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The ASTRI-Horn telescope validation toward the production of the ASTRI Mini-Array: a proposed pathfinder for the Cherenkov Telescope Array
Author(s): Enrico Giro; Rodolfo Canestrari; Pietro Bruno; Osvaldo Catalano; Dino Fugazza; Nicola La Palombara; Maria Concetta Maccarone; Giovanni Pareschi; Federico Russo; Salvatore Scuderi; Alberto Segreto; Giorgia Sironi; Gino Tosti; G. Marchiori; A. Busatta; E. Marcuzzi; I. Folla
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Paper Abstract

ASTRI-Horn is a small-sized Cherenkov telescope (SST) developed by the Italian National Institute of Astrophysics (INAF) for very-high energy gamma-ray astronomy. It is characterized by a dual-mirror optical system and a curved focal surface covered by SiPM sensors managed by a non-conventional fast front-end electronics. Installed in Italy at the INAF "M.C. Fracastoro" observing station (Mt. Etna, Sicily), ASTRI-Horn has been developed implementing a complete end-to-end approach that includes all aspects from the design, construction and implementation of the entire hardware and software system to the final scientific products. ASTRI-Horn is the prototype for nine SSTs that will form the ASTRI mini-array, considered by INAF as pathfinder for the Cherenkov Telescope Array (CTA). This phase will permit to exploit previous experimented technologies for the realization of the telescope structure and mirrors in a large production scale. After a short description of the major results obtained by the prototype in Serra La Nave, the proposed design of the new telescope structure and the status of the production of the optics are described. Moreover a review about the integration and alignment strategies to reach the required performance of the mini-array is reported.

Paper Details

Date Published: 9 September 2019
PDF: 15 pages
Proc. SPIE 11119, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX, 111191E (9 September 2019); doi: 10.1117/12.2530896
Show Author Affiliations
Enrico Giro, INAF - Osservatorio Astronomico di Brera (Italy)
INAF - Osservatorio Astronomico di Padova (Italy)
Rodolfo Canestrari, Istituto Nazionale di Astrofisica (Italy)
Pietro Bruno, INAF - Osservatorio Astrofisico di Catania (Italy)
Osvaldo Catalano, Istituto Nazionale di Astrofisica (Italy)
Dino Fugazza, INAF - Osservatorio Astronomico di Brera (Italy)
Nicola La Palombara, INAF - IASF Milano (Italy)
Maria Concetta Maccarone, INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (Italy)
Giovanni Pareschi, INAF - Osservatorio Astronomico di Brera (Italy)
Federico Russo, INAF OAS Bologna (Italy)
Salvatore Scuderi, INAF - Osservatorio Atrofisico di Catania (Italy)
INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica di Milano (Italy)
Alberto Segreto, INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (Italy)
Giorgia Sironi, INAF - Osservatorio Astronomico di Brera (Italy)
Gino Tosti, Univ. degli Studi di Perugia (Italy)
G. Marchiori, EIE Group s.r.l. (Italy)
A. Busatta, EIE Group s.r.l. (Italy)
E. Marcuzzi, EIE Group s.r.l. (Italy)
I. Folla, Galbiati Group (Italy)


Published in SPIE Proceedings Vol. 11119:
Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX
Stephen L. O'Dell; Giovanni Pareschi, Editor(s)

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