Studying X-ray spectra from large-scale jets of Fanaroff–Riley type I radio galaxies: Application of shear particle acceleration

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Volume 708 (April 2026)

A&A, 708 (2026) A365

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Table 1.

Reanalyzed X-ray flux of the knots for different energy bands.

Source	Type	νF_ν	νF_ν	νF_ν	N_Ha	α_Xb	$χ_{red}^{2}$ $Mathematical equation: $ \chi^{2}_{\mathrm{red}} $$
		[0.5–1.2] keV	[1.2–2.9] keV	[2.9–7.0] keV	[10²⁰ cm⁻²]
3C 15	Knot	2.86 ± 0.43	2.95 ± 0.58	3.22 ± 1.27	3.03	$1 . 01_{- 0.43}^{+ 0.47}$ $Mathematical equation: $ 1.01^{+0.47}_{-0.43} $$	0.66
M 84	A	1.16 ± 0.13	1.18 ± 0.18	1.23 ± 0.13	2.60	1.00	0.65
	B	0.98 ± 0.11	0.99 ± 0.13	1.01 ± 0.12	2.60	1.00	0.89

Notes. The units of νF_ν are 10⁻¹⁵ erg cm⁻² s⁻¹. The errors of the flux and α_X are calculated at a 90% confidence level. Spectral index α and flux are expressed as F_ν ∝ ν^−α, where ν denotes the frequency. aHydrogen-absorbing column density. bFor the knots in M 84, we follow the method of Meyer et al. (2018) and fix the spectral indices to 1.

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