Fig. 16
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Left panel: Hess diagram of the ΔYE–HE versus ΔIE–JE ChM constructed from Euclid photometry for NGC 6397 stars. The stars were selected based on positional displacements between the catalogs of Stetson et al. (2019) and Libralato et al. (2024). For comparison, the right panel shows the same ChM but exclusively for simulated 1P stars, highlighting the expected distribution of a single population.
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