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Weak Gravitational Lensing of Finite Beams. [PDF]
Physical Review Letters, 2017 The standard theory of weak gravitational lensing relies on the infinitesimal light beam approximation. In this context, images are distorted by convergence and shear, the respective sources of which unphysically depend on the resolution of the ...
P. Fleury, J. Larena, J. Uzan
semanticscholar +10 more sources
Weak gravitational lensing Schwarzschild-MOG black hole in plasma [PDF]
European Physical Journal C: Particles and Fields, 2021 This paper is devoted to study weak gravitational lensing properties around black hole surrounded plasma medium in modified gravity (MOG). We have investigated the effects of the MOG-parametr and plasma medium on the deflection angle and total ...
Farruh Atamurotov +2 more
semanticscholar +3 more sources
The gravitational bending of acoustic Schwarzschild black hole [PDF]
European Physical Journal C: Particles and Fields, 2023 Acoustic black hole is becoming an attractive topic in recent years, for it open-up new direction for experimental/observational explorations of black holes.
Chen-Kai Qiao, Mi Zhou
doaj +2 more sources
Weak gravitational lensing and shadow of a GUP-modified Schwarzschild black hole in the presence of plasma [PDF]
Physics of the Dark Universe, 2023 In this work, we have studied weak gravitational lensing effect around black hole and determine shadow radius in GUP-corrected-Schwarzschild spacetime (S-GUP) in presence of plasma environment. We started with orbits of photons around black hole in S-GUP.
Husanboy Hoshimov +4 more
semanticscholar +3 more sources
Shadow revisiting and weak gravitational lensing with Chern-Simons modification [PDF]
Physics Letters B, 2023 Dynamical Chern-Simons (dCS) gravity has been attracting plenty of attentions due to the fact that it is a parity-violating modified theory of gravity that corresponds to a well-posed effective field theory in weak coupling approximation.
Y. Meng +3 more
semanticscholar +3 more sources
Cross-correlation of the thermal Sunyaev–Zel’dovich effect and weak gravitational lensing: Planck and Subaru Hyper Suprime-Cam first-year data [PDF]
Monthly notices of the Royal Astronomical Society, 2019 Cross-correlation analysis of the thermal Sunyaev–Zel’dovich (tSZ) effect and weak gravitational lensing (WL) provides a powerful probe of cosmology and astrophysics of the intracluster medium. We present the measurement of the cross-correlation of tSZ
K. Osato +6 more
semanticscholar +3 more sources
Peaks in weak lensing mass maps for cluster astrophysics and cosmology [PDF]
Proceedings of the Japan Academy. Series B, Physical and Biological SciencesClusters of galaxies can be identified from the peaks in weak lensing aperture mass maps constructed from weak lensing shear catalogs. Such purely gravitational cluster selection differs considerably from traditional cluster selection based on the ...
Masamune OGURI, Satoshi MIYAZAKI
doaj +2 more sources
Weak gravitational lensing by stringy black holes [PDF]
The European Physical Journal Plus, 2019 In this paper, we discuss the weak gravitational lensing in the context of stringy black holes. Initially, we examine the deflection angle of photon by charged stringy black hole.
W. Javed +3 more
semanticscholar +5 more sources
Probing satellite haloes with weak gravitational lensing [PDF]
Monthly Notices of the Royal Astronomical Society, 2012 We demonstrate the possibility of detecting tidal stripping of dark matter subhalos within galaxy groups using weak gravitational lensing. We have run ray-tracing simulations on galaxy catalogues from the Millennium Simulation to generate mock shape catalogues. The ray-tracing catalogues assume a halo model for galaxies and groups, using various models
Gillis, Bryan R. +3 more
openaire +3 more sources