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In the $\gamma$-ray Cherenkov Astronomy framework mirror coating plays a crucial role in defining the light response of the telescope. We carried out a study for new mirror coating solutions with both a numerical simulation software and a…

Instrumentation and Methods for Astrophysics · Physics 2014-06-04 Antonio Bonardi , Gerd Pühlhofer , Stephan Hermanutz , Andrea Santangelo

The Cherenkov Telescope Array (CTA) will be the next-generation observatory in the field of very-high-energy (20 GeV to 300 TeV) gamma-ray astroparticle physics. Classically, data analysis in the field maximizes sensitivity by applying…

Instrumentation and Methods for Astrophysics · Physics 2021-08-24 T. Hassan , O. Gueta , G. Maier , M. Nöthe , M. Peresano , I. Vovk

The site selection group for the future Cherenkov Telescope Array (CTA) has deployed sensitive light sensors at 9 candidate sites, 5 of them in the Southern and 4 in the Northern hemisphere. The sensors are equipped with a PIN diode and a…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Markus Gaug

In the framework of the Cherenkov Telescope Array (CTA), the GCT (Gamma-ray Cherenkov Telescope) team is building a dual-mirror telescope as one of the proposed prototypes for the CTA small size class of telescopes. The telescope is based…

High Energy Astrophysical Phenomena · Physics 2019-08-14 H. Costantini , J. -L. Dournaux , J. -P. Ernenwein , Ph. Laporte , H. Sol

Pointing calibration is an offline correction applied in order to obtain the true pointing direction of a telescope. The Cherenkov Telescope Array (CTA) aims to have the precision to determine the position of point-like as well as slightly…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Louise Oakes , Bagmeet Behera , Juergen Baehr , Sandra Gruenewald , Tobias Raeck , Stefan Schlenstedt , Anja Schubert , Ullrich Schwanke

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

Cherenkov Telescope Array (CTA) is an upcoming instrument that will start a new generation of atmospheric Cherenkov telescopes. CTA is expected not only to provide an unprecedented sensitivity in the tens of GeV to hundreds of TeV range,…

Instrumentation and Methods for Astrophysics · Physics 2019-07-11 Julian Sitarek , Dorota Sobczyńska , Katarzyna Adamczyk , Michał Szanecki

For several years the only experiments sensitive to astrophysical gamma rays with energies beyond the reach of EGRET but below that of the Cherenkov imaging telescopes have been the "solar tower" detectors. They use >2000 m2 mirror areas to…

Astrophysics · Physics 2007-05-23 David A. Smith

Imaging atmospheric Cherenkov telescopes (IACTs) that are sensitive to potential $\gamma$-ray signals from dark matter (DM) annihilation above $\sim50$ GeV will soon be superseded by the Cherenkov Telescope Array (CTA). CTA will have a…

High Energy Astrophysical Phenomena · Physics 2017-10-11 Csaba Balázs , Jan Conrad , Ben Farmer , Thomas Jacques , Tong Li , Manuel Meyer , Farinaldo S. Queiroz , Miguel A. Sánchez-Conde

The Small-Size Telescope with single-mirror (SST-1M) is a 4 m Davies-Cotton telescope and is among the proposed telescope designs for the Cherenkov Telescope Array (CTA). It is conceived to provide the high-energy ($>$ few TeV) coverage.…

The Cherenkov Telescope Array is the main global project of ground-based gamma-ray astronomy for the coming decades. Performance will be significantly improved relative to present instruments, allowing a new insight into the high-energy…

High Energy Astrophysical Phenomena · Physics 2017-09-27 Sol , H. , Greenshaw , T. , Le Blanc , O. , White , R

A single-mirror small-size (1M-SST) Davies-Cotton telescope has been proposed for the southern observatory of the Cherenkov Telescope Array (CTA) by a consortium of scientific institutions from Poland, Switzerland, and Germany. The…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Jacek Niemiec , Jerzy Michałowski , Michał Dyrda , Wojciech Kochański , Jaromir Ludwin , Marek Stodulski , Paweł Ziółkowski , Paweł Żychowski

The first Large-Sized Telescope (LST-1) proposed for the forthcoming Cherenkov Telescope Array (CTA) has started to operate in 2019 in La Palma. The large structure of LST-1 - with a 23 m mirror dish diameter - imposes a strict control of…

Instrumentation and Methods for Astrophysics · Physics 2021-08-03 L. Foffano , A. Carosi , M. Dalchenko , M. Heller , D. Della Volpe , T. Montaruli

A Central Laser Facility is a system often used in astroparticle experiments based on arrays of fluorescence or Cherenkov light detectors. The instrument is based on a laser source positioned at a certain distance from the array, emitting…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Markus Gaug , Carla Aramo , Marco Cilmo , Federico Di Pierro , Aurelio Tonachini , Piero Vallania

The upcoming Cherenkov Telescope Array (CTA) ground-based gamma-ray observatory will open up our view of the very high energy Universe, offering an improvement in sensitivity of 5-10 times that of previous experiments. NectarCAM is one of…

Instrumentation and Methods for Astrophysics · Physics 2021-08-03 Thomas Armstrong , Heide Costantini , Jean-François Glicenstein , Jean-Philippe Lenain , Ullrich Schwanke , Thomas Tavernier

We outline the science prospects for gamma-ray bursts (GRBs) with the Cherenkov Telescope Array (CTA), the next-generation ground-based gamma-ray observatory operating at energies above few tens of GeV. With its low energy threshold, large…

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…

Reflective light concentrators with hexagonal entrance and exit apertures are frequently used at the focal plane of gamma-ray telescopes in order to reduce the size of the dead area caused by the geometries of the photodetectors, as well as…

Instrumentation and Methods for Astrophysics · Physics 2015-09-01 Akira Okumura , Sakiya Ono , Syunya Tanaka , Masaaki Hayashidad , Hideaki Katagiri , Tatsuo Yoshida

The Cherenkov Telescope Array (CTA) is the next-generation gamma-ray observatory currently under construction. It will improve over the current generation of imaging atmospheric Cherenkov telescopes (IACTs) by a factor of five to ten in…

Instrumentation and Methods for Astrophysics · Physics 2023-02-24 Maximilian Nöthe , Karl Kosack , Lukas Nickel , Michele Peresano
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