IACT
IACT
IACT stands for Imaging Atmospheric Cherenkov Telescope or Technique. It is a device or method to detect very high energy gamma-ray photons in the 50 GeV to 50 TeV range. There are currently three operating IACT systems: H.E.S.S., MAGIC, and VERITAS. Currently under design is the Cherenkov Telescope Array .The above text is a snippet from Wikipedia: IACT
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