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Cluster Ages to Reconstruct the Milky Way Assembly (CARMA). III. NGC 288 as the first Splashed globular cluster

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Analysis uncovers NGC 288's chrono-chemical characteristics in globular cluster studies, suggesting an in situ origin.

NGC 288 shows consistent age and chemistry with in situ clusters, challenging prior dynamical interpretations.
Dynamical studies suggest NGC 288 has an accreted origin, yet it appears 2.5 Gyr older than other GSE clusters.
The study employed a homogeneous framework to analyze the chrono-chemical properties of NGC 288 and similar clusters.
Findings indicate that NGC 288’s formation occurred in the proto-disc of the Milky Way, previously influenced by a merger.

Ceccarelli et al. (2025) studied this question.

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