Observing shadow of the Schwarzschild black hole in presence of a plasma
Farruh AtamurotovNational University of Uzbekistan, Tashkent 100174, Uzbekistan Ulugh Beg Astronomical Institute, Astronomicheskaya 33, Tashkent 100052, Uzbekistan Inha University in Tashkent, Tashkent 100170, Uzbekistan
ABI
Аннотация
Abstract We have investigated particle motion around Schwarzschild black holes in the presence of a plasma with radial power-law density profile has been shown that the photon sphere around a spherically symmetric black hole is unchanged under the influence of the plasma; however, the Schwarzschild black hole shadow size is reduced due to the refraction of electromagnetic radiation in the plasma environment of the black hole.
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