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Fig. 9
Streamlines of axisymmetric accretion flow, the parameters are: black hole spin a = 0.998; initial four-velocity 
; radius of the shell r0 = 15 rg; 
, z = rcosθ. The black circle and line represent the event horizon and accretion disk, respectively. Compare to Fig. 1. of Tejeda et al. (2013).
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