PoS - Proceedings of Science
Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - GRI - Gamma Ray Indirect
Muon calibration of the ASTRI-Horn telescope: preliminary results
T. Mineo*, M.C. Maccarone, A. Compagnino, M. Capalbi, O. Catalano, G. Contino, D. Impiombato, P. Sangiorgi, S. Garozzo, D. Marano, V. Conforti  on behalf of the CTA ASTRI Project
Full text: pdf
Pre-published on: July 22, 2019
Published on: July 02, 2021
Astri-Horn is a Small-Sized Telescope (SST) for very-high energy gamma-ray astronomy installed in Italy at the INAF "M.C. Fracastoro" observing station (Mt. Etna, Sicily). The ASTRI-Horn telescope is characterized by a dual-mirror optical system and a curved focal surface covered by SiPM sensors managed by a innovative fast front-end electronics.
Dedicated studies were performed to verify the feasibility of the calibration through muons on the relatively small size of the primary mirror (~4 m diameter), as in the case of larger Cherenkov telescopes. A number of tests were performed using simulations of the atmospheric showers with the CORSIKA package and of the telescope response with a dedicated simulator.
In this contribution we present a preliminary analysis of muon events detected by ASTRI-Horn during the regular scientific data taking performed in December 2018 and March 2019. These muon events validate the results obtained with the simulations and definitively confirm the feasibility of calibrating the ASTRI-Horn SST telescope with muons.
DOI: https://doi.org/10.22323/1.358.0744
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