The first telescope of the HEGRA air Cherenkov imaging telescope array

Details The first telescope of the HEGRA air Cherenkov imaging telescope array The first telescope of the HEGRA air Cherenkov imaging telescope array

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994nimpa.351..513m&link_type=abstract

Nuclear Instruments and Methods in Physics Research Section A, Volume 351, Issue 2-3, p. 513-526.

Physics

38

Scientific paper

In search of VHE γ ray emission from cosmic point sources a system of imaging Cherenkov telescopes is constructed at present on the Canarian island of La Palma; the first telescope has been operational since 1992. The Cherenkov light from air shower particles is collected by a 5 m2 reflector. The camera at the focus contains 37 photomultipliers which sample the images of the Cherenkov flashes. The subsequent image analysis allows the discrimination of γ ray induced events from the much more abundant charged cosmic ray induced showers. The telescope has an effective energy threshold for γ showers of about 1.5 TeV. During the first year of operation a signal from the Crab nebula was detected.

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