High Energy Gamma Ray Astronomy
High Energy Gamma Ray Astronomy (HEGRA) was an experiment to detect high energy gamma rays from astronomical objects.
HEGRA was in operation from 1987 to 2002 at an altitude of 2200 m at the Roque-de-los-Muchachos observatory on the Canary Island of La Palma . Using different types of detectors to detect the secondary particles in air showers and the Cherenkov radiation they generated , HEGRA was sensitive in the range 0.5-10000 TeV . The detection of the highest energy gamma rays from various celestial objects such as supernova remnants and active galactic nuclei was successful .
HEGRA was a collaboration between institutes in Germany, Spain and Armenia. Follow-up experiments are High Energy Stereoscopic System and MAGIC .
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Coordinates: 28 ° 45 ′ 42 " N , 17 ° 53 ′ 27" W.