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The Cherenkov Telescope Array (CTA) is the next generation facility of Imaging Atmospheric Cherenkov Telescopes. It will reach unprecedented sensitivity and energy resolution in very-high-energy gamma-ray astronomy. CTA will detect…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 M. Doro , M. Daniel , R. de los Reyes , M. Gaug , M. C. Maccarone

Several types of Galactic sources, like magnetars, microquasars, novae or pulsar wind nebulae flares, display transient emission in the X-ray band. Some of these sources have also shown emission at MeV--GeV energies. However, none of these…

The landscape of ground-based gamma-ray astronomy is drastically changing with the perspective of the Cherenkov Telescope Array (CTA) composed of more than 100 Cherenkov telescopes. For the first time in this energy domain, CTA will be…

Instrumentation and Methods for Astrophysics · Physics 2017-11-22 Mathieu Servillat , Catherine Boisson , Julien Lefaucheur , Johan Brégeon , Michèle Sanguillon , Jose-Luis Contreras

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

The Cherenkov Telescope Array (CTA) will be the next generation very-high-energy gamma-ray observatory. CTA is expected to provide substantial improvement in accuracy and sensitivity with respect to existing instruments thanks to a tenfold…

Instrumentation and Methods for Astrophysics · Physics 2021-08-23 Orel Gueta

The current generation of Imaging Atmospheric Cherenkov Telescopes (IACTs), including the H.E.S.S., MAGIC, and VERITAS telescope arrays, have made substantial contributions to our knowledge about the structure and composition of the highly…

High Energy Astrophysical Phenomena · Physics 2012-05-17 Henric Krawczynski

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 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 Cherenkov Telescope Array (CTA) is the planned next-generation instrument for ground-based gamma-ray astronomy, covering a photon energy range of ~20 GeV to above 100 TeV. CTA will consist of the order of 100 telescopes of three sizes,…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 G. Pühlhofer

Ground-based gamma-ray astronomy has experienced a major breakthrough in the last decade thanks to the advent of new generation instruments such as H.E.S.S., MAGIC, Milagro and VERITAS. A large variety of cosmic particle accelerators has…

High Energy Astrophysical Phenomena · Physics 2011-10-11 Jürgen Knödlseder

The GeV-scale gamma-ray excess observed from the region surrounding the Galactic Center has been interpreted as either the products of annihilating dark matter particles, or as the emission from a large population of faint and…

High Energy Astrophysical Phenomena · Physics 2023-05-10 Celeste Keith , Dan Hooper , Tim Linden

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

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,…

Several types of binary systems have been detected up to now at high and very high gamma-ray energies, including microquasars, young pulsars around massive stars and colliding wind binaries. The study of the sources already known, and of…

The Cherenkov Telescope Array (CTA) Observatory, with dozens of telescopes located in both the Northern and Southern Hemispheres, will be the largest ground-based gamma-ray observatory and will provide broad energy coverage from 20 GeV to…

Instrumentation and Methods for Astrophysics · Physics 2021-08-23 A. Bulgarelli , S. Caroff , A. Addis , P. Aubert , L. Baroncelli , G. De Cesare , A. DiPiano , V. Fioretti , E. Garcia , G. Maurin , N. Parmiggiani , T. Vuillaume , I. Oya , C. Hoischen

The past decade has seen a dramatic improvement in the quality of data available at both high (HE: 100 MeV to 100 GeV) and very high (VHE: 100 GeV to 100 TeV) gamma-ray energies. With three years of data from the Fermi Large Area Telescope…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Stefan Funk , Jim Hinton

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 future instrument for very-high-energy (VHE) gamma-ray astronomy that is expected to deliver an order of magnitude improvement in sensitivity over existing instruments. In order to meet the physics…

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

Pulsars are observed to emit bright and spatially extended emission at multi-TeV energies. Although such "TeV halos" appear to be an approximately universal feature of middle-aged pulsars, there remains much to be understood about these…

High Energy Astrophysical Phenomena · Physics 2023-12-19 Dan Hooper , Elena Pinetti , Anastasia Sokolenko
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