The Stellar "Snake"-V: the census within 3 kpc in the Solar Neighborhood

arXiv:2607.00098 · astro-ph.GA, astro-ph.IM · Submitted 2026-06-30 · Read on arXiv

Xiang-Ming Yang, Ju-Yong Zhang, Hai-Jun Tian

astro-ph.GA, astro-ph.IM

Submitted: 2026-06-30

Comments: 35 pages, 13 figures, 5 tables. Comments and collaboration are welcome. The Snake Serials: https://astrotian.github.io/snake. The visualization: https://astrotian.github.io/snake/visualization

Project page: https://astrotian.github.io/snake

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

Terminology

• Core — 35× in this paper · explained in 2 episodes
• Metallicity — 30× in this paper · explained in 3 episodes
• Abundance — 18× in this paper · explained in 1 episode
• Clustering — 17× in this paper · explained in 2 episodes
• Consistency — 12× in this paper · explained in 3 episodes
• Benchmark — 9× in this paper · explained in 2 episodes
• Trace — 8× in this paper · explained in 2 episodes
• Velocity Dispersion — 8× in this paper · explained in 2 episodes
• Snake Reliability Index — 6× in this paper
• Aggregation — 4× in this paper · explained in 1 episode
• Calibration — 4× in this paper · explained in 7 episodes
• Alignment — 3× in this paper · explained in 1 episode
• External Validation — 3× in this paper · explained in 2 episodes
• Point Clouds — 3× in this paper · explained in 2 episodes
• AUC — 2× in this paper · explained in 2 episodes
• Homogeneity — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Convolutional Neural Networks (CNNs) — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Feature Extraction — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Sparsity — 1× in this paper · explained in 4 episodes
• Stellar Feedback — 1× in this paper · explained in 2 episodes
• Transferability — 1× in this paper · explained in 4 episodes

Sources

• The Stellar "Snake"-III: Co-evolution of Stars and Molecular Clouds Unveiled by Gaia, MWISP, and LAMOST

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