Performance of ASTRI-1 the first telescope of the ASTRI mini-array

Salvatore Scuderi; Adriano Ghedina; Giorgia Sironi; Pietro Bruno; Mauro Fiorini; Carmelo Gargano; Stefano Germani; Valentina Giordano; Christine Grivel Gelly; Simone Iovenitti; Salvatore Incorvaia; Giorgio Toso; Gino Tosti; Michela Uslenghi; Giovanni Pareschi

doi:10.1117/12.3018875

11 September 2024 Performance of ASTRI-1 the first telescope of the ASTRI mini-array

Salvatore Scuderi, Adriano Ghedina, Giorgia Sironi, Pietro Bruno, Mauro Fiorini, Carmelo Gargano, Stefano Germani, Valentina Giordano, Christine Grivel Gelly, Simone Iovenitti, Salvatore Incorvaia, Giorgio Toso, Gino Tosti, Michela Uslenghi, Giovanni Pareschi

Author Affiliations +

Proceedings Volume 13094, Ground-based and Airborne Telescopes X; 130940W (2024) https://doi.org/10.1117/12.3018875
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

The ASTRI Mini-Array is a collaborative international effort led by the Italian National Institute for Astrophysics (INAF) to develop, build and operate a facility of nine Imaging Atmospheric Cherenkov Telescopes of the four meters class to study astronomical sources emitting very high energy gamma-rays in the TeV spectral band. The ASTRI Mini- Array is currently under construction on the island of Tenerife at the Observatorio del Teide based on a host agreement with the Instituto de Astrofísica de Canarias. The telescopes are alt-azimuthal with an innovative aplanatic dual mirror optical configuration. The first telescope of the ASTRI Mini-Array, named ASTRI-1, was installed at the end of summer 2022. In this paper we report on the results of the opto-mechanical characterization of the telescope. In particular, we analyzed the mechanical behavior of the telescope and we measured the pointing and tracking performance that resulted within the requirements. We tested the procedure to align and focus the panels of the primary mirror automatically. All the software procedures to run the telescope and perform these analyses were also tested.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Salvatore Scuderi, Adriano Ghedina, Giorgia Sironi, Pietro Bruno, Mauro Fiorini, Carmelo Gargano, Stefano Germani, Valentina Giordano, Christine Grivel Gelly, Simone Iovenitti, Salvatore Incorvaia, Giorgio Toso, Gino Tosti, Michela Uslenghi, and Giovanni Pareschi "Performance of ASTRI-1 the first telescope of the ASTRI mini-array", Proc. SPIE 13094, Ground-based and Airborne Telescopes X, 130940W (11 September 2024); https://doi.org/10.1117/12.3018875

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