Circular polarization images of Sgr A* for different magnetic field geometries

arXiv:2604.15673 · astro-ph.HE, gr-qc · Submitted 2026-04-17 · Read on arXiv

astro-ph.HE, gr-qc

Submitted: 2026-04-17

Updated: 2026-05-28

Terminology

• Event Horizon Telescope — 11× in this paper
• Accretion Flows — 6× in this paper · explained in 1 episode
• Calibration — 2× in this paper · explained in 7 episodes
• Alignment — 1× in this paper · explained in 1 episode
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Polarized image of an equatorial emitting ring around a Konoplya-Zhidenko rotating non-Kerr black hole
• Kerr black hole shadows cast by extraordinary light rays with Weyl corrections
• Bright ring features and polarization structures in Kerr-Sen black hole images illuminated by radiatively inefficient accretion flows
• Shadows and Polarization Images of a Four-dimensional Gauss-Bonnet Black Hole Irradiated by a Thick Accretion Disk
• A Universal Framework for Horizon-Scale Tests of Gravity with Black Hole Shadows
• The images of Brans-Dicke-Kerr type naked singularities

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