Cosmic magnetic fields in clusters of galaxies and their analysis

Details Cosmic magnetic fields in clusters of galaxies and their analysis Cosmic magnetic fields in clusters of galaxies and their analysis

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009iaus..259..571g&link_type=abstract

Cosmic Magnetic Fields: From Planets, to Stars and Galaxies, Proceedings of the International Astronomical Union, IAU Symposium,

Astronomy and Astrophysics

Astronomy

Galaxies: Clusters: General, Galaxies: Magnetic Fields, Magnetic Fields, Radio Continuum: Galaxies, Polarization, Methods: Data Analysis

Scientific paper

We discuss how measurements of linear polarisation of cluster background and embedded sources can be used to study cluster magnetic fields via Faraday rotation. We make forecasts for up-coming radio instruments on the basis of synthetic radio sky observations. Our mock polarised sky is modelled to agree with the sparse available data. By applying Bayesian statistical analysis methods, such as Markov Chain Monte Carlo and nested sampling techniques, we investigate which constraints can be placed on cluster magnetic field properties.

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