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Final characterisation and design of the Gamma-ray Cherenkov Telescope (GCT) for the Cherenkov Telescope Array
Author(s): O. Le Blanc; G. Fasola; J. M. Huet; R. White; A. Dmytriiev; H. Sol; A. Zech; A. Abchiche; J. P. Amans; T. P. Armstrong; M. Barcelo; D. Berge; A. M. Brown; G. Buchholtz; P. M. Chadwick; P. Clark; G. Cotter; L. Dangeon; F. De Frondat; P. Deiml; J. L. Dournaux; C. Duffy; S. Einecke; S. Flis; S. Funk; G. Giavitto; J. Gironnet; J. A. Graham; T. Greenshaw; J. A. Hinton; I. Jégouzo; M. Kraus; J. S. Lapington; P. Laporte; S. A. Leach; S. Lloyd; I. A. Minaya; R. Morier; A. Okumura; H. Prokoph; D. Ross; G. Rowell; C. B. Rulten; H. Schoorlemmer; J. Schmoll; S. T. Spencer; M. Stephan; R. Stuik; H. Tajima; J. Thornhill; L. Tibaldo; J. Vink; J. J. Watson; J. Williams; A. Zink; J. Zorn
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Paper Abstract

The Gamma-ray Cherenkov Telescope (GCT) is one of the telescopes proposed for the Small Sized Telescope (SST) section of CTA. Based on a dual-mirror Schwarzschild-Couder design, which allows for more compact telescopes and cameras than the usual single-mirror designs, it will be equipped with a Compact High-Energy Camera (CHEC) based on silicon photomultipliers (SiPM). In 2015, the GCT prototype was the first dual-mirror telescope constructed in the prospect of CTA to record Cherenkov light on the night sky. Further tests and observations have been performed since then. This report describes the current status of the GCT, the results of tests performed to demonstrate its compliance with CTA requirements, and the optimisation of the design for mass production. The GCT collaboration, including teams from Australia, France, Germany, Japan, the Netherlands and the United Kingdom, plans to install the first telescopes on site in Chile for 2019-2020 as part of the CTA pre-production phase.

Paper Details

Date Published: 6 July 2018
PDF: 20 pages
Proc. SPIE 10700, Ground-based and Airborne Telescopes VII, 1070010 (6 July 2018); doi: 10.1117/12.2313158
Show Author Affiliations
O. Le Blanc, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
G. Fasola, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
J. M. Huet, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
R. White, Max-Planck-Institut für Kernphysik (Germany)
A. Dmytriiev, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
H. Sol, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
A. Zech, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
A. Abchiche, CNRS, DT-INSU (France)
J. P. Amans, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
T. P. Armstrong, Univ. of Oxford (United Kingdom)
M. Barcelo, Max-Planck-Institut für Kernphysik (Germany)
D. Berge, Deutsches Elektronen-Synchrotron (Germany)
A. M. Brown, Durham Univ. (United Kingdom)
G. Buchholtz, CNRS, DT-INSU (France)
P. M. Chadwick, Durham Univ. (United Kingdom)
P. Clark, Durham Univ. (United Kingdom)
G. Cotter, Univ. of Oxford (United Kingdom)
L. Dangeon, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
F. De Frondat, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
P. Deiml, Erlangen Ctr. for Astroparticle Physics (Germany)
J. L. Dournaux, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
C. Duffy, Univ. of Leicester (United Kingdom)
S. Einecke, The Univ. of Adelaide (Australia)
S. Flis, Deutsches Elektronen-Synchrotron (Germany)
S. Funk, Erlangen Ctr. for Astroparticle Physics (Germany)
G. Giavitto, Deutsches Elektronen-Synchrotron (Germany)
J. Gironnet, CNRS, DT-INSU (France)
J. A. Graham, Durham Univ. (United Kingdom)
T. Greenshaw, Univ. of Liverpool (United Kingdom)
J. A. Hinton, Max-Planck-Institut für Kernphysik (Germany)
I. Jégouzo, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
M. Kraus, Erlangen Ctr. for Astroparticle Physics (Germany)
J. S. Lapington, Univ. of Leicester (United Kingdom)
P. Laporte, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
S. A. Leach, Univ. of Leicester (United Kingdom)
S. Lloyd, Durham Univ. (United Kingdom)
I. A. Minaya, Univ. of Liverpool (United Kingdom)
R. Morier, Observatoire de Paris, CNRS, PSL Research Univ., LUTH & GEPI (France)
A. Okumura, Nagoya Univ. (Japan)
H. Prokoph, Deutsches Elektronen-Synchrotron (Germany)
D. Ross, Univ. of Leicester (United Kingdom)
G. Rowell, The Univ. of Adelaide (Australia)
C. B. Rulten, Durham Univ. (United Kingdom)
H. Schoorlemmer, Max-Planck-Institut für Kernphysik (Germany)
J. Schmoll, Durham Univ. (United Kingdom)
S. T. Spencer, Univ. of Oxford (United Kingdom)
M. Stephan, Univ. of Amsterdam (Netherlands)
R. Stuik, Leiden Observatory (Netherlands)
Leiden Univ. (Netherlands)
H. Tajima, Nagoya Univ. (Japan)
J. Thornhill, Univ. of Leicester (United Kingdom)
L. Tibaldo, Institut de Recherche en Astrophysique et Planétologie (France)
J. Vink, Univ. of Amsterdam (Netherlands)
J. J. Watson, Univ. of Oxford (United Kingdom)
J. Williams, Univ. of Leicester (United Kingdom)
A. Zink, Erlangen Ctr. for Astroparticle Physics (Germany)
J. Zorn, Max-Planck-Institut für Kernphysik (Germany)


Published in SPIE Proceedings Vol. 10700:
Ground-based and Airborne Telescopes VII
Heather K. Marshall; Jason Spyromilio; Roberto Gilmozzi, Editor(s)

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