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The tidal remnant of an unusually metal-poor globular cluster

Wan, Zhen; Lewis, Geraint; Li, Ting S; Simpson, Jeffrey D; Martell, S L; Zucker, Daniel; Mould, Jeremy; Erkal, Denis; Pace, Andrew B; Mackey, Dougal; Ji, Alexander P; Da Costa, Gary


Globular clusters are some of the oldest bound stellar structures observed in the Universe. They are ubiquitous in large galaxies and are believed to trace intense star-formation events and the hierarchical build-up of structure. Observations of globular clusters in the Milky Way, and a wide variety of other galaxies, have found evidence for a 'metallicity floor', whereby no globular clusters are found with chemical (metal) abundances below approximately 0.3 to 0.4 per cent of that of the Sun....[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Nature
DOI: 10.1038/s41586-020-2483-6
Access Rights: Open Access


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