2 citations · 4 across the 18 of their papers we have counts for
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Imprints of Dark Matter on the Shadow and Polarization Images of a Black Hole Illuminated by Various Thick Disks
Muhammad Israr Aslam, Rabia Saleem, Chen-Yu Yang +1
Based on two distinct thick accretion flow disk models, such as a phenomenological RIAF-like model and an analytical Hou disk model, we investigate the impact of relevant parameter…
Probing Non-rotating Black Hole in Kalb-Ramond Gravity: Imaging and Polarized Signatures Surrounded by Different Thick Accretion Flows
Xiao-Xiong Zeng, Chen-Yu Yang, Muhammad Israr Aslam +1
In this work, we consider a spherically symmetric static black hole metric in Kalb-Ramond (KR) gravity, and investigate the impact of relevant parameters on the black hole shadow a…
Shadow and Polarization Images of Rotating Black Holes in Kalb-Ramond Gravity Illuminated by Several Thick Accretion Disks
Chen-Yu Yang, Huan Ye, Xiao-Xiong Zeng
Using ray-tracing techniques, this paper investigates the optical and polarization images of rotating black holes in Kalb-Ramond (KR) gravity illuminated by thick accretion disks.…
Observational features of the Bardeen-boson star with thin disk accretion
Chen-Yu Yang, Huan Ye, Xiao-Xiong Zeng
In this work, we construct spherically symmetric solutions of Bardeen--boson stars within the framework of the Einstein--Klein--Gordon theory coupled to nonlinear electrodynamics b…
Probing Horndeski Gravity via Kerr Black Hole: Insights from Thin Accretion Disks and Shadows with EHT Observations
Xiao-Xiong Zeng, Chen-Yu Yang, M. Israr Aslam +1
In this study, we have considered the Kerr-like black hole (BH) model in Horndeski gravity and analyse the visual characteristics of shadow images under two illumination models, su…
Polarization Images of Solitonic Boson Stars
Xiao-Xiong Zeng, Chen-Yu Yang, Hao Yu +1
This study investigates the polarization characteristics of solitonic boson stars surrounded by a thin accretion disk. By comparing their polarization images with corresponding opt…
Observational signatures and polarized images of rotating charged black holes in Kalb-Ramond Gravity
Chen-Yu Yang, Ke-Jian He, Xiao-Xiong Zeng +1
This paper investigates the shadow images of rotating charged black holes in Kalb-Ramond (KR) gravity, using an accretion disk that is both optically and geometrically thin and loc…
Optical Characteristics of the Kerr-Bertotti-Robinson Black Hole
Xiao-Xiong Zeng, Chen-Yu Yang, Hao Yu
The Kerr-Bertotti-Robinson (Kerr-BR) black hole, a theoretical model of a rotating black hole immersed in a uniform magnetic field, has been proposed recently by Podolsky and Ovcha…
Kerr-like Black Hole Surrounded by Cold Dark Matter Halo: The Shadow Images and EHT Constraints
Xiao-Xiong Zeng, Chen-Yu Yang, M. Israr Aslam +2
Here we provide shadow images of a Kerr-like black hole (BH) in cold dark matter (CDM) halo illuminated with a celestial light source and a thin accretion disk. The impact of spin…
The observation image of a soliton boson star illuminated by various accretions
Ke-Jian He, Guo-Ping Li, Chen-Yu Yang +1
In this paper, we explore the observable signatures of solitonic boson stars by employing ray-tracing simulations, with celestial spheres and thin accretion disks serving as illumi…
Optical Images of Mini Boson Stars in Palatini Gravity
Xiao-Xiong Zeng, Chen-Yu Yang, Yu-Xiang Huang +3
We investigate the optical properties of mini boson stars within the framework of Palatini gravity, adopting a quadratic form , where is the gravitation…
Optical appearance of the Konoplya-Zhidenko rotating non-Kerr black hole surrounded by a thin accretion disk
Ke-Jian He, Yi Liu, Chen-Yu Yang +1
In this study, we investigate the optical appearance of rotating Konoplya-Zhidenko non-Kerr black holes in the presence of thin accretion disks, with the aim of examining whether t…