Fig. 3.
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Gaia EDR3 vs. evolutionary and pulsation model luminosities for RRabc stars (panels A, B, and C). The single-letter labels denote independent data sets in order of increasing parallax error (see Table 1). We used α-enhanced evolutionary models. For comparison, we also plotted the parallax-shifted RRd models of K21. The Gaia identity lines are shown by the red lines.
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