Bonn 2020 – wissenschaftliches Programm
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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.