Fe Kα line from the broad-line region of PDS456 with XRISM/Resolve

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Volume 712 (August 2026)

A&A, 712 (2026) L3

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Table 1.

Best-fit values of the 3–6 keV fit of the COR> 4 spectrum.

Parameter	Value
`galabs`
N_H (cm⁻²)	2.0 × 10²¹ (^f)

`powerlaw`
Γ	2.19 ± 0.07
norm. ^a	2.40 ± 0.02

`gauss`_wind
E (keV)	$5 . 5_{- 0.2}^{+ 1.1}$ $Mathematical equation: $ 5.5^{+1.1}_{-0.2} $$
σ (keV)	$1 . 8_{- 0.3}^{+ 1.0}$ $Mathematical equation: $ 1.8^{+1.0}_{-0.3} $$
norm. ^b	$1 . 7_{- 0.2}^{+ 1.0} \times 10^{- 4}$ $Mathematical equation: $ 1.7^{+1.0}_{-0.2} \times 10^{-4} $$

`zbfeklor`
norm. ^b	$1 . 2_{- 0.4}^{+ 0.5} \times 10^{- 6}$ $Mathematical equation: $ 1.2_{-0.4}^{+0.5} \times 10^{-6} $$
σ (km s⁻¹)	< 310
z	$0 . 1745_{- 0.0008}^{+ 0.0003}$ $Mathematical equation: $ 0.1745_{-0.0008}^{+0.0003} $$

C-stat/deg. of freedom	601.6/592

Notes. (^f) denotes a fixed value. Normalisations are in units of: ^a 10⁻³ ph keV⁻¹ cm⁻² s⁻¹ at 1 keV; ^b total ph cm⁻² s⁻¹ in the line.

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