A hidden active galactic nucleus powering bright [O III] nebulae in a protocluster at z = 4.5 revealed by JWST

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Volume 693 (January 2025)

A&A, 693 (2025) A70

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Table C.1.

Line fluxes for the different apertures used in this paper.

Aperture	O3-N	O3-N-core	O3-S	O3-S-HeII	C01-total	C01-NE	C01-SW	DSFG
R. A. (deg)	150.227098	150.227084	150.226878	150.226861	150.227185	150.227227	150.227145	150.227038
Dec. (deg)	2.576809	2.576772	2.576298	2.576304	2.576316	2.576378	2.576221	2.576655
[O III] redshift	4.5433(1)	4.5418(1)	4.5448(3)	4.5516(1)	4.5527(2)	4.5521(1)	4.5414(1)	4.5445(1)

[Ne V] λ 3427	< 15.4	2.3 ± 0.3	6 ± 2	< 2.2	< 3.7	< 2.3	< 1.5	< 2.7
[O II] λλ 3727,30	35 ± 2^a	6 ± 2	35 ± 9	13 ± 3	30 ± 6	11.3 ± 1.4^a	13 ± 2	7.0 ± 0.7^a
[Ne III] λ 3870	19 ± 3.4	4.6 ± 0.2	15.9 ± 1.2	5.1 ± 0.5	6.7 ± 1.0	< 2.0	3.3 ± 0.4	2.4 ± 0.6
Hγ λ4342	13 ± 3	2.6 ± 0.2	8 ± 1	3.7 ± 0.4	4.9 ± 0.9	2.2 ± 0.5	2.0 ± 0.3	1.9 ± 0.5
[O III] λ 4364	< 8.5	1.0 ± 0.2	< 3.1	1.3 ± 0.4	< 2.6	< 1.7	< 1.0	< 1.6
He IIλ 4687	< 8.4	0.6 ± 0.2	5 ± 1	2.4 ± 0.5	< 2.5	< 1.7	< 0.9	1.9 ± 0.5
Hβ λ4863	25 ± 3	6.0 ± 0.2	25 ± 1	8.5 ± 0.5	12.0 ± 0.9	4.6 ± 0.6	5.2 ± 0.3	3.5 ± 0.5
[O III] λ 5008	251 ± 4	60.0 ± 0.5	223 ± 2	87.4 ± 0.9	79 ± 1	29.0 ± 0.8	35.1 ± 0.5	31.8 ± 0.6
[O I] λλ 6302,66	6.4 ± 0.6	1.22 ± 0.05	4.2 ± 0.4	0.97 ± 0.09	< 0.6	< 0.3	0.76 ± 0.09	1.3 ± 0.1
Hα λ6565	122.5 ± 0.8	26.9 ± 0.1	78.5 ± 0.4	23.0 ± 0.1	45.1 ± 0.2	18.2 ± 0.1	18.4 ± 0.1	17.4 ± 0.1
[N II] λλ 6550,85	15.0 ± 0.8	5.0 ± 0.1	2.4 ± 0.4	0.9 ± 0.1	4.6 ± 0.2	2.2 ± 0.1	0.78 ± 0.09	20.9 ± 0.2
[S II] λλ 6718,33	14 ± 3	2.3 ± 0.3	11 ± 1	2.5 ± 0.3	5.9 ± 0.7	1.8 ± 0.3	2.4 ± 0.2	5.2 ± 0.6

Notes. All fluxes are given in units of 10⁻¹⁸ergs⁻¹cm⁻² and are not corrected for dust reddening. Upper limits are quoted at the 3σ level.

^(a)

Measured in standalone single-component fit to avoid unrealistically large uncertainty.

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