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High Altitude Gamma Ray Telescopes at Indian Astronomical Observatory, Hanle
High Altitude Gamma Ray Telescope, HAGAR is an Atmospheric Cerenkov
experiment with 7 telescopes, each with 7 mirrors of total area of 4.4
square meters, the total light gathering area of 7 telescopes is thus 31
square meters. The telescopes are deployed on the periphery of a circle
of radius 50 meters with one telescope at the center. Each telescope
has alt azimuth mounting. Each of the 7 mirrors in each telescope is
looked at by a UV sensitive PhotoMultiplier Tube.
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