Shadows of rotating black holes in plasma environments with aberration effects

Abstract

The shadows of black holes encode significant information about the properties of black holes and the spacetime surrounding them. So far, the effects of dispersive media, such as plasma, and relativistic aberration on the propagation of light around compact objects have been treated separately in the literature. In this paper, we will employ the Konoplya, Stuchlik, and Zhidenko family of stationary, axially symmetric, and asymptotically flat metrics to describe the spacetime around rotating black holes. We will study how the parameters of the black hole, the chromatic effects resulting from the presence of a non-magnetized, pressureless plasma environment, and the effects of relativistic aberration of a moving observer modify the morphology of the shadow.

Several improvements, new graphics, and discussions. Accepted in PRD

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Cited by in corpus (12)

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• Influence of plasma on the optical appearance of spinning black hole in Kalb-Ramond gravity and its Existence around M87* and Sgr A*
• Influence of Quantum Correction on Kerr Black Hole in Effective Loop Quantum Gravity via Shadows and EHT Results
• Optical Signatures of Einstein-Euler-Heisenberg AdS/dS Black Holes in the light of Event Horizon Telescope
• Deflection of light rays in a moving medium around a spherically symmetric gravitating object
• Optical effects in unmagnetized cold plasmas by a chiral axion factor
• Shadows cast by a class of rotating black bounces with an anisotropic fluid
• Deciphering signatures of Kerr-Sen black holes in presence of plasma from the Event Horizon Telescope data
• Light deflection in axially symmetric stationary spacetimes filled with a moving medium
• Investigating the interplay of the braneworld gravity and the plasma environment on the black hole shadow