The XXL Survey - XXVIII. Galaxy luminosity functions of the XXL-N clusters

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Table 6

Summary of the systematics affecting the faint end slope measurements.

Origin of the systematics	Error sys.	Error sys./Error stat.
Estimators stat.^a	σ(α_i)	σ(α_i)∕Δα_ref
	0.07	0.47

photo-z selections^b
ZPDF method	0.06	0.68
cte method	0.07	0.61
zfct method	0.17	1.25

Selection width^c
	− 0.03	0.27

Notes. The systematics from different origins are estimated differently. ^(a)See Sect. 6.1. ^(b)See Sects. 3.2.1 and 6.2.1. ^(c)See Sect. 6.2.2.

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