NATA: a chemical-picture equation of state for stellar merger hydrodynamics

arXiv:2608.07829 · astro-ph.SR, astro-ph.GA · Submitted 2026-08-08 · Read on arXiv

Natalia Ivanova

astro-ph.SR, astro-ph.GA

Submitted: 2026-08-08

Updated: 2026-08-11

Comments: 19 pages. Accepted for publication in ApJ. Accompanied by code and data on Zenodo: https://doi.org/10.5281/zenodo.20914774, and source code on GitHub: https://github.com/nataivanova/NATA-EOS

Code: https://github.com/nataivanova/NATA-EOS

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

Terminology

• Degeneracy — 23× in this paper · explained in 3 episodes
• Ab Initio — 11× in this paper · explained in 1 episode
• Abundance — 9× in this paper · explained in 1 episode
• Benchmark — 4× in this paper · explained in 2 episodes
• Nearly Always Truthful Approximations — 4× in this paper
• Trace — 4× in this paper · explained in 2 episodes
• Consistency — 3× in this paper · explained in 3 episodes
• alpha — 3× in this paper · explained in 1 episode
• Accuracy — 2× in this paper · explained in 1 episode
• Decode — 1× in this paper · explained in 2 episodes

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