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Converged Simulations of the Nozzle Shock in Tidal Disruption Events

  • Authors: Fangyi (Fitz) Hu, Ilya Mandel, Rebecca Nealon, Daniel J. Price

Fangyi (Fitz) Hu et al 2026 The Astrophysical Journal Letters 996 .

  • Provider: AAS Journals

Caption: Figure 2.

Snapshots of the simulations with 0, 2, 4, 8, 12, and 16 levels of splitting at t = 14.4 days after stellar disruption (first pericenter passage). The eccentricity of the most bound gas (emb,simulated ∼ 0.96) is smaller than predicted in Section 2 (emb,analytic ∼ 0.99) due to the heating from nozzle and pancake shocks on the first pericenter passage. The amount of energy dissipation at pericenter and thus stream fanning postpericenter decreases with resolution until it converges at 12 levels of refinement (equivalent to a global 41B particle simulation). The binary simulation dumps plotted are available on Zenodo at doi:10.5281/zenodo.17225834. The animation lasts for 5 s and shows the fallback of stream in all six simulations from 9.1 to 14.4 days.

(An animation of this figure is available in the online article.)

(An animation of this figure is available.)

The video/animation of this figure is available in the online journal.

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