Divergent Evolution of Radial Metallicity Gradients in the Thin and Thick Disks of the Milky Way

arXiv:2607.07394 · astro-ph.GA · Submitted 2026-07-08 · Read on arXiv

Weixiang Sun, Gaohuan Long, Hui Li, Han Shen, Shu Wang, Xiaodian Chen, Biwei Jiang, Xiaowei Liu, Di Li

astro-ph.GA

Submitted: 2026-07-08

Comments: 7 pages, 7 figures, accepted for publication in ApJL

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Metallicity — 46× in this paper · explained in 3 episodes
• Calibration — 4× in this paper · explained in 7 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Homogenization — 1× in this paper · explained in 2 episodes
• Signal-to-noise ratio (SNR) — 1× in this paper · explained in 2 episodes

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