The distribution of mean and fluctuating magnetic fields in the multiphase interstellar medium

C.~C. Evirgen, F.~A. Gent, A. Shukurov, A. Fletcher, P. Bushby

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Abstract

We explore the effects of the multiphase structure of the interstellar medium (ISM) on galactic magnetic fields. Basing our analysis on compressible magnetohydrodynamic 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 multiphase structure.
Original languageEnglish
Pages (from-to)L105-L109
JournalMonthly Notices of the Royal Astronomical Society
Volume464
DOIs
Publication statusPublished - 1 Jan 2017
MoE publication typeA1 Journal article-refereed

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