Observational Evidence for Anisotropic Metal Excess around Galaxies

arXiv:2607.24929 · astro-ph.GA · Submitted 2026-07-27 · Read on arXiv

Cheqiu Lyu, Enci Wang, Zeyu Chen, Chengyu Ma, Yangyao Chen, Haoran Yu, Xu Kong

astro-ph.GA

Submitted: 2026-07-27

Comments: 10+23 pages, 3+9 figures. Accepted in principle by Nature Communications. This is the authors' manuscript version

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

Terminology

• Metallicity — 124× in this paper · explained in 3 episodes
• Stellar Feedback — 7× in this paper · explained in 2 episodes
• Abundance — 6× in this paper · explained in 1 episode
• Calibration — 6× in this paper · explained in 7 episodes
• AGN — 4× in this paper · explained in 1 episode
• Alignment — 4× in this paper · explained in 1 episode
• Anisotropy — 4× in this paper · explained in 3 episodes
• Dark Energy Spectroscopic Instrument — 4× in this paper
• Clustering — 3× in this paper · explained in 2 episodes
• Decoupling — 3× in this paper · explained in 2 episodes
• Robustness — 3× in this paper · explained in 5 episodes
• Aperture — 2× in this paper · explained in 1 episode
• Bright Galaxy Survey — 2× in this paper
• Consistency — 2× in this paper · explained in 3 episodes
• Selection Bias — 2× in this paper · explained in 4 episodes
• Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
• Core — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Feedback In Realistic Environments — 1× in this paper
• Star Formation Rate (SFR) — 1× in this paper · explained in 5 episodes
• Trace — 1× in this paper · explained in 2 episodes
• alpha — 1× in this paper · explained in 1 episode

Sources

• A two-phase model of galaxy formation: IV. Seeding and growing supermassive black holes in dark matter halos
• The DESI Experiment, a whitepaper for Snowmass 2013
• The Dark Energy Spectroscopic Instrument (DESI)
• Galactic Winds and the Role Played by Massive Stars
• Data Release 1 of the Dark Energy Spectroscopic Instrument

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