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AEOS: Star-by-star Cosmological Simulations of Early Chemical Enrichment and Galaxy Formation

  • Authors: Kaley Brauer, Andrew Emerick, Jennifer Mead, Alexander P. Ji, John H. Wise, Greg L. Bryan, Mordecai-Mark Mac Low, Benoit Côté, Eric P. Andersson, Anna Frebel

Kaley Brauer et al 2025 The Astrophysical Journal 980 .

  • Provider: AAS Journals

Caption: Figure 4.

Two galaxies around Halo 1 (Halos 3 and 5 from Figure 3) were externally enriched in metals by outflows from Halo 1 sufficiently early that their star formation started with Population II. Here we show the cumulative star formation history of Halo 1 and Halo 3. The virial radius of Halo 5 is also shown to the left. The physical extent of the gas projection is about 4 kpc.

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