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Table 1

Photometric bands and number of sources used in our study.

Survey Band Wavelength (μm) # of sources

GALEX FUV 0.152 892
GALEX NUV 0.227 1146
SDSS u 0.359 1087
SDSS g 0.463 1089
SDSS r 0.614 1088
SDSS i 0.747 1088
SDSS z 0.893 1089
2MASS/UKIRT J 1.24/1.25 926
2MASS/UKIRT H 1.66/1.63 926
2MASS/UKIRT K 2.16/2.2 934
WISE W1 3.37 1146
WISE W2 4.61 1146
WISE W3 12.08 1141
WISE W4 22.19 1120

Notes. Column 1: survey name; Col. 2: bandpass name; Col. 3: effective wavelength of each passband; Col. 4: number of galaxies with flux measurements in each band. See Sect. 2 for the requirement of keeping a galaxy in the final sample.

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