A pointing solution for the medium size telescopes for the Cherenkov Telescope Array
August 16, 2017
August 03, 2018
The pointing capability of a telescope in the Cherenkov Telescope Array (CTA) is a crucial aspect in the calibration of the instrument. It describes how a position in the sky is transformed to the focal plane of the telescope and allows precise directional reconstructions of atmospheric particle showers.
The favoured approach for pointing calibrations of the Medium Size Telescopes (MST) is the utilisation of an CCD-camera installed in the centre of the dish, which images the night sky and the focal plane simultaneously.
The technical implementation of this solution and test results taken over a period of one year at the MST prototype in Berlin/Adlershof are presented. Investigations of pointing calibration precision with simulated data and real data taken during test runs of the prototype telescope will also be shown.
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