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The Cherenkov Telescope Array (CTA) is the observatory for ground-based gamma-ray astronomy that will shape the domain of TeV astronomy for the next decades. CTA will comprise more than 100 imaging air Cherenkov telescopes deployed on two…

Instrumentation and Methods for Astrophysics · Physics 2020-04-21 Jürgen Knödlseder

Arrays of imaging air Cherenkov telescopes (IACTs) like VERITAS, HESS have been recently proposed as the instruments of the next generation for ground based very high energy gamma-ray astronomy invading into 50-100 GeV energy range. Here we…

Astrophysics · Physics 2009-10-31 Alexander K. Konopelko

Several observations are revealing the widespread occurrence of mildly relativistic wide-angle AGN winds strongly interacting with the gas of their host galaxy. Such winds are potential cosmic-ray accelerators, as supported by gamma-ray…

High Energy Astrophysical Phenomena · Physics 2019-04-18 Alessandra Lamastra , Fabrizio Tavecchio , Patrizia Romano , Marco Landoni , Stefano Vercellone

The Cherenkov Telescope Array (CTA) will be the next generation of ground-based instrument for Very High Energy gamma-ray astronomy. It will improve the sensitivity of current telescopes by up to an order of magnitude and provide energy…

Instrumentation and Methods for Astrophysics · Physics 2017-09-04 P. Cumani , T. Hassan , L. Arrabito , K. Bernlöhr , J. Bregeon , G. Maier , A. Moralejo

Recent progress in pushing the sensitivity of the Imaging Atmospheric Cherenkov Technique into the 10 mCrab regime has enabled first sensitive observations of the innermost few 100 pc of the Milky Way in Very High Energy (VHE; >100 GeV)…

Astrophysics · Physics 2009-11-13 Christopher van Eldik

The study of the universe at energies above 100 GeV is a relatively new and exciting field. The current generation of pointed instruments have detected TeV gamma rays from at least 10 sources and the next generation of detectors promises a…

Astrophysics · Physics 2016-11-09 G. Sinnis , A. Smith , J. E. McEnery

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 Cherenkov Telescope Array (CTA) will be the first ground-based observatory for gamma-ray astronomy. With more than a hundred of 4th generation of Imaging Atmospheric Cherenkov Telescopes (IACTs) distributed in two large arrays, CTA will…

Instrumentation and Methods for Astrophysics · Physics 2019-09-05 Thomas Tavernier , Jean-François Glicenstein , François Brun

The Cherenkov Telescope Array (CTA) is about to enter construction phase and one of its main key science projects is to perform an unbiased survey in search of extragalactic sources. We make use of both the latest blazar gamma--ray…

Instrumentation and Methods for Astrophysics · Physics 2017-07-04 Andrea De Franco , Yoshiyuki Inoue , Miguel A. Sánchez-Conde , Garret Cotter

We present a review of the current status of very high energy gamma-ray astronomy. The development of the atmospheric Cherenkov imaging technique for ground-based gamma-ray astronomy has led to a rapid growth in the number of observatories.…

Astrophysics · Physics 2009-10-31 Michael Catanese , Trevor C. Weekes

We investigate the prospect of detecting the Dark Matter (DM) candidate in the three-loop radiative neutrino mass generation model extended with large electroweak multiplets of the Standard Model (SM) gauge group, at the future imaging…

High Energy Physics - Phenomenology · Physics 2021-02-24 Talal Ahmed Chowdhury , Saquib Hassan , Jahid Hossain , Salah Nasri , Mahmud Ashraf Shamim

The upcoming Cherenkov Telescope Array (CTA) project is expected to provide unprecedented sensitivity in the low-energy ( <~100 GeV) range for Cherenkov telescopes. In order to exploit fully the potential of the telescopes the standard…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Julian Sitarek , Dorota Sobczyńska , Michał Szanecki , Katarzyna Adamczyk

The Cherenkov Telescope Array (CTA) will be an instrument covering a wide energy range in very-high-energy (VHE) gamma rays. CTA will include several types of telescopes, in order to optimize the performance over the whole energy range.…

The Cherenkov Telescope Array Observatory (CTAO) will be the next-generation major ground-based gamma-ray observatory. It will be made up of two large arrays of imaging atmospheric Cherenkov telescopes (IACTs), with one site in the Northern…

High Energy Astrophysical Phenomena · Physics 2026-02-03 Francesco Schiavone

The Cherenkov Telescope Array (CTA) is the future ground-based gamma-ray observatory and will be composed of two arrays of imaging atmospheric Cherenkov telescopes (IACTs) located in the Northern and Southern hemispheres respectively. The…

High-energy photons are a powerful probe for astrophysics and for fundamental physics under extreme conditions. During the recent years, our knowledge of the most violent phenomena in the Universe has impressively progressed thanks to the…

Astrophysics · Physics 2009-09-29 Alessandro De Angelis , Oriana Mansutti , Massimo Persic

Gamma-ray emitting narrow-line Seyfert 1 ($\gamma$-NLS1) galaxies possibly harbour relatively low-mass black holes (10$^6$-10$^8$ M$_{\odot}$) accreting close to the Eddington limit, and share many characteristics with their sibling…

High Energy Astrophysical Phenomena · Physics 2020-03-11 P. Romano , M. Böttcher , L. Foschini , C. Boisson , S. Vercellone , M. Landoni

Approximately one hundred sources of very-high-energy (VHE) gamma rays are known in the Milky Way. A survey of the entire Galactic Plane in the energy range from a few tens of GeV to a few hundred TeV has been proposed as a Key Science…

High Energy Astrophysical Phenomena · Physics 2024-10-28 CTA Consortium

The Cherenkov Telescope Array (CTA) will be the next high-energy gamma-ray observatory. Selection of the sites, one in each hemisphere, is not obvious since several factors have to be taken into account. Among them, and probably the most…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Stephane Vincent

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