3D numerical models of magnetic field evolution in galaxies interacting with the ICM

Details 3D numerical models of magnetic field evolution in galaxies interacting with the ICM 3D numerical models of magnetic field evolution in galaxies interacting with the ICM

Jul 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ap%26ss.281..293o&link_type=abstract

Astrophysics and Space Science, v. 281, Issue 1, p. 293-296 (2002).

Astronomy and Astrophysics

Astrophysics

Magnetic Fields, Galaxies, Numerical Simulations

Scientific paper

A fully three-dimensional (3D) MHD model is applied to simulate the evolution of large-scale magnetic field in galaxies interacting with the intra-cluster medium (ICM). As the model input we use a time dependent velocity field of gas clouds (HI) resulting from 3D N-body sticky-particle model of a galaxy. These clouds are affected by ram pressure due to their rapid motion through the ICM. The gas evolves in an analytically given gravitational potential which includes a dark matter halo, a disk, and a bulge component. We found that due to the interaction with the ICM the resultant magnetic field correctly reproduces the observed structures of the magnetic field forming peculiar spiral arms and magnetic features widely observed in cluster spiral galaxies.

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