http://arxiv.org/abs/2112.03635
Galaxy groups constitute the most common class of galaxy systems in the known Universe, unique in terms of environmental properties. However, despite recent advances in optical and infrared observations as well as in theoretical research, little is known about magnetic fields and the associated continuum radio emission. Studies on this issue have only been conducted in recent years, and many questions have yet to be resolved. This article aims to put the study of group magnetism in a broader context, to present recent advances in the field (mainly achieved with low-frequency radio interferometers), and to list the issues that need to be addressed in future observations. To make it easier for the Readers to get acquainted with the concepts presented in the manuscript, radio observations of two sample groups of galaxies are also presented.
B. Nikiel-Wroczyński
Wed, 8 Dec 21
52/77
Comments: 18 pages, 2 multi-panel figures; This paper is designed as a longer version of the presentation entitled “Somewhere in between: tracing the radio emission from galaxy groups”, delivered during the “A new window on the radio emission from galaxies, clusters and cosmic web” conference, on 9th March of 2021