Fig. 1.
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Ratio of the radii from SBCRs and from asteroseismology. Top: Radius ratio using the Pietrzyński et al. (2019) SBCR. Red and blue points correspond to RC and RGB stars, respectively. The dashed black line is a smoother of data, while the dotted one serves as a visual aid. Bottom: Same as in the top panel but using the Salsi et al. (2021) SBCR.
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