no code implementations • 3 Dec 2020 • John A. ZuHone, Maxim Markevitch, Rainer Weinberger, Paul Nulsen, Kristian Ehlert
Many relics are found in the cluster periphery and have a cluster-centric, narrow arc-like shape, which suggests that the electrons are accelerated or re-accelerated by merger shock fronts propagating outward in the intracluster plasma.
High Energy Astrophysical Phenomena Cosmology and Nongalactic Astrophysics
no code implementations • 2 Dec 2020 • Catherine E. Grant, Eric D. Miller, Marshall W. Bautz, Tanja Eraerds, Silvano Molendi, Jonathan Keelan, David Hall, Andrew D. Holland, Ralph P. Kraft, Esra Bulbul, Paul Nulsen, Steven Allen
One of the science goals of the Wide Field Imager (WFI) on ESA's Athena X-ray observatory is to map hot gas structures in the universe, such as clusters and groups of galaxies and the intergalactic medium.
Instrumentation and Methods for Astrophysics
no code implementations • 21 Mar 2017 • M. C. David Marsh, Helen R. Russell, Andrew C. Fabian, Brian R. McNamara, Paul Nulsen, Christopher S. Reynolds
Axion-like particles (ALPs) and photons can quantum mechanically interconvert when propagating through magnetic fields, and ALP-photon conversion may induce oscillatory features in the spectra of astrophysical sources.
High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics High Energy Astrophysical Phenomena
