3D tomography of the giant Lyα nebulae of z ≈ 3–5 radio-loud AGN

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Volume 680 (December 2023)

A&A, 680 (2023) A70

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Table 3.

HzRGs nebulae properties.

HzRG	e_weight^(†)	e_{weight, obs}^(†)	e_unweight^(†)	\|θ_w. − PA_radio\| ^(*)	\|θ_unw. − PA_radio\| ^(*)	d_{AGN − neb}^(‡)	d_max^(§)
				deg	deg	pkpc	pkpc
MRC 0943-242	0.73±0.01	0.76	0.62	4.7±1.8	7.2	3.4±0.1	164
MRC 0316-257	0.28±0.38	0.96	0.87	28±54	20.8	13.5±0.2	347
TN J0205+2242	0.91±0.01	0.79	0.75	2.1±2.3	8.6	9.0±0.1	170
TN J0121+1320	0.66±0.05	0.74	0.48	10.5±8.7	72.1	3.1±0.1	72
4C+03.24	0.79±0.01	0.72	0.82	8.1±1.2	2.0	9.9±0.1	248
4C+19.71	0.85±0.02	0.83	0.51	20.1±9.1	29.3	6.7±0.1	143
TN J1338–1942	0.94±0.01	0.87	0.90	1.3±1.4	1.2	15.3±0.1	265
4C+04.11	0.76±0.01	0.20	0.59	81.4±1.3	45.3	5.7±0.1	163

Notes.

^(†)

Intrinsic flux-weighted (e_weight), observed flux-weighted (e_{weight, obs}) and unweighted elliptical asymmetric measurements. The flux-weighted ellipticity is sensitive to the morphology of the high surface brightness part of the nebula. The unweighted ellipticity quantifies the morphology of the whole nebula. We note that for e → 0, the nebula is closer to round shape and vice versa.

^(*)

Absolute difference between flux-weighted (unweighted) nebula position angle, θ_weight (θ_unweight), and radio axis position angle, PA_radio.

^(‡)

Offset between the intrinsic flux-weighted centroid of Lyα nebula and AGN position.

^(§)

Maximum linear extent spanned by the Lyα nebula.

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