The average soft X-ray spectra of eROSITA active galactic nuclei

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Volume 701 (September 2025)

A&A, 701 (2025) A144

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Table 1.

Spectral fitting results for the phenomenological model of different α_ox, L_UV, λ_Edd or M_BH binnings.

Category	α_ox			log(νL_ν)_UV			log λ_Edd			log M_BH

Subgroup	Low	Med	High	Low	Med	High	Low	Med	High	Low	Med	High
Subgroup	(1.25)	(1.41)	(1.56)	(44.58)	(45.31)	(45.84)	( − 1.39)	( − 0.93)	( − 0.52)	(8.14)	(8.70)	(9.23)
q	$0 . 13_{- 0.01}^{+ 0.01}$ $0.13_{-0.01}^{+0.01}$	$0 . 27_{- 0.02}^{+ 0.02}$ $0.27_{-0.02}^{+0.02}$	$0 . 58_{- 0.05}^{+ 0.06}$ $0.58_{-0.05}^{+0.06}$	$0 . 27_{- 0.02}^{+ 0.03}$ $0.27_{-0.02}^{+0.03}$	$0 . 42_{- 0.12}^{+ 0.06}$ $0.42_{-0.12}^{+0.06}$	$0 . 40_{- 0.05}^{+ 0.07}$ $0.40_{-0.05}^{+0.07}$ ^†	$0 . 13_{- 0.02}^{+ 0.02}$ $0.13_{-0.02}^{+0.02}$	$0 . 33_{- 0.07}^{+ 0.08}$ $0.33_{-0.07}^{+0.08}$	$0 . 52_{- 0.05}^{+ 0.07}$ $0.52_{-0.05}^{+0.07}$	$0 . 32_{- 0.08}^{+ 0.10}$ $0.32_{-0.08}^{+0.10}$	$0 . 36_{- 0.12}^{+ 0.10}$ $0.36_{-0.12}^{+0.10}$	$0 . 25_{- 0.06}^{+ 0.10}$ $0.25_{-0.06}^{+0.10}$
E_cut (keV)	$0 . 36_{- 0.02}^{+ 0.04}$ $0.36_{-0.02}^{+0.04}$	$0 . 62_{- 0.05}^{+ 0.06}$ $0.62_{-0.05}^{+0.06}$	$0 . 69_{- 0.11}^{+ 0.06}$ $0.69_{-0.11}^{+0.06}$	$0 . 63_{- 0.05}^{+ 0.05}$ $0.63_{-0.05}^{+0.05}$	$1 . 79_{- 0.96}^{+ 0.21}$ $1.79_{-0.96}^{+0.21}$	$2 . 00_{- 0.00}^{+ 0.00}$ $2.00_{-0.00}^{+0.00}$ ^†	$0 . 29_{- 0.02}^{+ 0.05}$ $0.29_{-0.02}^{+0.05}$	$0 . 89_{- 0.18}^{+ 0.32}$ $0.89_{-0.18}^{+0.32}$	$0 . 56_{- 0.08}^{+ 0.07}$ $0.56_{-0.08}^{+0.07}$	$0 . 78_{- 0.17}^{+ 0.11}$ $0.78_{-0.17}^{+0.11}$	$2 . 00_{- 1.02}^{+ 0.00}$ $2.00_{-1.02}^{+0.00}$	$0 . 30_{- 0.03}^{+ 1.64}$ $0.30_{-0.03}^{+1.64}$
Γ_SE	$2 . 39_{- 0.01}^{+ 0.02}$ $2.39_{-0.01}^{+0.02}$	$2 . 42_{- 0.02}^{+ 0.02}$ $2.42_{-0.02}^{+0.02}$	$2 . 49_{- 0.13}^{+ 0.26}$ $2.49_{-0.13}^{+0.26}$	$2 . 45_{- 0.02}^{+ 0.02}$ $2.45_{-0.02}^{+0.02}$	$3 . 07_{- 0.34}^{+ 0.17}$ $3.07_{-0.34}^{+0.17}$	$3 . 20_{- 0.17}^{+ 0.20}$ $3.20_{-0.17}^{+0.20}$ ^†	$2 . 42_{- 0.02}^{+ 0.02}$ $2.42_{-0.02}^{+0.02}$	$2 . 53_{- 0.15}^{+ 0.17}$ $2.53_{-0.15}^{+0.17}$	$2 . 43_{- 0.04}^{+ 0.09}$ $2.43_{-0.04}^{+0.09}$	$2 . 56_{- 0.06}^{+ 0.05}$ $2.56_{-0.06}^{+0.05}$	$3 . 00_{- 0.34}^{+ 0.24}$ $3.00_{-0.34}^{+0.24}$	$2 . 47_{- 0.02}^{+ 1.30}$ $2.47_{-0.02}^{+1.30}$
