Nonthermal hotspot orbiting the supermassive black hole Sgr A*

arXiv:2609.38553 · astro-ph.HE · Submitted 2026-09-29 · Read on arXiv

astro-ph.HE

Submitted: 2026-09-29

Updated: 2026-09-29

Terminology

• Event Horizon Telescope — 16× in this paper
• Gravitational Lensing — 6× in this paper · explained in 2 episodes
• Clustering — 1× in this paper · explained in 2 episodes
• Magnetohydrodynamics (MHD) — 1× in this paper · explained in 3 episodes

Sources

• Dynamics and Emission Properties of Flux Ropes from Two-Temperature GRMHD Simulations with Multiple Magnetic Loops
• Sgr A* X-ray flares from non-thermal particle acceleration in a magnetically arrested disc

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