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The HST/ACS colour–magnitude diagrams (CMDs) of the populous Large Magellanic Cloud (LMC) star cluster NGC 1751 present both a broad main‐sequence turn‐off and a dual clump of red giants. We show that the latter feature is real and associate it to the first appearance of electron degeneracy in the H‐exhausted cores of the cluster stars. We then apply to the NGC 1751 data the classical method of star...
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