Fig. A.3
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Radius, luminosity, and mass versus Teff for the stars in NGC 6752 (left panels) and ω Cen (right panels). Teff is obtained from the spectral fits and fixed to this value in the SED fitting process. The filled symbols in ω Cen indicate the He-rich (blue-hook) stars. We show the theoretical ZAHB and TAHB for He-normal and He-enriched models.
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