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The Disrupted Chemical Enrichment History of the Milky Way Driven by Gas Accretion

  • Authors: Jianhui Lian, Qinhao Shao, Min Du, Hanyuan Zhang, Xinxin Duan, Xin Wang, Zheng Zheng

Jianhui Lian et al 2026 The Astrophysical Journal Letters 1007 .

  • Provider: AAS Journals

Caption: Figure 1.

Observed and predicted age–metallicity distribution as a function of radius. The top row displays the observed distribution derived from APOGEE data, while the bottom row shows the corresponding predictions from the late-accretion chemical evolution model. The solid blue lines in both rows illustrate the evolutionary tracks of the late-accretion models.

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