7812)

Notes.HEG+1, HEG-1 data combined in the 1.0–10.0 keV band. RXTE/PCA data in the 3.5–25 keV band. Model gpile*constant*tbvarabs*cabs*warmabs*(ezdiskbb+comptt+gau).

(†)

Frozen parameter.

(a)

Assuming a distance of 7 kpc, a hardening factor of 1.7, and an inclination angle of 65°.

(b)

Unabsorbed extrapolated flux in the 0.1100 keV energy range.

(c)

This parameter is tied to be 1.3× the warmabs NH,wa component.

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