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Table 3

Results of fits of the average spectrum of the full sample and its subsamples.

Sample χ2/d.o.f.(s) χ2/d.o.f.(g) P1 P2 E σ EW  ⟨ z ⟩   ⟨ L43 ⟩  N h,22
% %  keV  eV  eV 1043 erg s-1 1022 cm-2
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
Total 47.50/28 23.74/27  >99.99 6.4 0 74 ± 24 1.15 13.80 1.75
21.98/26  >99.99  <90 6.4  <138 94 ± 30
23.74/26  >99.99  <90 6.40 ± 0.10 0 73 ± 25
21.98/25  >99.99  <90 6.40 ± 0.10  <123 92 ± 28
log (NH) > 21.5 35.61/28 21.66/27  >99.73 6.4 0 85 ± 35 1.15 14.11 3.93
21.15/26  >99.73  <90 6.4  <123 100 ± 45
21.42/26  >99.73  <90 6.28 ± 0.02 0 92 ± 41
21.22/25  >99.73  <90 6.40 ± 0.30  <151 91 ± 39
log (NH) < 21.5 53.03/28 39.38/27  >99.73 6.4 0 73 ± 32 1.14 13.55 0.045
38.18/26  >99.73  <90 6.4  <189 100 ± 43
37.41/26  >99.73  <90 6.50 ± 0.10 0 85 ± 36
37.15/25  >99.73  <90 6.50 ± 0.10  <59.6 87 ± 36
L43 < 8 44.26/28 23.96/27  >99.99 6.4 0 89 ± 32 0.85 2.89 1.64
23.70/26  >99.99  <90 6.4  <72 97 ± 35
23.96/26  >99.99  <90 6.4 ± 0.1 0 89 ± 32
23.56/25  >99.73  <90 6.4 ± 0.9  <68 97 ± 34
L43 > 8 42.59/28 36.42/27  >95.4 6.4 0 59 ± 38 1.597 30.20 1.91
36.41/26  ~95.4  <90 6.4  <7 58 ± 39
36.42/26  >90.0  <90 6.4 ± 0.2 0 58 ± 39
34.86/25  >90.0  <90 6.30 ± 0.20  <7 75 ± 45
z < 1.005 52.34/28 35.26/27  >99.99 6.4 0 80 ± 32 0.704 5.43 1.28
34.21/26  >99.73  <90 6.4  <100 94 ± 37
33.69/26  >99.99  <90 6.50 ± 0.10 0 92 ± 35
33.28/25  >99.73  <90 6.45 ± 0.10  <101 99 ± 37
z > 1.005 29.56/28 19.77/27  >99.73 6.4 0 71 ± 37 1.617 22.5 2.24
19.45/26  >99.73  <90 6.4  <120 86 ± 44
19.77/26  >99.73  <90 6.40 ± 0.15 0 71 ± 37
18.66/25  >99.73  <90 6.30 ± 0.10  <76 85 ± 43
L43 < 14.3, z < 0.76 42.01/28 23.70/27  >99.99 6.4 0 108 ± 42 0.566 2. 1.254
19.23/26  >99.99  >95.4 6.4 240 ± 90 178 ± 63
23.70/26  >99.73  <90 6.40 ± 0.15 0 108 ± 42
19.07/25  >99.99  >90 6.42 ± 0.12 216 ± 50 172 ± 60
z < 0.76 43.28/28 23.04/27  >99.99 6.4 0 108 ± 40 0.573 3.23 1.173
19.04/26  >99.99  ~95.4 6.4 157 ± 30 154 ± 50
23.04/26  >99.99  <90 6.40 ± 0.15 0 109 ± 39
18.72/25  >99.99  <90 6.43 ± 0.11 215 ± 50 170 ± 56
L43 < 14.3, z > 0.76 25.97/28 16.99/27  ~99.7 6.4 0 75 ± 40 1.141 5.58 1.900
16.99/26  >95.4  <90 6.4  <4 75 ± 40
16.99/26  >95.4  <90 6.40 ± 0.10 0 75 ± 40
16.83/25  >95.4  <90 6.43 ± 0.10  <5 76 ± 42
L43 > 14.3, z > 0.76 31.85/28 29.56/27  <90.0 6.4 0  <90 1.803 37.05 2.187
29.56/26  <90.0  <90 6.4  <5  <91
29.09/26  <90.0  <90 0 50 ± 47
26.72/25  <90.0  <90 6.22 ± 0.15  <5 73 ± 53

Notes. L43: luminosity in units of 1043 erg s-1. Columns: (1) sample; (2) χ2/d.o.f. of the fit with simulated continuum model; (3) χ2/d.o.f. of the fit with the same continuum and the Gaussian; (4) probability P(Δχ2,Δν)s,g (of adding the Gaussian to the model, see text); (5) probability P(Δχ2,Δν)g,g0 (of leaving the parameter of the Gaussian free, see text); (6) central energy of the Gaussian; (7) σ after subtracting the intrinsic sigma obtained in the simulations of the Fe line; (8) EW of the Gaussian; (9) average redshift of the sample; (10) average luminosity of the sample in (1043) erg s-1; (11) average column density of the sample in 1022 cm-2.

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