EPJ

Black hole images under spherical-shell and circular-annulus accretion models in Schwarzschild spacetime: a semianalytical approach

Bofeng Wu, En-Wei Liang and Xiao Zhang

Eur. Phys. J. C, 85 6 (2025) 632

Published online: 09 June 2025

DOI: 10.1140/epjc/s10052-025-14302-x

Bofeng Wu

En-Wei Liang

Xiao Zhang

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