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Related papers: Surveys with the Cherenkov Telescope Array

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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

The Cherenkov Telescope Array (CTA) is a major ground-based observatory proposed for gamma-ray astronomy. CTA is envisioned to consist of two large arrays of atmospheric Cherenkov telescopes for the study of sources of high-energy gamma…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 R. A. Ong , T. Aune , J. Hall

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 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 a ground-based $\gamma$-ray observatory that will observe the full sky in the energy range from 20 GeV to 100 TeV from facilities in both hemispheres. It is proposed to consist of more than 100…

Instrumentation and Methods for Astrophysics · Physics 2015-09-07 Ramin Marx , Raquel de los Reyes

Gamma-ray emitting narrow-line Seyfert 1 ($\gamma$-NLSy1) galaxies are thought to harbour relatively low-mass black holes (10$^6$-10$^8$ M$_{\odot}$) accreting close to the Eddington limit. They show characteristics similar to those of…

High Energy Astrophysical Phenomena · Physics 2018-09-11 P. Romano , S. Vercellone , L. Foschini , F. Tavecchio , M. Landoni , J. Knödlseder

The High-Altitude Water Cherenkov Observatory, or HAWC, is carrying out an unbiased survey of cosmic rays and gamma rays from the Northern Hemisphere between 100 GeV and 100 TeV. HAWC is currently the only high-uptime wide-field TeV…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Segev BenZvi

Atmospheric monitoring is an integral part of the design of the Cherenkov Telescope Array (CTA), as atmospheric conditions affect the observations by Imaging Atmospheric Cherenkov Telescopes (IACT) in multiple ways. The variable optical…

Instrumentation and Methods for Astrophysics · Physics 2018-01-22 Jan Ebr , Tomasz Bulik , Lluis Font , Markus Gaug , Petr Janecek , Jakub Jurysek , Dusan Mandat , Stanislav Stefanik , Laura Valore , George Vasileiadis

The Cherenkov Telescope Array (CTA) is the next-generation stereoscopic system of Imaging Atmospheric Cherenkov Telescopes (IACTs). In IACTs, the atmosphere is used as a calorimeter to measure the energy of extensive air showers induced by…

Instrumentation and Methods for Astrophysics · Physics 2023-06-14 Mario Pecimotika , Dijana Dominis Prester , Dario Hrupec , Saša Mićanović , Lovro Pavletić , Julian Sitarek

Imaging Atmospheric Cherenkov Telescopes (IACTs) use large-aperture (~ 10 - 30 m) optical telescopes with arcminute angular resolution to detect TeV gamma-rays in the atmosphere. I show that IACTs are well-suited for optical observations of…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 Brian C. Lacki

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 Fermi Gamma-ray Space Telescope regularly surveys the entire sky in the energy range between 0.3 and 100 GeV with an homogeneous coverage. This makes Fermi a very useful guide for ground-based Cherenkov-telescope arrays like VERITAS,…

High Energy Astrophysical Phenomena · Physics 2015-05-30 M. Errando , M. Orr , E. Kara

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 the next generation of Imaging Atmospheric Cherenkov Telescopes. It will reach a sensitivity and energy resolution never obtained until now by any other high energy gamma-ray experiment. Understanding…

Instrumentation and Methods for Astrophysics · Physics 2018-01-22 G. Vasileiadis , O. Blanch , J. Bregeon , P. Brun , O. Calpe , M. Colak , M. Doro , L. Font , M. Gaug , S. Griffiths , C. Maggio , M. Martinez , O. Martinez , P. Ristori , S. Rivoire

Observations from multiple gamma-ray telescopes have uncovered a high energy gamma-ray source spatially coincident with the Galactic center. Recently, a compelling model for the broad-band gamma-ray emission has been formulated which posits…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Tim Linden , Stefano Profumo

The Cherenkov Telescope Array (CTA) is a large collaborative effort aimed at the design and operation of an observatory dedicated to very high-energy gamma-ray astrophysics in the energy range from a few tens of GeV to above 100 TeV, which…

Instrumentation and Methods for Astrophysics · Physics 2019-08-17 Stefano Vercellone

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 Cherenkov Telescope Array (CTA) is the next generation observatory for very high energy gamma rays. The capability of the array to detect gamma-rays above 10 TeV is going to be achieved with a large number of Small Size Telescopes…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Anna Barnacka , Leszek Bogacz , Mira Grudzińska , Adam Frankowski , Mateusz Janiak , Piotr Lubiński , Rafał Moderski

A wide variety of Galactic sources show transient emission at soft and hard X-ray energies: low- and high-mass X-ray binaries containing compact objects, isolated neutron stars exhibiting extreme variability as magnetars as well as…

High Energy Astrophysical Phenomena · Physics 2025-05-29 Cherenkov Telescope Array Observatory Consortium

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