7-11 July 2014
Africa/Johannesburg timezone
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Numerical studies of non-thermal processes in galaxy clusters

Presented by Mr. Remudin Reshid MEKURIA on 9 Jul 2014 from 15:20 to 15:40
Type: Oral Presentation
Session: Space
Track: Track D1 - Astrophysics

Abstract

Galaxy clusters are the largest gravitationally bound structures consisting of 85 % dark matter, and ~15 % baryons. The hot and dense central parts of galaxy clusters contain an intra-cluster medium of ionized gas, high energy photons, relativistic particles, cosmic rays, magnetic fields, that are manifesting the non-thermal processes taking place in a galaxy cluster. Using numerical simulations we study the non-thermal processes in galaxy clusters. Based on large number of high resolution dark matter density maps of simulated clusters, we develop analytical models in order to determine the dark matter annihilation flux and predict the gamma-ray emission as well as the cosmic rays distribution in a galaxy clusters.

Award

yes

Level

PhD

Supervisor

Sergio Colafrancesco, Sergio.Colafrancesco@wits.ac.za, School of Physics

Paper

Yes

Place

Room: D Les 204


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