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Star formation in the first galaxies โ€“ III. Formation, evolution, and characteristics of the first metal-enriched stellar cluster

Star formation in the first galaxies โ€“ III. Formation, evolution, and characteristics of the first metal-enriched stellar cluster

We simulate the formation of a low-metallicity (10โˆ’2 ZโŠ™) stellar cluster at redshift z โˆผ 14. Beginning with cosmological initial conditions, the simulation utilizes adaptive mesh refinement and sink particles to follow the collapse and evolution of gas past the opacity limit for fragmentation, thus resolving the formation of individual โ€ฆ