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 A.2.

X-ray positions and sizes of the knots.

Source	Knot	RA(hh : mm : ss)	Dec(dd : mm : ss)	$L_{knot} (″)$ $Mathematical equation: $ {L_{\mathrm{knot}} (\rm {{\prime\prime}})} $$ a	$W_{knot} (″)$ $Mathematical equation: $ { W_{\mathrm{knot}} (\rm {{\prime\prime}})} $$ b
M 87	D	12 : 30 : 49.239	+12 : 23 : 28.92	0.43 (33.0 pc)	0.43 (33.0 pc)
	E	12 : 30 : 49.030	+12 : 23 : 29.94	0.70 (54.6 pc)	0.70 (54.6 pc)
	F	12 : 30 : 48.884	+12 : 23 : 30.74	0.80 (62.0 pc)	0.80 (62.0 pc)
	I	12 : 30 : 48.709	+12 : 23 : 31.74	0.25 (19.0 pc)	0.25 (19.0 pc)
	A	12 : 30 : 48.621	+12 : 23 : 32.29	0.49 (38.0 pc)	0.49 (38.0 pc)
	B	12 : 30 : 48.05	+12 : 23 : 32.87	0.85 (66.0 pc)	0.85 (66.0 pc)
	C	12 : 30 : 48.302	+12 : 23 : 34.56	0.25 (19.0 pc)	0.25 (19.0 pc)
M 84	A	12 : 25 : 03.74	−12 : 53 : 15.70	0.24 (21.5 pc)	0.24 (21.5pc)
	B	12 : 25 : 03.74	−12 : 53 : 16.50	0.28 (25.0 pc)	0.28 (25.0 pc)
3C 31	Jet	01 : 07 : 24.90	+32 : 24 : 47.50	3.25 (1.11 kpc)	0.85 (0.29 kpc)
3C 264	Jet	11 : 45 : 05.023	+19 : 36 : 23.02	0.65 (275 pc)	0.05 (20.0 pc)
3C 296	Jet	14 : 16 : 53.15	+10 : 48 : 31.01	3.55 (1.70 kpc)	1.30 (0.62 kpc)
3C 346	Knot	16 : 43 : 48.75	+17 : 15 : 49.55	0.49 (1.36 kpc)	0.49 (1.36 kpc)
3C 15	C	00 : 37 : 03.984	−01 : 09 : 05.16	0.80 (1.00 kpc)	0.80 (1.00 kpc)
NGC 4261	Jet	12 : 19 : 33.30	+05 : 50 : 13.00	11.5 (17.6 kpc)	2.35 (0.36 kpc)
3C 66B	A	02 : 23 : 11.50	+42 : 59 : 32.28	0.85 (0.52 kpc)	0.1 (0.06 kpc)
	B	42 : 59 : 33.28	+02 : 23 : 11.62	0.55 (0.34 kpc)	0.20 (0.12 kpc)

Notes. ^(a)L_knot is the half width at half maximum along the jet. ^(b)W_knot is the half width at half maximum transverse to the jet. The L_knot and W_knot of M 87, M 84, 3C 31, 3C 264, 3C 296, 3C 346, 3C 15, NGC 4261, and 3C 66B are taken from Perlman & Wilson (2005), Meyer et al. (2018), Hardcastle et al. (2002), Perlman et al. (2009), Hardcastle et al. (2005), Worrall & Birkinshaw (2005), Kataoka et al. (2003), Worrall et al. (2010), and Hardcastle et al. (2001), respectively.

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