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Current optimization of ground-based Cherenkov telescopes arrays, also called Imaging Air Cherenkov Telescope (IACT) arrays, relies on brute-force human-driven approaches based on large simulations requiring both high amount of storage and…

Instrumentation and Methods for Astrophysics · Physics 2026-01-13 Cyril Alispach , Matthieu Heller , Teresa Montaruli

The atmospheric monitoring devices for the planned calibration system of the Cherenkov Telescope Array (CTA) are undergoing intensive development, prototyping and testing. The All-Sky Cameras, the Sun/Moon Photometers and the FRAM…

The Cherenkov Telescope Array (CTA) is the next generation of Imaging Atmospheric Cherenkov Telescopes. It would reach unprecedented sensitivity and energy resolution in very-high-energy gamma-ray astronomy. In order to reach these goals,…

Instrumentation and Methods for Astrophysics · Physics 2019-08-15 M. Doro , M. Gaug , J. Pallotta , G. Vasileiadis , O. Blanch , F. Chouza , R. D'Elia , A. Etchegoyen , Ll. Font , D. Garrido , F. Gonzales , A. López-Oramas , M. Martínez , L. Otero , E. Quel , P. Ristori

Over the last three decades, the ground-based technique of imaging atmospheric Cherenkov telescopes has established itself as a powerful scientific discipline. About 250 very high gamma-ray sources of both galactic and extragalactic origin…

Instrumentation and Methods for Astrophysics · Physics 2024-11-18 Razmik Mirzoyan

The Cherenkov Telescope Array (CTA), a ground-based facility for very-high-energy (VHE) gamma-ray astronomy, will operate as an open observatory, serving a wide scientific community to explore and to study the non-thermal universe. Open…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Jürgen Knödlseder , Volker Beckmann , Catherine Boisson , Sylvie Brau-Nogué , Christoph Deil , Bruno Khélifi , Michael Mayer , Roland Walter

The launch of the Fermi satellite in 2008, with its Large Area Telescope (LAT) on board, has opened a new era for the study of gamma-ray sources at GeV ($10^9$ eV) energies. Similarly, the commissioning of the third generation of imaging…

Instrumentation and Methods for Astrophysics · Physics 2023-11-07 Denys Malyshev , Lars Mohrmann

Very high energy (VHE, i.e. $\gtrsim 10$ GeV) photons from Gamma-Ray Bursts (GRBs), as high as 90 GeV in rest frame energy, have been detected by the $Fermi$ Large Area Telescope (LAT). This provides hope for a high statistics GRB detection…

High Energy Astrophysical Phenomena · Physics 2011-09-27 Aurelien Bouvier , Rudy Gilmore , Valerie Connaughton , Nepomuk Otte , Joel R. Primack , David A. Williams

The Cherenkov Telescope Array (CTA) is the next major ground-based observatory for gamma-ray astronomy. With CTA gamma-ray sources will be studied in the very-high energy gamma-ray range of a few tens of GeV to 100 TeV with up to ten times…

Instrumentation and Methods for Astrophysics · Physics 2014-08-05 Kevin J. Meagher

We investigate possible sky survey modes with the Middle Sized Telescopes (MST, aimed at covering the energy range from $\sim$100 GeV to 10 TeV) subsystem of the Cherenkov Telescope Array (CTA). We use the standard CTA tools, CORSIKA and…

Instrumentation and Methods for Astrophysics · Physics 2015-02-20 M. Szanecki , D. Sobczyńska , A. Niedźwiecki , J. Sitarek , W. Bednarek

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 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

Large fraction of studies of active galactic nuclei objects is based on performing follow-up observations using high-sensitivity instruments of high flux states observed by monitoring instruments (the so-called Target of Opportunity, ToO).…

Instrumentation and Methods for Astrophysics · Physics 2021-10-27 Tomasz Fidor , Julian Sitarek

The next generation of imaging atmospheric Cherenkov telescopes will be composed of hundreds of telescopes working together to attempt to unveil some fundamental physics of the high-energy Universe. Along with the scientific data, a large…

Instrumentation and Methods for Astrophysics · Physics 2022-12-26 Federico Incardona , Alessandro Costa , Kevin Munari

The next generation of Imaging Atmospheric Cherenkov telescope, like CTA, is going to strongly improve the detection capability of high-energy cosmic rays. In our paper we discuss the possibility to use such apparatus to detect…

High Energy Physics - Phenomenology · Physics 2020-07-28 Damiano F. G. Fiorillo , Gennaro Miele , Ofelia Pisanti

The Cherenkov Telescope Array (CTA) project, led by an international collaboration of institutes, aims to create the world's largest next generation observatory for Very High Energy (VHE) gamma-ray astronomy. It will be devoted to…

Instrumentation and Methods for Astrophysics · Physics 2019-09-26 A. Dmytriiev , L. Dangeon , G. Fasola , H. Sol , A. Zech , J. Gironnet , O. Le Blanc , J. P. Amans , G. Buchholtz , J. L. Dournaux , F. de Frondat , D. Horville , J. M. Huet , I. Jégouzo , P. Laporte

The Cherenkov Telescope Array (CTA) is an international next-generation ground-based gamma-ray observatory. CTA will be implemented as southern and northern hemisphere arrays of tens of small, medium and large-sized imaging Cherenkov…

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

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

We compute the sensitivity to dark matter annihilations for the forthcoming large Cherenkov Telescope Array (CTA) in several primary channels and over a range of dark matter masses from 30 GeV up to 80 TeV. For all channels, we include…

High Energy Astrophysical Phenomena · Physics 2015-06-29 Valentin Lefranc , Emmanuel Moulin , Paolo Panci , Joseph Silk