5–10 Jul 2021
Europe/Rome timezone

Shadow of a charged black hole surrounded by an anisotropic matter field

8 Jul 2021, 19:00
20m
Talk in the parallel session Black Holes in alternative theories of gravity Black Holes in Alternative Theories of Gravity

Speaker

Javier Badía (Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA))

Description

A certain type of matter with anisotropic pressures can add to the Reissner-Nordström metric a term proportional to a power of the radial coordinate. Using the standard method of separating variables for the Hamilton-Jacobi equation, we study the shadow of the corresponding rotating solution, obtained through the Newman-Janis algorithm. We define and calculate three observables in order to characterize the position, size and shape of the shadow.

Primary authors

Javier Badía (Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA)) Dr Ernesto F. Eiroa

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Paper