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Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - CRI - Cosmic Ray Indirect
Low Surface Brightness Optical Emission as a Probe of Cosmic Ray Reservoirs
T. Vestrand,* L. Parker
*corresponding author
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Pre-published on: 2019 July 23
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New techniques for detecting low surface brightness optical features are emerging that are enabling previous impossible observations. We briefly discuss the basis for this new approach that employs arrays of telephoto lenses and describe an array that is nearing completion at Los Alamos National Laboratory. We then explore the case for fossil cosmic-ray electron reservoirs in places where the traditional signatures of current activity are not present and discuss how optical inverse Compton emission can be used to search for fossil reservoirs.

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