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The Imaging Atmospheric Cherenkov Telescope (IACT) works by imaging the very short flash of Cherenkov radiation generated by the cascade of relativistic charged particles produced when a TeV gamma ray strikes the atmosphere. This energetic…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 F. Krayzel , G. Maurin , L. Brunetti , J. -M. Dubois , A. Fiasson , L. Journet , G. Lamanna , T. Leflour , B. Lieunard , I. Monteiro , S. Rosier-Lees

Among all the high-energy environments of our Galaxy, the Galactic Center (GC) region is definitely the richest. It harbors a large amount of non-thermal emitters, including the closest supermassive black hole, dense molecular clouds,…

The assumption of Lorentz invariance is one of the founding principles of modern physics and violation of that would have deep consequences to our understanding of the universe. Potential signatures of such a violation could range from…

High Energy Astrophysical Phenomena · Physics 2019-08-14 M. K. Daniel , D. Emmanoulopoulos , M. Fairbairn , N. Otte

The Cherenkov Telescope Array (CTA) is a next-generation ground-based observatory for g -rays with energies between some ten GeV and a few hundred TeV. CTA is currently in the advanced design phase and will consist of arrays with different…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 M. Shayduk , S. Vorobiov , U. Schwanke , R. Wischnewski

The Cherenkov Telescope Array (CTA) is the next generation of ground-based gamma-ray observatory. The observatory will consist of two arrays, one located in the southern hemisphere (Paranal,Chile) and the other in the northern hemisphere…

Instrumentation and Methods for Astrophysics · Physics 2020-12-17 Victor Barbosa Martins , Markus Garczarczyk

The Cherenkov Telescope Array (CTA) consortium aims to create the next generation Very High Energy gamma-ray observatory. It will be devoted to the observation of gamma rays over a wide band of energy, from 20 GeV to 300 TeV. Three…

Instrumentation and Methods for Astrophysics · Physics 2015-08-27 Jean-Laurent Dournaux , Jean-Michel Huet , Delphine Dumas , Jean-Philippe Amans , Gilles Fasola , Philippe Laporte , Jean-Jacques Bousquet , Hélène Sol

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…

We introduce a new simulation and analysis paradigm for Imaging Atmospheric Cherenkov Telescope (IACT) arrays, simulating the actual observation conditions as well as individual telescope configuration for each observation unit. Compared to…

High Energy Astrophysical Phenomena · Physics 2020-07-29 M. Holler , J. -P. Lenain , M. de Naurois , R. Rauth , D. A. Sanchez

The Cherenkov Telescope Array (CTA) is the next generation observatory for the study of very high-energy gamma rays from about 20 GeV up to 300 TeV. Thanks to the large effective area and field of view, the CTA observatory will be…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Andrea Zoli , Andrea Bulgarelli , Adriano De Rosa , Alessio Aboudan , Valentina Fioretti , Giovanni De Cesare , Ramin Marx

Imaging Atmospheric Cherenkov Telescopes (IACTs) are ground-based indirect detectors for cosmic gamma rays with energies above tens of GeV. The major backgrounds for gamma-ray observations in IACTs are cosmic-ray charged particles. The…

Gamma-ray astronomy holds a great potential for Astrophysics, Particle Physics and Cosmology. The CTA is an inter- national initiative to build the next generation of ground-based gamma-ray observatories, which will represent a factor of…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Ulisses Barres de Almeida

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

Cosmic electrons, positrons, protons, and antiprotons carry essential information about both astrophysical processes and fundamental physics. Charged particles provide signatures of dark matter annihilation or decay, \emph{in situ} in the…

High Energy Astrophysical Phenomena · Physics 2013-05-02 J. Vandenbroucke , B. Humensky , J. Holder , R. A. Ong

The Cherenkov Telescope Array (CTA) is the next generation of ground-based very high energy gamma-ray instruments and is planned to be built on two sites (one in each hemisphere) in the coming years, with full array operation foreseen to…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Jan Ebr , Petr Janecek , Michael Prouza , Jiri Blazek

Once completed, the Cherenkov Telescope Array (CTA) will be able to map the gamma-ray sky in a wide energy range from several tens of GeV to some hundreds of TeV and will be more sensitive than previous experiments by an order of magnitude.…

Instrumentation and Methods for Astrophysics · Physics 2018-09-05 Kai Brügge , Alexey Egorov , Christian Bockermann , Katharina Morik , Wolfgang Rhode

The Cherenkov Telescope Array (CTA) is an atmospheric Cherenkov observatory that will image the cosmos in very-high-energy gamma rays. CTA will study the highest-energy particle accelerators in the Universe and potentially confirm the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 J. Vandenbroucke

The current generation of Cherenkov telescopes is mainly limited in their gamma-ray energy and flux reconstruction by uncertainties in the determination of atmospheric parameters. The Cherenkov Telescope Array (CTA) aims to provide…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 M. Doro , M. Gaug , O. Blanch , LL. Font , D. Garrido , A. Lopez-Oramas , M. Martinez

The current generation of Imaging Atmospheric telescopes (IACTs) has demonstrated the power of this observational technique, providing high sensitivity and an angular resolution of $\sim0.1^{\circ}$ per event above an energy threshold of…

High Energy Astrophysical Phenomena · Physics 2009-01-21 S. Funk , J. A. Hinton

During the last decade ground-based very high-energy gamma-ray astronomy achieved a remarkable advancement in the development of the observational technique for the registration and study of gamma-ray emission above 100 GeV. It is widely…

Astrophysics · Physics 2008-11-26 A. Konopelko , A. Chilingarian , A. Reimers

The Cherenkov Telescope Array (CTA) is a planned observatory for very-high energy gamma-ray astronomy. It will consist of several tens of telescopes of different sizes, with a total mirror area of up to 10,000 square meters. Most mirrors of…