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Images from disk and spherical accretions of hairy Schwarzschild black holes
Yuan Meng, Xiao-Mei Kuang, Xi-Jing Wang +2
A hairy Schwarzschild black hole describes the deformation of Schwarzschild black hole due to including additional sources. It is found that depending on the hairy parameters, the…
Shadow revisiting and weak gravitational lensing with Chern-Simons modification
Yuan Meng, Xiao-Mei Kuang, Xi-Jing Wang +1
Dynamical Chern-Simons (dCS) gravity has been attracting plenty of attentions due to the fact that it is a parity-violating modified theory of gravity that corresponds to a well-po…
Rings and images of Horndeski hairy black hole illuminated by various thin accretions
Xi-Jing Wang, Xiao-Mei Kuang, Yuan Meng +2
We analyze the light rays around a static hairy black hole in Horndeski gravity with the use of ray-tracing procedure. We find that a stronger Horndeski hairy parameter corresponds…