Beyond Sgr A* and M87*: Sub-Microarcsecond Black Hole Shadow Detection via Lunar-based Extremely Long Baseline Interferometry

arXiv:2601.02812 · astro-ph.GA, astro-ph.IM · Submitted 2026-01-06 · Read on arXiv

astro-ph.GA, astro-ph.IM

Submitted: 2026-01-06

Updated: 2026-08-14

Code: https://github.com/liulei/omniuv

Terminology

• Event Horizon Telescope — 22× in this paper
• Aperture — 6× in this paper · explained in 1 episode
• AGN — 3× in this paper · explained in 1 episode
• International Lunar Research Station — 3× in this paper
• Gravitational Lensing — 2× in this paper · explained in 2 episodes
• Society of Photo-Optical Instrumentation Engineers — 2× in this paper
• Consistency — 1× in this paper · explained in 3 episodes
• General Relativity — 1× in this paper
• International Celestial Reference Frame — 1× in this paper
• System Equivalent Flux Density — 1× in this paper
• Trace — 1× in this paper · explained in 2 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• Advancing Black Hole Imaging with Space-Based Interferometry
• Demographics of black holes at $<$100 R$_{\rm g}$ scales: accretion flows, jets, and shadows
• Extremely long baseline interferometry with Origins Space Telescope
• The Capella Program: Toward A Space-only High-frequency Radio VLBI Network Formed by Small Satellites in Low Earth Orbits

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