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Exotic Image Formation in Strong Gravitational Lensing by Clusters of Galaxies -- III: Statistics with HUDF
Ashish Kumar Meena, J. S. Bagla
We study the image formation near point singularities (swallowtail and umbilics) in the simulated strongly lensed images of Hubble Ultra Deep Field (HUDF) by the Hubble Frontier Fi…
Exotic Image Formation in Strong Gravitational Lensing by Clusters of Galaxies -- II: Uncertainties
Ashish Kumar Meena, Agniva Ghosh, J. S. Bagla +1
Due to the finite amount of observational data, the best-fit parameters corresponding to the reconstructed cluster mass have uncertainties. In turn, these uncertainties affect the…
Gravitational Lensing of Gravitational Waves: Effect of Microlens Population in Lensing Galaxies
Anuj Mishra, Ashish Kumar Meena, Anupreeta More +2
With increasing sensitivities of the current ground-based gravitational-wave (GW) detectors, the prospects of detecting a strongly lensed GW signal are going to be high in the comi…