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The Cherenkov Telescope Array (CTA) will be the largest cosmic gamma ray detector ever built in the world. It will be installed at two different sites in the North and South hemispheres and should be operational for about 30 years. In order…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 F. Hénault , P. O. Petrucci , L. jocou , B. Khélifi , P. Manigot , S. Hormigos , J. Knodlseder , J. F. Olive , P. Jean , M. Punch

Imaging Atmospheric Cherenkov Telescopes (IACTs) allow us to observe Active Galactic Nuclei (AGNs) in the 100 GeV to 20 TeV energy range with high sensitivity. The TeV gamma-ray observations of the nine blazars detected so far in this…

Astrophysics · Physics 2008-11-26 Henric Krawczynski

The Cherenkov Telescope Array (CTA) will have a unique chance of discovery for a large range of masses in Weakly Interacting Massive Particles models of dark matter. The principal target for dark matter searches with CTA is the centre of…

The Cherenkov Telescopes Array (CTA) is planned as the future instrument for very-high-energy (VHE) gamma-ray astronomy with a wide energy range of four orders of magnitude and an improvement in sensitivity compared to current instruments…

The Cherenkov Telescope Array (CTA) is planned to be the next-generation very-high-energy (VHE; E > 100 GeV) gamma-ray observatory. It is anticipated that CTA will improve upon the sensitivity of the current generation of VHE experiments,…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 W. Benbow , A. N. Otte

The Cherenkov Telescope Array (CTA) will be the future observatory for TeV gamma-ray astronomy. In order to increase the sensitivity and to extend the energy coverage beyond the capabilities of current facilities, its design concept…

Instrumentation and Methods for Astrophysics · Physics 2017-08-09 S. Diebold , J. Dick , G. Pühlhofer , S. Renner , A. Santangelo , T. Schanz , C. Tenzer , the CTA Consortium

Blazars, a type of active galactic nuclei (AGN) with relativistic jets pointed at the observer, exhibit flux variability across the electromagnetic spectrum due to particle acceleration in their jets. Power spectral density (PSD) studies…

The ground-based technique for imaging atmospheric Cherenkov telescopes became a rapidly developing and powerful branch of science. Thanks to this technique, over 250 very high-energy gamma-ray sources of galactic and extragalactic origin…

High Energy Astrophysical Phenomena · Physics 2024-06-24 Razmik Mirzoyan

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

The Cherenkov Telescope Array (CTA) will be the world's first open observatory for very high energy gamma-rays. Around a hundred telescopes of different sizes will be used to detect the Cherenkov light that results from gamma-ray induced…

Instrumentation and Methods for Astrophysics · Physics 2019-08-17 A. Zech , J. -P. Amans , S. Blake , C. Boisson , C. Costille , F. De-Frondat , J. -L. Dournaux , D. Dumas , G. Fasola , T. Greenshaw , O. Hervet , J. -M. Huet , P. Laporte , C. Rulten , D. Savoie , F. Sayede , J. Schmoll , H. Sol

The Cherenkov Telescope Array (CTA) will consist of two arrays of Imaging Atmospheric Cherenkov Telescopes (IACTs) at the northern and southern hemispheres. CTA will feature IACTs with mirrors of three different sizes optimized to cover…

Instrumentation and Methods for Astrophysics · Physics 2019-07-25 Juan Cortina

The Cherenkov Telescope Array (CTA) will perform a survey of the whole Galactic disk with unprecedented sensitivity at energies up to 300 TeV. One of the key science projects of the CTA consortium is the discovery of Galactic PeVatrons…

High Energy Astrophysical Phenomena · Physics 2017-09-19 C. Trichard

We discuss the prospects for indirect detection of dark matter (DM) with the Cherenkov Telescope Array (CTA), a future ground-based gamma-ray observatory that will be sensitive to gamma rays in the energy range from a few tens of GeV to 100…

High Energy Astrophysical Phenomena · Physics 2013-09-24 Matthew Wood , Jim Buckley , Seth Digel , Stefan Funk , Daniel Nieto , Miguel A. Sanchez-Conde

The Cherenkov Telescope Array (CTA) is the next generation of ground-based very high energy gamma-ray instruments; the facility will be organized in two arrays, one for each hemisphere. The atmospheric calibration of the CTA telescopes is a…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Laura Valore , Carla Aramo , Michele Doro , Marco Iarlori , Vincenzo Rizi , Aurelio Siro Tonachini , Piero Vallania

The binary systems that have been detected in gamma rays have proven very useful to study high-energy processes, in particular particle acceleration, emission and radiation reprocessing, and the dynamics of the underlying magnetized flows.…

The galactic and extragalactic surveys are two of the main proposed legacy projects of the Cherenkov Telescope Array (CTA), providing an unbiased view of the Universe at energies above tens of GeV. Considering Cherenkov telescopes' limited…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Lucie Gérard

The last few years have seen a revolution in very-high gamma-ray astronomy (VHE; E>100 GeV) driven largely by a new generation of Cherenkov telescopes (namely the H.E.S.S. telescope array, the MAGIC and MAGIC-II large telescopes and the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 E. de Ona Wilhelmi , B. Rudak , J. A. Barrio , J. L. Contreras , Y. Gallant , D. Hadasch , T. Hassan , M. Lopez , D. Mazin , N. Mirabal , G. Pedaletti , M. Renaud , R. de los Reyes , D. F. Torres

Detection of delayed sub-TeV photons from Gamma-Ray Bursts (GRBs) by MAGIC and HESS has proven the promising future of GRB afterglow studies with the Cherenkov Telescope Array (CTA), the next-generation gamma-ray observatory. With the…

High Energy Astrophysical Phenomena · Physics 2023-05-22 Tanima Mondal , Suman Pramanick , Lekshmi Resmi , Debanjan Bose

The Cherenkov Telescope Array (CTA) is the next generation very-high energy gamma-ray air-shower Cherenkov observatory. CTA will consist of many segmented-mirror telescopes of three different diameters, placed in two arrays, one in the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 A. Bonardi , J. Dick , E. Kendziorra , G. Pühlhofer , A. Santangelo

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