Unsupervised clustering of seven-dimensional chemical data from Milky Way Mapper reveals ten populations in ω Centauri tracing iron-peak, alpha, CNO, and proton-capture enrichment channels, consistent with multi-phase self-enrichment and ex-situ origin.
A1.1 Metallicity Distribution The[Fe/H]distribution of the selected sample is shown in Fig- ure A1
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Chemical Taxonomy of $\omega$~Centauri: Ten Populations Reveal a Multi-Phase Enrichment History
Unsupervised clustering of seven-dimensional chemical data from Milky Way Mapper reveals ten populations in ω Centauri tracing iron-peak, alpha, CNO, and proton-capture enrichment channels, consistent with multi-phase self-enrichment and ex-situ origin.