Cosmic magnetism in centimeter- and meter-wavelength radio astronomy

• DOI: 10.1093/pasj/psx123
• Publication Date: 2017-10-11T11:09:35Z
• Authors: Takuya Akahori; Hiroyuki Nakanishi; Yoshiaki Sofue; Yutaka Fujita; Kiyotomo Ichiki; Shinsuke Ideguchi; Osamu Kameya; Takahiro Kudoh; Yuki Kudoh; Mami Machida; Yoshimitsu Miyashita; Hiroshi Ohno; Takeaki Ozawa; Keitaro Takahashi; Motokazu Takizawa; Dai G Yamazaki
• Keywords: High Energy Astrophysical Phenomena (astro-ph.HE); 0103 physical sciences; FOS: Physical sciences; Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Instrumentation and Methods for Astrophysics; Instrumentation and Methods for Astrophysics (astro-ph.IM); 01 natural sciences

Abstract The magnetic field is ubiquitous in the universe. Though it plays an essential role in various astrophysical phenomena, its real origin and evolution are poorly known. This article reviews the understanding of the latest research concerning magnetic fields in the interstellar medium, the Milky Way Galaxy, external galaxies, active galactic nuclei, clusters of galaxies, and the cosmic web. Particularly, the review is concentrated in the achievements that have been provided by centimeter- and meter-wavelength radio observations. The article also introduces various methods for analyzing linear polarization data, including synchrotron radiation, Faraday rotation, depolarization, and Faraday tomography.