Simulating Cosmic Rays in the Large Magellanic Cloud

Details Simulating Cosmic Rays in the Large Magellanic Cloud Simulating Cosmic Rays in the Large Magellanic Cloud

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21714701r&link_type=abstract

American Astronomical Society, AAS Meeting #217, #147.01; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

Fermi observations of the Large Magellanic Cloud (LMC) strongly support the idea that cosmic-ray acceleration is associated with regions of ongoing massive star formation. Because it is so close, the LMC is well-resolved in a variety of wavebands, and existing observations place good constraints on its gas distribution and recent star formation history. These facts make the LMC an excellent validation case for the numerical models of cosmic rays used in galaxy cluster simulations. We present preliminary results from a project to incorporate cosmic-ray acceleration and transport into the FLASH adaptive mesh refinement (AMR) simulation code, with particular emphasis on the use of LMC observations to constrain the acceleration efficiency and diffusive length scales of cosmic rays.
This research is supported by NASA under Fermi Guest Investigator grant NNX10AO78G.

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