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The Compact High Energy Camera (CHEC) is a camera-development project involving UK, US, Japanese and Dutch institutes for the dual-mirror Small-Sized Telescopes (SST-2M) of the Cherenkov Telescope Array (CTA). Two CHEC prototypes, based on…

The Cherenkov Telescope Array (CTA) is the next generation very high-energy gamma-ray observatory, with at least 10 times higher sensitivity than current instruments. CTA will comprise several tens of Imaging Atmospheric Cherenkov…

The SST-1M is one of three prototype small-sized telescope designs proposed for the Cherenkov Telescope Array, and is built by a consortium of Polish and Swiss institutions. The SST-1M will operate with DigiCam - an innovative, compact…

The Large Area Water Cherenkov Array (LAWCA) experiment focuses on high energy gamma astronomy between 100 GeV and 30 TeV. Invoked by the idea of hardware triggerless structure, a prototype of LAWCA trigger electronics is implemented in one…

Instrumentation and Detectors · Physics 2013-05-22 Yao Lin , Zhao Lei , Shang Lin-Feng , Liu Shu-Bin , An Qi

For the proposed Cherenkov Telescope Array (CTA), a post-calibration point-source location accuracy of 3 seconds of arc is aimed for under favorable observing conditions and for gamma-ray energies exceeding 100 GeV. In this contribution,…

Instrumentation and Methods for Astrophysics · Physics 2015-09-08 Stefan Eschbach , Alexander Ziegler , Christopher van Eldik , Johannes Veh , David Berge , Markus Gaug

The All Sky Camera (ASC) was developed as a universal device for the monitoring of the night sky quality. Eight ASCs are already installed and measure night sky parameters at eight of the candidate sites of the Cherenkov Telescope Array…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Dušan Mandát , Miroslav Pech , Jan Ebr , Miroslav Hrabovský , Michael Prouza , Tomasz Bulik , Ingomar Allekotte

The ASTRI project aims to develop, in the framework of the Cherenkov Telescope Array, an end-to-end prototype of the small-size telescope, devoted to the investigation of the energy range ~ 1-100 TeV. The proposed design is characterized by…

Instrumentation and Methods for Astrophysics · Physics 2017-08-23 N. La Palombara , P. Caraveo , M. Fiorini , L. Stringhetti , R. Canestrari , R. Millul , G. Pareschi , O. Catalano , M. C. Maccarone , S. Vercellone , E. Giro , G. Tosti

The future Cherenkov Telescope Array (CTA) will consist of several tens of telescopes of different mirror sizes. CTA will provide next generation sensitivity to very high energy photons from few tens of GeV to >100 TeV. Several focal plane…

With its unprecedented light-collecting area for night-sky observations, the Cherenkov Telescope Array (CTA) holds great potential for also optical stellar astronomy, in particular as a multi-element intensity interferometer for realizing…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Dainis Dravins , Stephan LeBohec , Hannes Jensen , Paul D. Nuñez

Cherenkov telescopes image the Cherenkov emission from air showers. A priori, it is not obvious if the `best' images are achieved by measuring Cherenkov photon angles, i.e. focusing the telescope at infinity, or by considering the air…

Astrophysics · Physics 2008-11-26 Werner Hofmann

The Gamma Cherenkov Telescope (GCT) is proposed to be part of the Small Size Telescope (SST) array of the Cherenkov Telescope Array (CTA). The GCT dual-mirror optical design allows the use of a compact camera of diameter roughly 0.4 m. The…

We present the current development of the Monitoring, Logging and Alarm subsystems in the framework of the Array Control and Data Acquisition System (ACADA) for the Cherenkov Telescope Array (CTA). The Monitoring System (MON) is the…

Instrumentation and Methods for Astrophysics · Physics 2022-09-28 Alessandro Costa , Kevin Munari , Federico Incardona , Pietro Bruno , Stefano Germani , Alessandro Grillo , Igor Oya , Eva Sciacca , Ugo Becciani , Mario Raciti

This paper is concerned with the performance optimisation of an stereoscopic array of imaging atmospheric Cherenkov telescopes (IACTs) as a function of their positioning on the ground. In this first work we are concerned primarily with the…

Instrumentation and Methods for Astrophysics · Physics 2019-07-30 Bruno Fontes Souto , Ulisses Barres de Almeida

Atmospheric monitoring is an integral part of the design of the Cherenkov Telescope Array (CTA), as atmospheric conditions affect the observations by Imaging Atmospheric Cherenkov Telescopes (IACT) in multiple ways. The variable optical…

Instrumentation and Methods for Astrophysics · Physics 2018-01-22 Jan Ebr , Tomasz Bulik , Lluis Font , Markus Gaug , Petr Janecek , Jakub Jurysek , Dusan Mandat , Stanislav Stefanik , Laura Valore , George Vasileiadis

Ground-based Imaging Cherenkov Telescope Arrays observe the Cherenkov radiation emitted in extended atmospheric showers generated by cosmic gamma rays in the TeV regime. The rate of these events is normally overwhelmed by 2-3 orders of…

High Energy Astrophysical Phenomena · Physics 2017-04-05 Michele Doro

A long-held astronomical vision is to realize diffraction-limited optical aperture synthesis over kilometer baselines. This will enable imaging of stellar surfaces and their environments, show their evolution over time, and reveal…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Dainis Dravins , Tiphaine Lagadec

Atmospheric air Cherenkov telescopes are successfully used for ground-based, very high-energy (VHE) gamma ray astronomy. Triggers from the so-called single muon and other long-flying relativistic charged particle events are an unwanted…

Astrophysics · Physics 2009-11-11 R. Mirzoyan , D. Sobczynska , E. Lorenz , M. Teshima

The Imaging Atmospheric Cherenkov technique allows to detect very high energy gamma rays from few tens of GeV to hundreds of TeV using ground-based instrumentation. At these energies a gamma ray generates a shower of secondary particles…

Instrumentation and Methods for Astrophysics · Physics 2023-06-13 Juan Cortina , Carlos Delgado

The Yakutsk array group is developing a wide field-of-view Cherenkov telescope to be operated in coincidence with the surface detectors of the extensive air shower array. Currently, the engineering prototype of the reflecting telescope with…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 A. A. Ivanov , S. P. Knurenko , A. D. Krasilnikov , Z. E. Petrov , M. I. Pravdin , I. Ye. Sleptsov , L. V. Timofeev

The Cherenkov Telescope Array (CTA) will be the next generation of ground-based instrument for Very High Energy gamma-ray astronomy. It will improve the sensitivity of current telescopes by up to an order of magnitude and provide energy…

Instrumentation and Methods for Astrophysics · Physics 2017-09-04 P. Cumani , T. Hassan , L. Arrabito , K. Bernlöhr , J. Bregeon , G. Maier , A. Moralejo