ASTRI for the Cherenkov Telescope Array
Maria Concetta Maccarone (for the CTA ASTRI Project)

TL;DR
The paper discusses the development and commissioning of the ASTRI SST-2M telescope prototype, a key precursor for the Cherenkov Telescope Array's small size telescope array, featuring innovative dual-mirror design and silicon photomultiplier sensors.
Contribution
It introduces the design, construction, and initial testing of the ASTRI SST-2M prototype, advancing the technological readiness for CTA's small size telescope array.
Findings
Prototype completed commissioning phase
Performance aligns with Monte Carlo predictions
Ready for science verification with bright TeV sources
Abstract
The Cherenkov Telescope Array (CTA) will be the largest ground-based observatory operating in the very-high-energy gamma-ray (20 GeV - 300 TeV) range. It will be based on more than one hundred telescopes, located at two sites (northern and southern hemispheres). The energy coverage, in the southern CTA array, will extend up to hundreds of TeV thanks to 70 small size telescopes (SST), with primary mirrors of about 4 meters in diameter and large field of view of the order of 9 degrees. It is proposed that one of the first sets of precursors for the CTA SSTs array will be represented by nine ASTRI telescopes. Their prototype, named ASTRI SST-2M, is installed in Italy. It is currently completing the overall commissioning before entering the science verification phase that will performed observing bright TeV sources as Crab Nebula, Mrk421 and Mrk 501 cross-checking the prototype performance…
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