Fig. 6
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[α/Fe] vs. [Fe/H]. Filled red circles, blue diamonds and green squares are our data for NGC 6304, considering the three methods used. Stars represent different CAPOS CGs, orange: Ton 2 (Fernández-Trincado et al. 2022), beige: NGC 6558 (González-Díaz et al. 2023), filled magenta: HP 1 from ASPCAP, empty magenta: HP 1 from BACCHUS (Henao et al. 2025), yellow: NGC 6316 (Frelijj et al. 2025). Filled black pentagon: Galactic GCs (Schiavon et al. 2024). Filled cyan circles: disk field stars (Hayden et al. 2015). Filled gray circles: bulge field stars (Rojas-Arriagada et al. 2020).
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