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Once completed, the Cherenkov Telescope Array (CTA) will be able to map the gamma-ray sky in a wide energy range from several tens of GeV to some hundreds of TeV and will be more sensitive than previous experiments by an order of magnitude.…

Instrumentation and Methods for Astrophysics · Physics 2018-09-05 Kai Brügge , Alexey Egorov , Christian Bockermann , Katharina Morik , Wolfgang Rhode

The Cherenkov Telescope Array (CTA), the new generation very high-energy gamma-ray observatory, will improve the flux sensitivity of the current Cherenkov telescopes by an order of magnitude over a continuous range from about 10 GeV to…

Instrumentation and Methods for Astrophysics · Physics 2015-09-08 Valentina Fioretti , Andrea Bulgarelli , Andrea Zoli , Sera Markoff , Marc Ribo , Susumu Inoue , Paola Grandi , Giovanni De Cesare

The planned Cherenkov Telescope Array (CTA), a future ground-based Very-High-Energy (VHE) gamma-ray observatory, will be the largest project of its kind. It aims to provide an order of magnitude increase in sensitivity compared to currently…

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

Surveys open up unbiased discovery space and generate legacy datasets of long-lasting value. One of the goals of imaging arrays of Cherenkov telescopes like CTA is to survey areas of the sky for faint very high energy gamma-ray (VHE)…

High Energy Astrophysical Phenomena · Physics 2019-08-14 G. Dubus , J. L. Contreras , S. Funk , Y. Gallant , T. Hassan , J. Hinton , Y. Inoue , J. Knödlseder , P. Martin , N. Mirabal , M. de Naurois , M. Renaud

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

In gamma-ray astronomy, a variety of data formats and proprietary software have been traditionally used, often developed for one specific mission or experiment. Especially for ground-based imaging atmospheric Cherenkov telescopes (IACTs),…

In this paper, we review the prospects for studies of active galactic nuclei (AGN) using the envisioned future Cherenkov Telescope Array (CTA). This review focuses on jetted AGN, which constitute the vast majority of AGN detected at…

High Energy Astrophysical Phenomena · Physics 2012-08-30 A. Reimer , M. Boettcher

The measurement of $\gamma$-rays originating from active galactic nuclei offers the unique opportunity to study the propagation of very-high-energy photons over cosmological distances. Most prominently, $\gamma$-rays interact with the…

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 2015-09-08 Ramin Marx , Raquel de los Reyes

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…

Two of the Key Science Projects of the Cherenkov Telescope Array (CTA) consist in performing a deep survey of the Galactic and Extragalactic sky, providing an unbiased view of the Universe at energies above tens of GeV. To optimize the time…

Instrumentation and Methods for Astrophysics · Physics 2019-07-19 A. Donini , T. Gasparetto , J. Bregeon , F. Di Pierro , F. Longo , G. Maier , A. Moralejo , T. Vuillaume

The Cherenkov Telescope Array (CTA) will be the world's leading ground-based gamma-ray observatory allowing us to study very high energy phenomena in the Universe. CTA will produce huge data sets, of the order of petabytes, and the…

Instrumentation and Methods for Astrophysics · Physics 2018-10-02 S. Mangano , C. Delgado , M. Bernardos , M. Lallena , J. J. Rodríguez Vázquez

Collider, direct and indirect searches for dark matter have typically little or no sensitivity to weakly interacting massive particles (WIMPs) with masses above a few TeV. This rather unexplored regime can however be probed through the…

High Energy Astrophysical Phenomena · Physics 2016-07-07 Alejandro Ibarra , Anna S. Lamperstorfer , Sergio López Gehler , