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Fig. 8.
Histograms of magnitude distribution in each dataset. The bin size of magnitude is 0.1 mag, except for the GALEX (0.5 mag) and AKARI (0.25 mag) data. For WISE3 and WISE4 bands, the histograms only show targets with S/N ≥ 2. For convenience, the HERITAGE data are not shown in the diagram.
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