Dark Matter Halo Tumbling Induced by Torques from Massive Mergers

arXiv:2609.01796 · astro-ph.GA, astro-ph.CO · Submitted 2026-09-01 · Read on arXiv

astro-ph.GA, astro-ph.CO

Submitted: 2026-09-01

Updated: 2026-09-01

Comments: 23 pages and 14 figures, accepted to ApJ

Code: https://github.com/GalacticDynamics-Oxford/pyfalcon

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

Terminology

• Milky Way — 7× in this paper
• Alignment — 2× in this paper · explained in 1 episode
• Baryonic Feedback — 2× in this paper · explained in 3 episodes
• Large Magellanic Cloud — 2× in this paper
• Trace — 2× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Matter Power Spectrum — 1× in this paper · explained in 2 episodes
• Momentum transfer — 1× in this paper · explained in 2 episodes
• Perplexity — 1× in this paper · explained in 3 episodes

Sources

• Agama reference documentation
• Shaping the Milky Way. II. The dark matter halo's response to the LMC's passage in a cosmological context
• Disentangling Drivers of Disk Warps in Tilted and Tumbling TNG50 Halos

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