The Gamma-ray Cherenkov Telescope, an end-to end Schwarzschild-Couder telescope prototype proposed for the Cherenkov Telescope Array

Dournaux, Jean-Laurent; Abchiche, A.; Allan, Dan; Amans, Jean-Philippe; Armstrong, T. P.; Balzer, A.; Berge, D.; Boisson, C.; Bousquet, J.-J.; Brown, A. M.; Bryan, M.; Buchholtz, G.; Chadwick, P. M.; Costantini, H.; Cotter, Garret; Dangeon, L.; Daniel, M. K.; Franco, Andrea; Frondat, F. De; Dumas, D. J.P.; Ernenwein, J.-P.; Fasola, G.; Funk, S.; Gironnet, J.; Graham, J.; Greenshaw, T.; Hameau, B.; Hervet, O.; Hidaka, N.; Hinton, J. A.; Huet, Jérôme; Jegouzo, I.; Jogler, T.; Kawashima, T.; Kraush, M.; Lapington, J. S.; Laporte, Philippe; Lefaucheur, J.; Markoff, Sera; Melse, T.; Mohrmann, L.; Molyneux, Philippa M.; Nolan, S. J.; Okumura, A.; Osborne, J. P.; Parsons, R. D.; Rosen, S. R.; Ross, D.; Rowell, G.; Rulten, C. B.; Sato, Yoichi; Sayède, Frédéric; Schmoll, J.; Schoorlemmer, H.; Servillat, Mathieu; Sol, H.; Stamatescu, V.; Stéphan, M.; Stuik, Remko; Sykes, J.; Tajima, H.; Thornhill, J.; Tibaldo, L.; Trichard, C.; Vink, Jacco; Watson, Jason; Yamane, N.; Zech, A.; Zink, A.

doi:10.1117/12.2232082

SPIE Proceedings

2016

DOI: 10.1117/12.2232082

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The Gamma-ray Cherenkov Telescope, an end-to end Schwarzschild-Couder telescope prototype proposed for the Cherenkov Telescope Array

Jean-Laurent Dournaux

A. Abchiche

Dan Allan

et al.

Abstract: The GCT (Gamma-ray Cherenkov Telescope) is a dual-mirror prototype of Small-Sized-Telescopes proposed for the Cherenkov Telescope Array (CTA) and made by an Australian-Dutch-French-German-Indian-Japanese-UK-US consortium. The integration of this end-to-end telescope was achieved in 2015. On-site tests and measurements of the first Cherenkov images on the night sky began on November 2015. This contribution describes the telescope and plans for the pre-production and a large scale production within CTA.

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“…The majority of the structural frame is made of standard steel E355. The telescope structure itself is comprised of four main subsystems [6,7] listed hereafter:  The tower. It is a COTS tube equipped with two flanges.…”

mentioning

confidence: 99%

Towards f inal characteris ation and performance of the GCT prototype telescope structure for the Cherenkov Telescope Array

Blanc¹,

Dangeon²,

Hocdé³

et al. 2017

Proceedings of 35th International Cosmic Ray Conference — PoS(ICRC2017)

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The Gamma-ray Cherenkov Telescope (GCT) is an innovative dual-mirror solution proposed for the Small-Size-Telescopes of the future Cherenkov Telescope Array (CTA), capable of imaging the showers induced by cosmic gamma-rays with energies from a few TeV up to 300 TeV. The Schwarzschild-Couder design on which the telescope optical design is based makes possible the construction of a fast telescope (primary mirror diameter 4 m, focal length 2.3 m) with a plate scale well matched to compact photosensors, such as multi-anode or silicon photomultipliers (MAPMs and SiPMs, respectively) for the camera. The prototype GCT on Meudon's site of the Observatoire de Paris saw first Cherenkov light from air showers in November 2015, using an MAPM-based camera. In this contribution, we firstly report on the prototype GCT telescope's performance during its assessment phase. Secondly, we present the telescope configuration during a campaign of observations held in spring 2017. Finally, we describe studies of the telescope structure, such as the pointing and tracking performance.

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mentioning

confidence: 99%

Towards f inal characteris ation and performance of the GCT prototype telescope structure for the Cherenkov Telescope Array

Blanc¹,

Dangeon²,

Hocdé³

et al. 2017

Proceedings of 35th International Cosmic Ray Conference — PoS(ICRC2017)

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The Gamma-ray Cherenkov Telescope, an end-to end Schwarzschild-Couder telescope prototype proposed for the Cherenkov Telescope Array

Cited by 1 publication

References 15 publications

Towards f inal characteris ation and performance of the GCT prototype telescope structure for the Cherenkov Telescope Array

Towards f inal characteris ation and performance of the GCT prototype telescope structure for the Cherenkov Telescope Array

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