Table 3

XXL-N: ancillary photometric data set used in this work and measured limiting magnitudes.

Telescope Survey Version Limiting magnitude

FUV NUV
GALEX AIS 22.18 22.47
DIS GR6/7 24.57 24.18
GI 23.51 23.69

u g r i y b z
CFHT W1 T0007 24.96 25.30 24.74 24.39 24.50 23.40
D1 26.26 26.62 26.34 26.08 25.61 25.21
WA 24.82 24.49 22.86
WB PI 24.98 24.52 23.55
WC 24.88
SDSS DR10 20.73 19.77 19.92 19.96 20.13

z Y J H K
VISTA VHS DR2 20.85 20.98 20.70 20.27
VIKING DR1 22.81 22.10 21.50 21.36 21.25
VIDEO DR3 25.45 24.65 24.65 24.25 23.90
WIRcam PI 22.20
UKIDSS DXS DR10 22.37 22.17
UDS 24.95 24.37 24.64

3.6 μm 4.5 μm
IRAC PI 21.50 21.34

W1 W2 W3 W4
WISE ATLAS ALLWISE 20.38 20.35 18.85 17.50

Notes. Magnitudes given in AB. As limiting magnitude we quote the third quantile of the respective magnitude distribution.CFHT replacement i-filter.

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