Low-angular-momentum accretion shocks can power weak-to-moderate X-ray flares from SgrA*

arXiv:2609.04145 · astro-ph.HE · Submitted 2026-09-03 · Read on arXiv

astro-ph.HE

Submitted: 2026-09-03

Updated: 2026-09-03

Terminology

• Accretion Flows — 5× in this paper · explained in 1 episode
• Robustness — 3× in this paper · explained in 5 episodes
• Accretion Shock — 2× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes

Sources

• Discovery of a star sensitive to the spin of Sgr A*
• Properties of low angular momentum general relativistic MHD accretion flows around black holes
• The Demographics of Sagittarius A* X-ray Flares over 25 Years with Chandra

Related papers

• Numerical Studies of Accretion Flows onto a Neutron Star Engulfed in a Massive Star
• Collisionless Accretion of Finite-Angular-Momentum Plasma onto a Spinning Black Hole
• Impact of Magnetic Field Topology on Electromagnetic and Gravitational Waves from Binary Neutron Star Merger Remnants
• XRISM Resolve Spectroscopy of GX 5-1: Constraints on Iron Spectral Features in a Luminous Neutron-Star Binary
• SN 1006: A Cosmic Laboratory for Investigating Shock Acceleration Physics
• Neutrino Spectral Pinching in 3D Core-Collapse Supernovae: Late-Time Convergence, Failed-Explosion Signatures, and Viewing-Angle Dispersion