Coupled Shock Cooling and Radioactive Heating in the Type IIb Supernova SN 2024aecx: An Extended Envelope and Rapid Optical Decline

arXiv:2607.12700 · astro-ph.HE · Submitted 2026-07-14 · Read on arXiv

Na Wei, Yu-Hao Zhang, Liang-Duan Liu, Guang-Lei Wu, Jing-Yao Li, Yun-Wei Yu, Ning-Chen Sun

astro-ph.HE

Submitted: 2026-07-14

Comments: 9 pages, 3 figures, 2 tables

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

Terminology

• Core — 5× in this paper · explained in 2 episodes
• Diffusion Model — 3× in this paper · explained in 8 episodes
• Markov Chain Monte Carlo — 1× in this paper

Sources

• An infrared echo from a circumstellar disk in the hydrogen- and helium-poor SN 2024aecx

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