Fig. 6
Brightness distributions of the K2 targets stars that are classified as RR Lyrae variables both in Gaia DR2 and based on their K2 light curves (blue), vs. those that were missed as variable candidates in Gaia DR2, but their K2 light curves show RR Lyrae variation (grey). The blue solid and black dashed lines indicate the median values. These histograms are overlaid, not stacked.
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