GN-z11: The environment of an active galactic nucleus at z = 10.603 - New insights into the most distant Lyα detection

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Table 1.

Measured S/Ns, fluxes, FWHMs, and velocity offsets to the emission lines in GN-z11 for the Lyα emission line extracted from the MSA (Bunker et al. 2023) and the regions defined in Figs. 1 and 3.

Region	S/N	Flux	FWHM	δv
		(×10⁻¹⁹) erg s⁻¹ cm⁻²	km s⁻¹	km s⁻¹
MSA^( * )	12.1	23.0 ± 1.9	530 ± 65	555 $_{- 32}^{+ 32}$ $^{+32}_{-32}$
Central	4.5	12.5 $_{- 2.8}^{+ 3.3}$ $^{+3.3}_{-2.8}$	440 $_{- 95}^{+ 204}$ $^{+204}_{-95}$	520 $_{- 55}^{+ 66}$ $^{+66}_{-55}$
NE	6.0	26.8 $_{- 4.5}^{+ 4.4}$ $^{+4.4}_{-4.5}$	1000 $_{- 142}^{+ 145}$ $^{+145}_{-142}$	915 $_{- 85}^{+ 86}$ $^{+86}_{-85}$
E	4.5	3.34 $_{- 0.75}^{+ 0.81}$ $^{+0.81}_{-0.75}$	520 $_{- 90}^{+ 120}$ $^{+120}_{-90}$	810 $_{- 55}^{+ 66}$ $^{+66}_{-55}$

Notes. ^( * )Values taken from Bunker et al. (2023) for the full shutter extraction spectrum.

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