3 papers
astro-ph.HE2026
Broadened Lensing Rings of Compact Boson Stars: Enhanced Imprint of Accretion Flow in Images and Visibilities
Xiangyu Wang, Xinyu Wang, Minyong Guo +1
In this work, we systematically study the gravitational lensing properties and observational signatures of compact boson stars. Unlike black holes, the photon effective potential o…
astro-ph.HE2026
Bayesian Analysis of Massive Boson Star Models for Sagittarius A* Using Near-Infrared Astrometry Data
Xiangyu Wang, Tian-chi Ma, Minyong Guo +1
Assuming that the compact source at the Galactic center, Sagittarius A*, is a massive boson star, we fit the near-infrared flare astrometry data. We consider 12 discrete boson star…
astro-ph.HE2026
Testing solitonic boson star interpretations of Sagittarius A* with near-infrared flare astrometry
Xiangyu Wang, Zhenyu Zhang, Hai-Qing Zhang +2
We use GRAVITY near-infrared (NIR) flare astrometry to test whether Sagittarius A* could be a solitonic boson star. We consider five spherically symmetric solitonic boson-star mode…