Flux enhancement of corotating hot spots in accretion disks from the slow-light effect

arXiv:2604.09046 · gr-qc, astro-ph.HE · Submitted 2026-04-10 · Read on arXiv

gr-qc, astro-ph.HE

Submitted: 2026-04-10

Updated: 2026-09-01

Comments: v2: 23 pages, 11 figures, accepted version

Journal ref: Phys.Rev.D 114, 044057 (2026)

DOI: 10.1103/hgsl-lnls

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

Terminology

• Gravitational Lensing — 8× in this paper · explained in 2 episodes
• Accretion Disk Dynamics — 1× in this paper · explained in 1 episode
• Accretion Flows — 1× in this paper · explained in 1 episode
• Alignment — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes

Sources

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• Detection of orbital motions near the last stable circular orbit of the massive black hole SgrA*
• Polarimetry and Astrometry of NIR Flares as Event Horizon Scale, Dynamical Probes for the Mass of Sgr A*
• Identifying the secondary jet in the RadioAstron image of OJ~287
• RadioAstron Space VLBI Imaging of the jet in M87: I. Detection of high brightness temperature at 22 GHz
• Key Science Goals for the Next-Generation Event Horizon Telescope
• The Black Hole Explorer: Motivation and Vision
• Black Hole Parameter Estimation from Its Shadow
• Can we distinguish black holes from naked singularities by the images of their accretion disks?
• Black holes with scalar hair in light of the Event Horizon Telescope
• Gravitational Test Beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole
• Photon rings of spherically symmetric black holes and robust tests of non-Kerr metrics
• Constraints on black-hole charges with the 2017 EHT observations of M87*
• Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$
• First Sagittarius A* Event Horizon Telescope Results. VI: Testing the Black Hole Metric
• The Shadow of a Spherically Accreting Black Hole
• Two-temperature, Magnetically Arrested Disc simulations of the jet from the supermassive black hole in M87
• Ab Initio Horizon-Scale Simulations of Magnetically Arrested Accretion in Sagittarius A* Fed by Stellar Winds
• Black hole flares: ejection of accreted magnetic flux through 3D plasmoid-mediated reconnection

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