no code implementations • 28 Jan 2021 • Andrew Robertson
We investigate a recent claim that observed galaxy clusters produce an order of magnitude more galaxy-galaxy strong lensing (GGSL) than simulated clusters in a LCDM cosmology.
Astrophysics of Galaxies
1 code implementation • 20 Nov 2019 • Anna Genina, Justin I. Read, Carlos S. Frenk, Shaun Cole, Alejandro Benitez-Llambay, Aaron D. Ludlow, Julio F. Navarro, Kyle A. Oman, Andrew Robertson
A non-parametric higher-order Jeans analysis method, GravSphere, was recently used to constrain the density profiles of Local Group dwarf galaxies, classifying them into those that are more likely to have an inner dark matter cusp and those that are likely to have a core (Read et al.).
Astrophysics of Galaxies
