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 2.

Spectral fitting results for the physical model (AGNSED).

BH-mass range	log M_BH ∈ [8.0, 8.5]			log M_BH ∈ [8.5, 9.0]			log M_BH ∈ [9.0, 9.5]

⟨log M_BH⟩	8.38	8.28	8.25	8.79	8.73	8.73	9.20	9.21	9.16
⟨log λ_Edd⟩	−1.43	−0.95	−0.49	−1.54	−1.02	−0.52	−1.58	−1.01	−0.48
R_WC (r_g)	$56_{- 7}^{+ 5}$ $56_{-7}^{+5}$	$147_{- 6}^{+ 7}$ $147_{-6}^{+7}$	$216_{- 7}^{+ 9}$ $216_{-7}^{+9}$	$173_{- 11}^{+ 12}$ $173_{-11}^{+12}$	$100_{- 3}^{+ 10}$ $100_{-3}^{+10}$	$152_{- 4}^{+ 4}$ $152_{-4}^{+4}$	$126_{- 8}^{+ 9}$ $126_{-8}^{+9}$	$39_{- 5}^{+ 6}$ $39_{-5}^{+6}$	$97_{- 19}^{+ 15}$ $97_{-19}^{+15}$ ^†
R_HC (r_g)	$39_{- 4}^{+ 2}$ $39_{-4}^{+2}$	$17_{- 1}^{+ 0}$ $17_{-1}^{+0}$	$11_{- 0}^{+ 0}$ $11_{-0}^{+0}$	$26_{- 2}^{+ 2}$ $26_{-2}^{+2}$	$17_{- 1}^{+ 1}$ $17_{-1}^{+1}$	$11_{- 0}^{+ 0}$ $11_{-0}^{+0}$	$28_{- 2}^{+ 3}$ $28_{-2}^{+3}$	$20_{- 1}^{+ 1}$ $20_{-1}^{+1}$	$11_{- 0}^{+ 1}$ $11_{-0}^{+1}$ ^†
kT_WC (keV)	$0 . 14_{- 0.02}^{+ 0.03}$ $0.14_{-0.02}^{+0.03}$	$0 . 12_{- 0.02}^{+ 0.03}$ $0.12_{-0.02}^{+0.03}$	$0 . 15_{- 0.02}^{+ 0.03}$ $0.15_{-0.02}^{+0.03}$	$0 . 12_{- 0.02}^{+ 0.02}$ $0.12_{-0.02}^{+0.02}$	$0 . 91_{- 0.60}^{+ 0.09}$ $0.91_{-0.60}^{+0.09}$	$0 . 21_{- 0.04}^{+ 0.15}$ $0.21_{-0.04}^{+0.15}$	$0 . 10_{- 0.00}^{+ 0.01}$ $0.10_{-0.00}^{+0.01}$	$0 . 12_{- 0.01}^{+ 0.02}$ $0.12_{-0.01}^{+0.02}$	$0 . 13_{- 0.02}^{+ 0.03}$ $0.13_{-0.02}^{+0.03}$ ^†
Γ_WC	$2 . 25_{- 0.00}^{+ 0.00}$ $2.25_{-0.00}^{+0.00}$	$2 . 94_{- 0.10}^{+ 0.06}$ $2.94_{-0.10}^{+0.06}$	$3 . 03_{- 0.13}^{+ 0.09}$ $3.03_{-0.13}^{+0.09}$	$2 . 50_{- 0.06}^{+ 0.09}$ $2.50_{-0.06}^{+0.09}$	$2 . 85_{- 0.09}^{+ 0.07}$ $2.85_{-0.09}^{+0.07}$	$2 . 94_{- 0.14}^{+ 0.08}$ $2.94_{-0.14}^{+0.08}$	$2 . 50_{- 0.10}^{+ 0.08}$ $2.50_{-0.10}^{+0.08}$	$2 . 25_{- 0.00}^{+ 0.13}$ $2.25_{-0.00}^{+0.13}$	$2 . 81_{- 0.10}^{+ 0.13}$ $2.81_{-0.10}^{+0.13}$ ^†
Γ_HC	$2 . 02_{- 0.03}^{+ 0.03}$ $2.02_{-0.03}^{+0.03}$	$2 . 16_{- 0.04}^{+ 0.03}$ $2.16_{-0.04}^{+0.03}$	$2 . 21_{- 0.07}^{+ 0.06}$ $2.21_{-0.07}^{+0.06}$	$1 . 96_{- 0.06}^{+ 0.03}$ $1.96_{-0.06}^{+0.03}$	$1 . 82_{- 0.12}^{+ 0.13}$ $1.82_{-0.12}^{+0.13}$	$1 . 98_{- 0.17}^{+ 0.09}$ $1.98_{-0.17}^{+0.09}$	$1 . 87_{- 0.03}^{+ 0.03}$ $1.87_{-0.03}^{+0.03}$	$1 . 99_{- 0.04}^{+ 0.03}$ $1.99_{-0.04}^{+0.03}$	$2 . 02_{- 0.03}^{+ 0.05}$ $2.02_{-0.03}^{+0.05}$ ^†
n_H (10²⁰ cm⁻²)	$0 . 21_{- 0.21}^{+ 0.88}$ $0.21_{-0.21}^{+0.88}$	$1 . 24_{- 0.50}^{+ 0.58}$ $1.24_{-0.50}^{+0.58}$	$3 . 64_{- 0.84}^{+ 0.95}$ $3.64_{-0.84}^{+0.95}$	$2 . 19_{- 1.12}^{+ 0.74}$ $2.19_{-1.12}^{+0.74}$	$0 . 29_{- 0.29}^{+ 0.53}$ $0.29_{-0.29}^{+0.53}$	$5 . 80_{- 2.23}^{+ 2.46}$ $5.80_{-2.23}^{+2.46}$	$0 . 93_{- 0.93}^{+ 1.38}$ $0.93_{-0.93}^{+1.38}$	$4 . 17_{- 1.06}^{+ 0.96}$ $4.17_{-1.06}^{+0.96}$	$5 . 36_{- 3.40}^{+ 2.67}$ $5.36_{-3.40}^{+2.67}$ ^†
stat/d.o.f.	1.00	0.95	1.04	1.08	0.99	0.92	0.98	1.00	0.98^†
N_src	91	667	295	335	726	286	248	538	179
C_{0.2 − 10}	1 × 10⁴	6 × 10⁴	3 × 10⁴	4 × 10⁴	7 × 10⁴	2 × 10⁴	2 × 10⁴	4 × 10⁴	2 × 10⁴

Notes. Additional scatter are added to UV when doing bootstrapping. ^( † )Ignoring 0.3–0.4 keV due to very low source completeness (< 5%) in this energy range.

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