Γ_PC	$1 . 89_{- 0.01}^{+ 0.02}$ $1.89_{-0.01}^{+0.02}$	$1 . 91_{- 0.02}^{+ 0.02}$ $1.91_{-0.02}^{+0.02}$	$1 . 90_{- 0.04}^{+ 0.04}$ $1.90_{-0.04}^{+0.04}$	$1 . 95_{- 0.02}^{+ 0.02}$ $1.95_{-0.02}^{+0.02}$	$1 . 88_{- 0.03}^{+ 0.03}$ $1.88_{-0.03}^{+0.03}$	$1 . 87_{- 0.02}^{+ 0.02}$ $1.87_{-0.02}^{+0.02}$ ^†	$1 . 92_{- 0.02}^{+ 0.02}$ $1.92_{-0.02}^{+0.02}$	$1 . 87_{- 0.05}^{+ 0.04}$ $1.87_{-0.05}^{+0.04}$	$1 . 91_{- 0.04}^{+ 0.04}$ $1.91_{-0.04}^{+0.04}$	$2 . 06_{- 0.06}^{+ 0.06}$ $2.06_{-0.06}^{+0.06}$	$1 . 89_{- 0.06}^{+ 0.05}$ $1.89_{-0.06}^{+0.05}$	$1 . 95_{- 0.04}^{+ 0.02}$ $1.95_{-0.04}^{+0.02}$
n_H (10²⁰cm⁻²)	$1 . 05_{- 1.05}^{+ 0.30}$ $1.05_{-1.05}^{+0.30}$	$0 . 29_{- 0.29}^{+ 0.28}$ $0.29_{-0.29}^{+0.28}$	$1 . 72_{- 1.72}^{+ 0.54}$ $1.72_{-1.72}^{+0.54}$	$0 . 31_{- 0.31}^{+ 0.15}$ $0.31_{-0.31}^{+0.15}$	$1 . 24_{- 1.24}^{+ 0.62}$ $1.24_{-1.24}^{+0.62}$	$0 . 66_{- 0.66}^{+ 1.98}$ $0.66_{-0.66}^{+1.98}$ ^†	$2 . 19_{- 0.55}^{+ 0.52}$ $2.19_{-0.55}^{+0.52}$	$0 . 07_{- 0.07}^{+ 0.68}$ $0.07_{-0.07}^{+0.68}$	$1 . 02_{- 1.02}^{+ 0.52}$ $1.02_{-1.02}^{+0.52}$	$0 . 48_{- 0.48}^{+ 0.48}$ $0.48_{-0.48}^{+0.48}$	$1 . 69_{- 0.74}^{+ 0.70}$ $1.69_{-0.74}^{+0.70}$	$5 . 84_{- 1.77}^{+ 1.61}$ $5.84_{-1.77}^{+1.61}$
PG stat/d.o.f.	0.93	1.10	0.93	1.08	1.18	1.07^†	0.96	1.00	1.00	0.96	0.95	0.96
N_src	5976	5976	5977	5976	5976	5977	1390	1390	1390	1390	1390	1390
C_{0.2 − 10}	7 × 10⁵	7 × 10⁵	7 × 10⁵	8 × 10⁵	7 × 10⁵	6 × 10⁵	1 × 10⁵	1 × 10⁵	1 × 10⁵	1 × 10⁵	1 × 10⁵	1 × 10⁵

Notes. The numbers in parenthesis for the subgroups indicate the median value of α_ox, L_UV, λ_Edd or M_BH. We also list the number of sources (N_src) and rest-frame 0.2 − 10 keV counts C_{0.2 − 10} in each subgroup. ^( † )Ignoring 0.3 − 0.4 keV due to very low source completeness (< 5%) in this energy range.

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