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The Cherenkov Telescope Array (CTA) is planned to serve as a ground-based observatory for (very-)high-energy gamma-ray astronomy, open to a wide astrophysics community, providing a deep insight into the non-thermal high-energy universe. It…

High Energy Astrophysical Phenomena · Physics 2019-08-15 M. Renaud

The Cherenkov Telescope Array (CTA) will be the next generation instrument for the very high energy gamma-ray astrophysics domain. With its enhanced sensitivity in comparison with the current facilities, CTA is expected to shed light on a…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Enrique Mestre , Emma de Oña Wilhelmi , Roberta Zanin , Diego F. Torres , Luigi Tibaldo

The Cherenkov Telescope Array (CTA) is an atmospheric Cherenkov observatory that will image the cosmos in very-high-energy gamma rays. CTA will study the highest-energy particle accelerators in the Universe and potentially confirm the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 J. Vandenbroucke

The upcoming Cherenkov Telescope Array (CTA) project is expected to provide unprecedented sensitivity in the low-energy (<~100 GeV) range for Cherenkov telescopes. Most of the remaining background in this energy range results from…

Instrumentation and Methods for Astrophysics · Physics 2017-11-29 Julian Sitarek , Dorota Sobczyńska , Michał Szanecki , Katarzyna Adamczyk , Paolo Cumani , Abelardo Moralejo

The Cherenkov Telescope Array (CTA) is expected to become the by far largest and most sensitive observatory for very-high-energy gamma rays in the energy range from 20 GeV to more than 300 TeV. CTA will be capable of detecting gamma rays…

Instrumentation and Methods for Astrophysics · Physics 2019-07-19 G. Maier , L. Arrabito , K. Bernlöhr , J. Bregeon , P. Cumani , T. Hassan , J. Hinton , A. Moralejo

Variable emission is one of the defining characteristic of active galactic nuclei (AGN). While providing precious information on the nature and physics of the sources, variability is often challenging to observe with time- and…

Instrumentation and Methods for Astrophysics · Physics 2016-04-08 Matteo Giomi , Lucie Gerard , Gernot Maier

High-energy gamma rays are promising tools to constrain or reveal the nature of dark matter, in particular Weakly Interacting Massive Particles. Being well into its pre-construction phase, the Cherenkov Telescope Array (CTA) will soon probe…

High Energy Astrophysical Phenomena · Physics 2021-08-23 Christopher Eckner

With its unprecedented light-collecting area for night-sky observations, the Cherenkov Telescope Array (CTA) holds great potential for also optical stellar astronomy, in particular as a multi-element intensity interferometer for realizing…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Dainis Dravins , Stephan LeBohec , Hannes Jensen , Paul D. Nuñez

The Cherenkov Telescope Array (CTA) is the next-generation gamma-ray observatory that is expected to reach one order of magnitude better sensitivity than that of current telescope arrays. The Large-Sized Telescopes (LSTs) have an essential…

Instrumentation and Methods for Astrophysics · Physics 2021-08-23 Yukiho Kobayashi , Akira Okumura , Franca Cassol , Hideaki Katagiri , Julian Sitarek , Paweł Gliwny , Seiya Nozaki , Yuto Nogami

The TeV extragalactic sky is dominated by blazars, radio-loud active galactic nuclei with a relativistic jet pointing towards the Earth. Blazars show variability that can be quite exceptional both in terms of flux (orders of magnitude of…

High Energy Astrophysical Phenomena · Physics 2023-09-19 M. Cerruti , J. Finke , G. Grolleron , J. P. Lenain , T. Hovatta , M. Joshi , E. Lindfors , P. Morris , M. Petropoulou , P. Romano , S. Vercellone , M. Zacharias

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

Cherenkov telescopes play a major role in the growth of the TeV Astronomy which, in 20 years, has reached the status of an important branch of Astrophysics, because of the observations of the violent, non thermal processes in the extreme…

High Energy Astrophysical Phenomena · Physics 2010-10-19 B. Sacco , S. Vercellone

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

In these proceedings we summarize the current status of the study of the sensitivity of the Cherenkov Telescope Array (CTA) to detect diffuse gamma-ray emission from the Perseus galaxy cluster. Gamma-ray emission is expected in galaxy…

High Energy Astrophysical Phenomena · Physics 2021-08-23 Judit Pérez-Romero

As TeV gamma-ray astronomy progresses into the era of the Cherenkov Telescope Array (CTA), instantaneously following up on gamma-ray transients is becoming more important than ever. To this end, a worldwide network of Imaging Atmospheric…

The recent discovery of TeV emission from gamma-ray bursts (GRBs) by the MAGIC and H.E.S.S. Cherenkov telescopes confirmed that emission from these transients can extend to very high energies. The TeV energy domain reaches the most…

High Energy Astrophysical Phenomena · Physics 2019-10-16 Imre Bartos , K. Rainer Corley , Nihar Gupte , Neil Ash , Zsuzsa. Márka , Szabolcs Márka

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

The Cherenkov Telescope Array (CTA) is an international project for a next-generation ground-based gamma-ray observatory. CTA, conceived as an array of tens of imaging atmospheric Cherenkov telescopes, comprising small, medium and…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 T. Hassan , B. Humensky , D. Nieto , M. Wood

The Cherenkov Telescope Array (CTA) will present the next leap forward in gamma-ray astronomy, pushing beyond the present energy frontier to probe beyond 300 TeV. This capability is provided by the 70 Small Sized Telescopes (SSTs). The SSTs…

Instrumentation and Methods for Astrophysics · Physics 2019-07-23 Jason John Watson , Justus Zorn

It is anticipated that the forthcoming Cherenkov Telescope Array (CTA) will include a number of medium-sized telescopes that are constructed using a dual-mirror Schwarzschild-Couder configuration. These telescopes will sample a wide…

Instrumentation and Methods for Astrophysics · Physics 2015-09-07 Hugh Dickinson , Frank Krennrich , Amanda Weinstein