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EP: Fachverband Extraterrestrische Physik

EP 11: Astrophysics I

EP 11.4: Vortrag

Donnerstag, 2. April 2020, 17:15–17:30, H-HS VIII

Dust tomography and Faraday charting of the Milky Way — •Torsten Enßlin, Sebastian Hutschenreuter, and Reimar Leike — MPI für Astrophysik

The interstellar medium of the Milky Way is a complex multi-component system. Recent progress in charting out its components with the aid of information field theory (IFT) are presented here. IFT based Galactic dust tomography permitted to map the dust distribution in and around the local super-bubble in three dimensions. The simultaneously reconstructed power spectrum of the dust structures is consistent with dust fragmentation simulations. Furthermore, IFT based modelling of the Galactic Faraday rotation signal incorporating free-free emission data not only provides an improved Faraday sky map, it also reveals the preferred alignment of the local Galactic magnetic field with the Orion spiral arm.