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gr-qc2026
Novel extended inner shadow in images of Johannsen-Psaltis black holes with thin accretion disks
Xinyu Wang, Xiaobao Wang, Xin-Yang Wang +1
The Johannsen-Psaltis (JP) metric is constructed by introducing deviation parameters into the Kerr metric. The presence of these deviation parameters provides additional degrees of…
gr-qc2024★ 13 cited
Is a photon ring invariably a closed structure?
Xiangyu Wang, Xiaobao Wang, Hai-Qing Zhang +1
In this study, we investigate the image of a rotating compact object (CO) illuminated by a geometrically thin, optically thin disk on the equatorial plane. As the radius of the CO'…