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Table 3.

Values and corresponding uncertainties for the best-fit parameters are shown.

Model Parameter Obs. 1 Obs. 2
TBabs NH 0.056 0.056

xillver Γ 1.66 ± 0.04 2.07 ± 0.06
log ξ
R 1.0 ± 0.5 1.0 ± 0.4
Norm (×10−5) 1.5 ± 0.2 2.0 ± 0.1

WA log ξ 2.00 ± 0.05 1.50 ± 0.07
NH (×1022 cm−2) 7.0 ± 1.0 4.0 ± 0.5
vout/c < 0.005 < 0.004
vout (km s−1) < 1500 < 1100
Δχ2/d.o.f. 482/3 1171/3

Abs1 log ξ 3.4 ± 0.1
NH (×1023 cm−2)
vout/c 0.017 ± 0.04
vout (km s−1) 5300 ± 900
Δχ2/d.o.f. 23/3

Abs2 log ξ 3.4 ± 0.3
vH (×1023 cm−2)
vout/c 0.23 ± 0.02
vout (km s−1) 74000 ± 10 000
Δχ2/d.o.f. 14/3

Notes. The overall fit statistics are Δχ2 = 170 for 168 d.o.f. The Δχ2 and the corresponding variation of degrees of freedom are also reported. For Abs1 and Abs2, the turbulence velocities are 300 km s−1 and 10 000 km s−1, respectively.

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