Results 21 to 30 of about 236,146 (270)

Weak gravitational lensing and shadow of a GUP-modified Schwarzschild black hole in the presence of plasma [PDF]

open access: greenPhysics of the Dark Universe, 2023
Husanboy Hoshimov   +4 more
openalex   +3 more sources

Weak gravitational lensing in dark matter and plasma mediums for wormhole-like static aether solution [PDF]

open access: yesThe European Physical Journal C, 2022
In this paper, we study the deflection angle for wormhole-like static aether solution by using Gibbons and Werner technique in non-plasma, plasma, and dark matter mediums.
W. Javed   +3 more
semanticscholar   +1 more source

Charged black hole in 4D Einstein-Gauss-Bonnet gravity: particle motion, plasma effect on weak gravitational lensing and centre-of-mass energy [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2021
We study the motion of charged and spinning particles and photons in the 4D charged Einstein-Gauss-Bonnet (EGB) black hole vicinity. We determine the radius of the innermost stable circular orbit (ISCO) for test particles.
Farruh Atamurotov   +3 more
semanticscholar   +1 more source

KiDS-1000 Cosmology: Multi-probe weak gravitational lensing and spectroscopic galaxy clustering constraints [PDF]

open access: yesAstronomy & Astrophysics, 2020
We present a joint cosmological analysis of weak gravitational lensing observations from the Kilo-Degree Survey (KiDS-1000), with redshift-space galaxy clustering observations from the Baryon Oscillation Spectroscopic Survey (BOSS) and galaxy-galaxy ...
C. Heymans   +30 more
semanticscholar   +1 more source

Geometric Outlines of the Gravitational Lensing and Its Astronomic Applications

open access: yesUniverse, 2023
Gravitational lensing is a topic of great application value in the field of astronomy. The properties and research methods of gravitational lensing are closely related to the geometric and relativistic characteristics of the background universe.
Bin Shen, Mingyang Yu
doaj   +1 more source

Weak Gravitational Lensing around Bardeen Black Hole with a String Cloud in the Presence of Plasma

open access: yesSymmetry, 2023
The effect of spacetime curvature on optical properties may provide an opportunity to suggest new tests for gravity theories. In this paper, we investigated gravitational weak lensing around a Bardeen black hole with the string clouds parameter.
Farruh Atamurotov   +4 more
semanticscholar   +1 more source

KiDS-1000 methodology: Modelling and inference for joint weak gravitational lensing and spectroscopic galaxy clustering analysis [PDF]

open access: yesAstronomy & Astrophysics, 2020
We present the methodology for a joint cosmological analysis of weak gravitational lensing from the fourth data release of the ESO Kilo-Degree Survey (KiDS-1000) and galaxy clustering from the partially overlapping Baryon Oscillation Spectroscopic Survey
B. Joachimi   +26 more
semanticscholar   +1 more source

Gravitational Lensing of Acoustic Charged Black Holes

open access: yesThe Astrophysical Journal, 2023
We study the gravitational lensing of acoustic charged black holes in strong and weak field limit approximations. For this purpose, we first numerically obtain the deflection limit coefficients and deflection angle in the strong field limit.
Niyaz Uddin Molla, Ujjal Debnath
doaj   +1 more source

Circular orbit of a particle and weak gravitational lensing [PDF]

open access: yesPhysical Review D, 2020
The purpose of this paper is twofold. First, we introduce a geometric approach to study the circular orbit of a particle in static and spherically symmetric spacetime based on Jacobi metric.
Zonghai Li, Guodong Zhang, A. Övgün
semanticscholar   +1 more source

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