Discovery of ultra-fast outflows with vout> 0.3c in local bright active galactic nuclei

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Volume 711 (July 2026)

A&A, 711 (2026) A95

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Table 1.

Properties of the absorption features detected with high significance, as described in Sect. 4.2.1.

Source	Γ	Energy	Width	\|Depth\|	Δ Cstat	Significance	\|EQW\|	v/c
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)

Mkn 766*	$2 . 11_{- 0.02}^{+ 0.01}$ $Mathematical equation: $ 2.11_{-0.02}^{+0.01} $$	9.46 ± 0.32	0.37 ± 0.34	10.98 ± 0.79	13.05	99.70%	$133 . 6_{- 24.5}^{+ 28.9}$ $Mathematical equation: $ 133.6^{+28.9}_{-24.5} $$	0.30 ± 0.02
Mrk 110*	$1 . 70_{- 0.02}^{+ 0.04}$ $Mathematical equation: $ 1.70_{-0.02}^{+0.04} $$	8.18 ± 0.18	≤0.194	8.71 ± 0.31	7.83	96.40%	$39 . 7_{- 7.4}^{+ 7.4}$ $Mathematical equation: $ 39.7^{+7.4}_{-7.4} $$	0.16 ± 0.01
NGC 985	$1 . 87_{- 0.03}^{+ 0.03}$ $Mathematical equation: $ 1.87_{-0.03}^{+0.03} $$	6.79 ± 0.09	≤0.165	4.24 ± 2.60	11.10	99.60%	$18 . 5_{- 6.5}^{+ 6.5}$ $Mathematical equation: $ 18.5_{-6.5}^{+6.5} $$	-0.02 ± 0.01
NGC 2617*	$1 . 69_{- 0.08}^{+ 0.07}$ $Mathematical equation: $ 1.69_{-0.08}^{+0.07} $$	7.44 ± 0.11	≤0.173	18.45 ± 1.03	12.09	99.40%	$35 . 2_{- 10.0}^{+ 10.5}$ $Mathematical equation: $ 35.2_{-10.0}^{+10.5} $$	0.07 ± 0.01
NGC 4051	$1 . 97_{- 0.01}^{+ 0.03}$ $Mathematical equation: $ 1.97_{-0.01}^{+0.03} $$	7.10 ± 0.09	≤0.11	4.98 ± 2.09	12.96	99.80%	$18 . 6_{- 7.0}^{+ 6.3}$ $Mathematical equation: $ 18.6_{-7.0}^{+6.3} $$	0.02 ± 0.01
NGC 5548	$1 . 70_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 1.70_{-0.01}^{+0.01} $$	7.12 ± 0.11	≤0.211	7.55 ± 3.74	7.91	95.90%	$11 . 7_{- 5.3}^{+ 5.0}$ $Mathematical equation: $ 11.7_{-5.3}^{+5.0} $$	0.02 ± 0.01
NGC 5548*	$1 . 70_{- 0.01}^{+ 0.01}$ $Mathematical equation: $ 1.70_{-0.01}^{+0.01} $$	11.02 ± 0.11	≤0.153	14.75 ± 9.22	11.60	99.20%	$77 . 6_{- 24.6}^{+ 25.2}$ $Mathematical equation: $ 77.6^{+25.2}_{-24.6} $$	0.43 ± 0.01
NGC 7469*	$1 . 72_{- 0.08}^{+ 0.05}$ $Mathematical equation: $ 1.72_{-0.08}^{+0.05} $$	10.88 ± 0.14	≤0.162	12.29 ± 6.58	11.79	99.80%	$70 . 0_{- 21.4}^{+ 18.5}$ $Mathematical equation: $ 70.0_{-21.4}^{+18.5} $$	0.42 ± 0.01
PG 2304+042*	$1 . 88_{- 0.07}^{+ 0.11}$ $Mathematical equation: $ 1.88_{-0.07}^{+0.11} $$	9.78 ± 0.13	≤0.110	12.26 ± 5.82	11.26	99.20%	$114 . 5_{- 28.8}^{+ 39.7}$ $Mathematical equation: $ 114.5_{-28.8}^{+39.7} $$	0.33 ± 0.01

Notes. *Source with UFO. (1) Source name; (2) rest-frame energy in keV; (3) width in keV; (4) normalization in units of photons cm⁻² s⁻¹ × 10⁻⁶; (5) ΔC_stat; (6) significance from MC simulations (see Sect. 4.2.1); (7) EQW in eV; (8) velocity in units of c. Uncertainties are at 95%. EQW uncertainties at 68%.

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