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The effects of spiral arms on the multi-phase ISM

Lookup NU author(s): Professor Anvar Shukurov, Dr Graeme Sarson, Professor Axel Brandenburg

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Abstract

Statistical parameters of the ISM driven by thermal energy injections from supernova explosions have been obtained from 3D, nonlinear, magnetohydrodynamic, shearing-box simulations for spiral arm and interarm regions. The density scale height obtained for the interarm regions is 50% larger than for the spiral arms because of the higher gas temperature. The filling factor of the hot gas is also significantly larger between the arms and depends sensitively on magnetic field strength.


Publication metadata

Author(s): Shukurov A, Sarson GR, Nordlund A, Gudiksen B, Brandenburg A

Publication type: Article

Publication status: Published

Journal: Astrophysics and Space Science

Year: 2004

Volume: 289

Issue: 3-4

Pages: 319-322

Print publication date: 01/01/2004

ISSN (print): 0004-640X

ISSN (electronic): 1572-946X

Publisher: Springer

URL: http://dx.doi.org/10.1023/B:ASTR.0000014960.35780.2e

DOI: 10.1023/B:ASTR.0000014960.35780.2e


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