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The Cherenkov Telescope Array (CTA) will be the world's largest and most sensitive ground-based gamma-ray observatory in the energy range from a few tens of GeV to tens of TeV. The LST-1 prototype, currently in its commissioning phase, is…

High Energy Astrophysical Phenomena · Physics 2021-11-30 Jakub Juryšek , Etienne Lyard , Roland Walter

The Cherenkov Telescope Array (CTA) is the next generation ground-based $\gamma$-ray observatory. It will provide an order of magnitude better sensitivity and an extended energy coverage, 20 GeV - 300 TeV, relative to current Imaging…

High Energy Astrophysical Phenomena · Physics 2018-01-22 T. Hassan , A. Domínguez , J. Lefaucheur , D. Mazin , S. Pita , A. Zech

We suggest a new approach to study the cosmis ray (CR) mass composition in the energy region from 30 TeV/nucleus up to the "knee" region, i.e. up to a few PeV/nucleus, using an array of imaging atmospheric Cherenkov telescopes (IACTs) of a…

Astrophysics · Physics 2009-11-07 F. A. Aharonian , V. V. Bugayov , J. Kettler , A. V. Plyasheshnikov , H. J. Voelk

We estimate the limiting angular resolution and detection area for an array of 3 large-aperture Imaging Atmospheric Cherenkov Telescopes. We consider an idealized IACT system in order to understand the limitations imposed by the intrinsic…

Astrophysics · Physics 2007-10-02 V. V. Bugaev , J. H. Buckley , H. Krawczynski

The Cherenkov Telescope Array (CTA) will be the next generation ground-based very-high-energy gamma-ray observatory, constituted by tens of Imaging Atmospheric Cherenkov Telescopes at two sites once its construction and commissioning are…

Instrumentation and Methods for Astrophysics · Physics 2023-09-29 Rune Michael Dominik , Maximilian Linhoff , Julian Sitarek

As TeV gamma-ray astronomy progresses into the era of the Cherenkov Telescope Array (CTA), there is a desire for the capacity to instantaneously follow up on transient phenomena and continuously monitor gamma-ray flux at energies above…

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 ground-based observatory for very-high energy gamma-ray astronomy. CTA will have unparalleled sensitivity and angular resolution and will detect gamma-ray sources nearly 100 times…

Instrumentation and Methods for Astrophysics · Physics 2022-09-07 Leslie Taylor

The Cherenkov Telescope Array (CTA) will be the next generation ground-based gamma-ray observatory. CTA consists of different telescope types of which the largest ones (Large-Sized Telescopes, LSTs) cover the lower energy range, between 20…

Instrumentation and Methods for Astrophysics · Physics 2023-07-13 D. Depaoli , A. Chiavassa , D. Corti , F. Di Pierro , M. Mariotti , R. Rando

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

The recently identified source class of pulsar halos may be populated and bright enough at TeV energies to constitute a large fraction of the sources that will be observed with the Cherenkov Telescope Array (CTA), especially in the context…

High Energy Astrophysical Phenomena · Physics 2023-10-03 Christopher Eckner

The Cherenkov Telescope Array (CTA) Observatory must be capable of issuing fast alerts on variable and transient sources to maximize the scientific return. This will be accomplished by means of a Real-Time Analysis (RTA) pipeline, a key…

Two of the Key Science Projects of the Cherenkov Telescope Array (CTA) consist in performing a deep survey of the Galactic and Extragalactic sky, providing an unbiased view of the Universe at energies above tens of GeV. To optimize the time…

Instrumentation and Methods for Astrophysics · Physics 2019-07-19 A. Donini , T. Gasparetto , J. Bregeon , F. Di Pierro , F. Longo , G. Maier , A. Moralejo , T. Vuillaume

The Cherenkov Telescope Array (CTA) is the next-generation gamma-ray observatory that is expected to reach one order of magnitude better sensitivity than that of current telescope arrays. The Large-Sized Telescopes (LSTs) have an essential…

Instrumentation and Methods for Astrophysics · Physics 2021-08-23 Yukiho Kobayashi , Akira Okumura , Franca Cassol , Hideaki Katagiri , Julian Sitarek , Paweł Gliwny , Seiya Nozaki , Yuto Nogami

The Cherenkov Telescope Array (CTA) is a future ground-based observatory for gamma-ray astronomy providing unparalleled sensitivity in the energy range from 20 GeV up to 300 TeV. CTA will consist of telescopes with three different sizes.…

Instrumentation and Methods for Astrophysics · Physics 2025-09-25 Heiko Salzmann , Jürgen Dick , Sebastian Diebold , Gerd Pühlhofer , Siegbert Renner , Andrea Santangelo , CTA MST Project

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 next-generation ground-based gamma-ray Cherenkov Telescope Array Observatory (CTAO) will consist of imaging atmospheric Cherenkov telescopes (IACTs) of three different sizes distributed in two sites. The Large-Sized Telescopes will…

High Energy Astrophysical Phenomena · Physics 2023-09-21 Daniel Morcuende , Rubén López-Coto , Abelardo Moralejo , Seiya Nozaki , Thomas Vuillaume

The Cherenkov Telescope Array (CTA) is a forthcoming international ground-based observatory for very high-energy gamma rays. Its goal is to reach sensitivity five to ten times better than existing Cherenkov telescopes such as VERITAS,…

Instrumentation and Methods for Astrophysics · Physics 2016-10-05 K. Tayabaly , D. Spiga , R. Canestrari , G. Bonnoli , M. Lavagna , G. Pareschi

The CTA (Cherenkov Telescope Array) is the next generation ground-based experiment for very high-energy (VHE) gamma-ray observations. It will integrate several tens of imaging atmospheric Cherenkov telescopes (IACTs) with different…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Julien Rousselle , Valerie Connaughton , Manel Errando , Brian Humensky , Reshmi Mukherjee , Daniel Nieto , Akira Okumura , Vladimir Vassiliev

We present studies for optimizing the next generation of ground-based imaging atmospheric Cherenkov telescopes (IACTs). Results focus on mid-sized telescopes (MSTs) for CTA, detecting very high energy gamma rays in the energy range from a…

Instrumentation and Methods for Astrophysics · Physics 2015-07-15 M. Wood , T. Jogler , J. Dumm , S. Funk