Status and performance of the ASTRI-Horn dual mirror air-Cherenkov telescope after a major maintenance and refurbishment intervention

Leto, G.; Bellassai, G.; Bigongiari, C.; Biondo, B.; Brunò, Giuseppe; Capalbi, M.; Catalano, O.; Conforti, Vito; Contino, G.; Compagnino, Antonio Alessio; Corpora, M.; Crestan, S.; Gargano, C.; Garozzo, S.; Gianotti, F.; Giordano, V.; Grillo, A.; Iovenitti, Simone; Palombara, N. La; Gerfo, Fabio Paolo Lo; Lombardi, S.; Marano, D.; Martinetti, E.; Micciché, Antonio; Millul, R.; Mineo, T.; Mollica, Davide; Nicotra, Gaetano; Pareschi, G.; Russo, F.; Sangiorgi, Pierluca; Sironi, G.; Scuderi, S.; Sottile, G.; Tosti, G.

doi:10.22323/1.444.0729

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“…The ASTRI Mini-Array [1] is an INAF project aimed to observe astronomical sources emitting at very high-energy in the TeV spectral band. It consists of an array of nine innovative Imaging Atmospheric Cherenkov Telescopes (IACT), that are an evolution of the double-mirror ASTRI-Horn telescope [2] successfully tested since 2014 and operating at the INAF "M.G. Fracastoro" observing station (Serra La Nave, Mount Etna, Italy).…”

Section: Introductionmentioning

confidence: 99%

The ASTRI Mini-Array calibration software system

Mineo,

Compagnino,

Contino

et al. 2023

Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)

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Section: Introductionmentioning

confidence: 99%

The ASTRI Mini-Array calibration software system

Mineo,

Compagnino,

Contino

et al. 2023

Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023)

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Production via thermal slumping of large glass monolithic secondary mirrors (1.8 m diameter) for Schwarzschild-Couder air-Cherenkov gamma-ray telescopes

Sironi,

Proserpio,

Millul

et al. 2024

Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI

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The standard design for 4-meter diameter class Imaging Atmospheric Cherenkov Telescopes (IACTs) used in groundbased gamma-ray astronomy is the dual-mirror Schwarzschild-Couder-like configuration. This design has been adopted for the telescopes in the ASTRI-Horn and ASTRI Mini-Array experiments (1 + 9 telescopes) and the construction of the 37 telescopes in the Small Size Telescope (SST) sub-array of the Cherenkov Telescope Array Observatory (CTAO) in Chile. The design provides an aplanatic optical response across a field of view wider than 10 degrees and is suitable for compact cameras using small pixels such as SiPM sensors. The telescopes feature secondary mirrors with a diameter of 1.8 meters, made of monolithic glass using a hot-slumping replication process. The paper discusses the manufacturing and characterization results of the prototype mirrors.

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Status and performance of the ASTRI-Horn dual mirror air-Cherenkov telescope after a major maintenance and refurbishment intervention

Cited by 2 publications

References 8 publications

The ASTRI Mini-Array calibration software system

The ASTRI Mini-Array calibration software system

Production via thermal slumping of large glass monolithic secondary mirrors (1.8 m diameter) for Schwarzschild-Couder air-Cherenkov gamma-ray telescopes

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