Fig. 8.
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Modulation frequency vs. relative side-lobe amplitude for the Galactic Bulge RRab inventory of the OGLE project (3141 stars from Skarka et al. 2020), plotted on a gray-scale object number density map). The 514 stars from 12 K2 fields and the 24 stars are from Kepler’s original field as detected in this paper. For comparison, there are only four stars in the OGLE sample with As/At < 0.001.
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