Misaligned tidal tails in open clusters: a signature of the local spiral arm resonance

arXiv:2609.26626 · astro-ph.GA · Submitted 2026-09-22 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-22

Updated: 2026-09-22

Comments: 9 pages, 6 figures. Accepted for publication in A&A

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

Terminology

• Alignment — 12× in this paper · explained in 1 episode
• Trace — 5× in this paper · explained in 2 episodes
• Dynamical regimes — 4× in this paper · explained in 2 episodes
• Accuracy — 3× in this paper · explained in 1 episode
• Benchmark — 3× in this paper · explained in 2 episodes
• Core — 3× in this paper · explained in 2 episodes
• Grounding — 1× in this paper · explained in 3 episodes
• N-body simulations — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes

Sources

• Dynamics of tidal tails of open clusters: I. effects of bar, spiral arms and giant molecular clouds
• Bar-induced deflection of open cluster tidal tails
• Tidal Tails of Galactic Open Clusters: A Review of Methods, Evidence, and Sources of Disagreement

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