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      The distribution of mean and fluctuating magnetic fields in the multi-phase ISM

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          Abstract

          We explore the effects of the multi-phase structure of the interstellar medium (ISM) on galactic magnetic fields. Basing our analysis on compressible magnetohydrodynamic (MHD) simulations of supernova-driven turbulence in the ISM, we investigate the properties of both the mean and fluctuating components of the magnetic field. We find that the mean magnetic field preferentially resides in the warm phase and is generally absent from the hot phase. The fluctuating magnetic field does not show such pronounced sensitivity to the multi-phase structure.

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          Author and article information

          Journal
          2016-08-08
          2016-09-28
          Article
          1608.02398

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

          Custom metadata
          5 pages, 4 figures
          astro-ph.GA

          Galaxy astrophysics

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