Faint AGNs at z > 4 in the CANDELS GOODS-S field: looking for contributors to the reionization of the Universe

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Table 3

AGN luminosity functions, emissivities, and photoionization rates.

Δz	M ₁₄₅₀	log φ_obs	log φ_corr	N _obj	β	γ	M _break	log φ^∗	ϵ ₁₄₅₀	ϵ ₉₁₂	Γ

4−4.5					1.52	3.13	− 23.2	− 5.2	11.45	6.8	0.62
	− 19	− 4.9	− 4.3	1
	− 20	− 4.7	− 4.6	3
	− 21	− 4.9	− 4.9	2

4.5−5					1.81	3.14	− 23.6	− 5.7	9.90	5.92	0.43
	− 19	− 4.5	− 4.1	3
	− 20	− 4.9	− 4.6	2
	− 21	− 4.9	− 4.8	2
	− 22.5	− 5.3	− 5.3	1

5−6.5					1.66^a	3.35	− 23.4 ^a	− 5.8	4.2	2.5	0.12
	− 19	− 5.2	− 4.7	1
	− 20	− 5.1	− 4.7	3
	− 21	− 5.7	− 5.7	1

Notes. φ in units of Mpc^-3, ϵ in units of 10²⁴ ergs s^-1 Hz^-1 Mpc^-3, Γ in units of 10^-12 s^-1. φ_corr is the volume corrected for incompleteness in the X/H distribution.

^(a)

Value has been fixed to average in the two lower z intervals.

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