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Home All issues Volume 691 (November 2024) A&A, 691 (2024) A279 Full HTML
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Table 1.

Best-fit spectral model parameters.

Observations
Models Parameters O1 O2
Single-continuum
M1 ztbabs NH (1022 cm−2) 1 . 09 − 0.04 + 0.04 $ 1.09^{+0.04}_{-0.04} $ 0 . 71 − 0.10 + 0.11 $ 0.71^{+0.11}_{-0.10} $
zgauss Eg (keV) 6 . 62 − 0.06 + 0.06 $ 6.62^{+0.06}_{-0.06} $ -
σg (keV) 0 . 19 − 0.05 + 0.05 $ 0.19^{+0.05}_{-0.05} $ -
apec kTe (keV) 2 . 21 − 0.07 + 0.07 $ 2.21^{+0.07}_{-0.07} $ 3 . 62 − 0.41 + 0.48 $ 3.62^{+0.48}_{-0.41} $
Z(Z⊙) 0 . 90 − 0.12 + 0.14 $ 0.90^{+0.14}_{-0.12} $ 1 . 14 − 0.35 + 0.41 $ 1.14^{+0.41}_{-0.35} $
Fit Statistics χ2/d.o.f. 330/287 71/83
M2 ztbabs NH (1022 cm−2) 1 . 16 − 0.04 + 0.05 $ 1.16^{+0.05}_{-0.04} $ -
apec kTe (keV) 2 . 23 − 0.08 + 0.08 $ 2.23^{+0.08}_{-0.08} $
Z(Z⊙) 1 . 01 − 0.13 + 0.17 $ 1.01^{+0.17}_{-0.13} $
laor El 6 . 5 − 0.1 + 0.1 $ 6.5^{+0.1}_{-0.1} $
q(l) 1 . 7 − 0.5 + 0.3 $ 1.7^{+0.3}_{-0.5} $
R in ( l ) ( r g ) $ R_{in}^{(l)} (r_g) $ 1.24(p)
i(°) 86 − 12 + 1 $ 86^{+1}_{-12} $
Fit Statistics χ2/d.o.f. 343/287
M3 ztbabs NH (1022 cm−2) 1 . 16 − 0.05 + 0.05 $ 1.16^{+0.05}_{-0.05} $ -
apec kTe (keV) 2 . 15 − 0.07 + 0.07 $ 2.15^{+0.07}_{-0.07} $
Z(Z⊙) 0 . 91 − 0.12 + 0.12 $ 0.91^{+0.12}_{-0.12} $
kerrdisk q1(k) 1.7(f)
q2(k) 1 . 5 − 0.6 + 0.2 $ 1.5^{+0.2}_{-0.6} $
ak 0 . 25 − 0.06 + 0.54 $ 0.25^{+0.54}_{-0.06} $
Fit Statistics χ2/d.o.f. 334/287
M4 ztbabs NH (1022 cm−2) 1 . 94 − 0.10 + 0.16 $ 1.94^{+0.16}_{-0.10} $ 0 . 65 − 0.13 + 0.14 $ 0.65^{+0.14}_{-0.13} $
zgauss Eg (keV) 0.8(f) -
σg (keV) 0 . 17 − 0.03 + 0.04 $ 0.17^{+0.04}_{-0.03} $ -
xillver Γ 3 . 13 − 0.02 + 0.03 $ 3.13^{+0.03}_{-0.02} $ 1 . 53 − 0.13 + 0.11 $ 1.53^{+0.11}_{-0.13} $
AFe(Z⊙) 2 . 94 − 0.26 + 0.31 $ 2.94^{+0.31}_{-0.26} $ 3 . 14 − 1.32 + 1.19 $ 3.14^{+1.19}_{-1.32} $
log ξ 3 . 65 − 0.08 + 0.13 $ 3.65^{+0.13}_{-0.08} $ 3 . 16 − 0.17 + 0.56 $ 3.16^{+0.56}_{-0.17} $
kTe (keV) 400(p) 5 . 5 − 1.3 + 0.9 $ 5.5^{+0.9}_{-1.3} $
i(°) 87 − 13 + 0 $ 87^{+0}_{-13} $ 78 − 4 + 10 $ 78^{+10}_{-4} $
Fit Statistics χ2/d.o.f. 367/285 78/80
Two-continuum
M5 ztbabs NH (1022 cm−2) 1 . 45 − 0.09 + 0.12 $ 1.45^{+0.12}_{-0.09} $ -
apec1 kTe1 (keV) 0 . 82 − 0.22 + 0.12 $ 0.82^{+0.12}_{-0.22} $
Z1(Z⊙) 0 . 14 − 0.06 + 0.07 $ 0.14^{+0.07}_{-0.06} $
apec2 kTe2 (keV) 2 . 57 − 0.12 + 0.11 $ 2.57^{+0.11}_{-0.12} $
Z2(Z⊙) 2 . 17 − 0.30 + 0.35 $ 2.17^{+0.35}_{-0.30} $
Fit Statistics χ2/d.o.f. 329/287
M6 ztbabs NH(1022 cm−2) 1 . 43 − 0.08 + 0.06 $ 1.43^{+0.06}_{-0.08} $ 0 . 64 − 0.10 + 0.16 $ 0.64^{+0.16}_{-0.10} $
apec kTe (keV) 2 . 28 − 0.11 + 0.08 $ 2.28^{+0.08}_{-0.11} $ –
Z(Z⊙) 2 . 12 − 0.32 + 0.39 $ 2.12^{+0.39}_{-0.32} $ –
relxill i ( ° ) 82 − 6 + 2 $ 82^{+2}_{-6} $ 86 − 17 + 0 $ 86^{+0}_{-17} $
Γ 2 . 52 − 0.16 + 0.24 $ 2.52^{+0.24}_{-0.16} $ 1 . 46 − 0.11 + 0.10 $ 1.46^{+0.10}_{-0.11} $
log ξ 2 . 69 − 0.24 + 0.19 $ 2.69^{+0.19}_{-0.24} $ 3 . 28 − 0.39 + 0.68 $ 3.28^{+0.68}_{-0.39} $
AFe(Z⊙) 2 . 85 − 0.72 + 0.66 $ 2.85^{+0.66}_{-0.72} $ 0.5(p)
Ecut (keV) 400(f) 5.5(f)
Fit Statistics χ2/d.o.f. 324/285 84/81

Notes. Best-fit M1–M6 spectral model parameters of 4C+37.11. Here, (f) and (p) denote the frozen parameters and those pegged at the upper hard limits of the parameter values. The (l) and (k) denote qcrlaor and qcrkerrdisk model parameters, respectively. NH and σg denote the neutral hydrogen column density in the qcrztbabs model and the Fe K line width in the qcrzgauss model. See text for the details.

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