Fig. 1.
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Catalogue PL relation after the filtering based on the Lomb–Scargle (LS) and Fourier periods and the Nyquist frequency. The Wesenheit indices were calculated based on the catalogue magnitudes. The grey dots show the stars for which the LS period matched in the F606W and F814W bands, and the red dots show the stars for which the LS and Fourier periods matched for all filters.
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