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Table 3

Results of fits of the average spectrum of the full sample and its subsamples with gsmooth ⊗ (pha × pex+gauss).

Sample χ2/ν(c) χ2/ν(g) 1 − P(Δν,Δχ2) N H Γ R E σ EW  ⟨ z ⟩ 
1022 cm-2 – keV eV eV erg s-1
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12)
Full 133.4/95 87.0/94 9 × 10-12 (6.8σ)  ≡6.4  ≡0 95 ± 22 1.34 43.74
86.2/93 [0.4 (0.9σ)] 0.36 ± 0.22  ≡6.4 107 ± 50
87.0/93 [1 (0σ)] 0.36 ± 0.21 1.63 ± 0.06 6.4 ± 0.20  ≡0 94 ± 22
85.9/92 [0.6 (0.52σ)] 0.36 ± 0.21 1.63 ± 0.05 6.44 109 ± 44
Unabs 139.2/95 108.7/94 3 × 10-8 (5.5σ) <0.82 1.87 ± 0.03 1.0 ± 0.4  ≡6.4  ≡0 107 ± 32 1.27 43.78
108.7/93 [1 (0σ)] <0.82 1.87 ± 0.03  ≡6.4 107 ± 32
108.7/93 [1 (0σ)] <0.82 1.87 ± 0.03  ≡0 107 ± 32
108.7/92 [1 (0σ)] <0.82 1.88 ± 0.03 107 ± 32
Abs 109.4/95 94.2/94 1 × 10-4 (3.9σ) 3.67 ± 0.55 1.49 ± 0.08  ≡6.4  ≡0 77 ± 34 1.28 43.74
85.4/93 [3 × 10-3 (3σ)] 3.39 ± 0.53 1.39 ± 0.08  ≡6.4 243 ± 123
94.2/93 [1 (0σ)] 3.67 ± 0.55 6.4 ± 0.2  ≡0 77 ± 32
85.6/92 [3 × 10-3 (2.9σ)] 3.42 ± 0.54 1.39 ± 0.08 6.47 ± 0.20 239 ± 109
z < 1 112.6/95 97.0/94 8 × 10-5 (3.9σ) 0.86 ± 0.40 1.58 ± 0.08  ≡6.4  ≡0 167 ± 67 0.64 43.21
94.0/93 [0.08 (1.7σ)] 0.92 ± 0.40 1.56 ± 0.08  ≡6.4 81 ± 34
94.0/93 [0.08 (1.7σ)] 0.92 ± 0.40 1.56 ± 0.08  ≡0 81 ± 34
94.0/92 [0.22 (1.2σ)] 0.92 ± 0.40 1.56 ± 0.08 81 ± 34
z ≥ 1 109.9/95 78.5/94 2 × 10-8 (5.6σ) <0.24 1.63 ± 0.06  ≡6.4  ≡0 114 ± 30 1.80 44.07
76.2/94 [0.1 (1.5σ)] <0.32 1.60 ± 0.05  ≡6.4 114 ± 42
78.5/93 [1 (0σ)] <0.441  ≡0 150 ± 40
76.2/92 [0.32 (1σ)] <0.32 150 ± 55
Sey 129.9/95 93.9/94 2 × 10-9 (6σ) 1.58 ± 0.07  ≡6.4  ≡0 103 ± 27 0.91 43.35
90.6/93 [0.066 (1.84σ)] <0.47 1.51 ± 0.07  ≡6.4 293 ± 102
93.9/93 [1 (0σ)] 1.58 ± 0.07 6.40  ≡0 103 ± 27
90.4/92 [0.17 (1.4σ)] <0.56 1.51 ± 0.06 425 ± 187 289 ± 96
QSO 204.2/95 178.2/94 3 × 10-7 (5.10σ)  ≡6.4  ≡0 119 ± 30 2.02 44.34
166.6/93 [5.3 × 10-4 (3.5σ)] 0.20 ± 0.15 1.65 ± 0.04  ≡6.4 88 ± 32
167.3/93 [9 × 10-4 (3.3σ)] 0.24 ± 0.15 1.68 ± 0.4 6.40  ≡0 75 ± 22
164.9/92 [0.0013 (3.22σ)] 0.19 ± 0.15 1.65 ± 0.04 6.34 93 ± 31

Notes. Columns: (1) sample; (2) χ2/d.o.f. of the fit with the continuum; (3) χ2/d.o.f. of the fit with the continuum and the Gaussian; (4) probability P(Δχ2,Δν) (of adding the Gaussian to the model and of leaving each parameter free to vary, see text); (5) intrinsic column density estimated in the fits; (6) slope of the powerlaw; (7) reflection factor; (8) central energy of the Gaussian; (9) σ of the Gaussian; (10) EW of the Gaussian; Cols. 11 (average redshift of the sample) and 12 (average logarithmic luminosity of the sample in erg s-1), are repeated from Table 1 for reference.

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