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Magnification Bias in Gravitational Arc Statistics
G. B. Caminha, J. Estrada, M. Makler
The statistics of gravitational arcs in galaxy clusters is a powerful probe of cluster structure and may provide complementary cosmological constraints. Despite recent progresses,…
Analytic Solutions for Navarro--Frenk--White Lens Models for Low Characteristic Convergences
H. S. Dúmet-Montoya, G. B. Caminha, M. Makler
The Navarro-Frenk-White (NFW) density profile is often used to model gravitational lenses. For low values of the characteristic convergence () of this model - correspond…
On the accuracy of the Perturbative Approach for Strong Lensing: Local Distortion for Pseudo-Elliptical Models
Habib S. Dúmet-Montoya, Gabriel B. Caminha, Bruno Moraes +3
The Perturbative Approach (PA) introduced by \citet{alard07} provides analytic solutions for gravitational arcs by solving the lens equation linearized around the Einstein ring sol…