Kavli Affiliate: Cheng Peng
| First 5 Authors: Yiqian Chen, Lang Cheng, Peng Wang, Haitang Yang,
| Summary:
In this paper, we study the observational signatures of traversable
Simpson-Visser wormholes illuminated by luminous celestial spheres and orbiting
hot spots. We demonstrate that when light sources and observers are on the same
side of the wormholes, the images of the wormholes mimic those of black holes.
However, when the light sources are positioned on the opposite side from
observers, photons traversing the wormhole throat generate distinct
observational signatures. Specifically, unlike black hole images, the wormhole
images are confined within the critical curve, resulting in smaller centroid
variations. Furthermore, the light curve of hot spots can exhibit additional
peaks.
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