Black hole accretion and radiation variability in general relativistic magnetohydrodynamic simulations with Rezzolla–Zhidenko spacetime

Open Access

Fig. 4

Polar angle distribution of the radially and time-averaged radial velocity sgn $(v^{r}) \sqrt{v^{r} v_{r}}$ ${\mathop{\rm sgn}} \left( {{\v ^r}} \right)\sqrt {{\v ^r}{\v _r}}$ (top panels) and magnetization parameter σ_B (bottom) in the range 100 ≤ r/r_g ≤ 300. The gray indicates the outflow region defined by the Bernoulli parameter Be > 1.02.

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