Microquasar Cygnus X-3 as the PeVatron powering the Cygnus Bubble

arXiv:2607.07100 · astro-ph.HE · Submitted 2026-07-08 · Read on arXiv

Zhaodong Shi, Guangwei Wang, Ruizhi Yang, Felix Aharonian

astro-ph.HE

Submitted: 2026-07-08

Comments: Accepted for publication in ApJL. 15 pages, 4 figures, and 2 tables

DOI: 10.3847/2041-8213/ae878e

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

Terminology

• Abundance — 1× in this paper · explained in 1 episode
• Core — 1× in this paper · explained in 2 episodes
• Fine-Tuning — 1× in this paper · explained in 5 episodes
• Streaming Instability — 1× in this paper · explained in 2 episodes

Sources

• Cygnus X-3: A variable petaelectronvolt gamma-ray source
• The Wolf-Rayet counterpart of Cygnus X-3

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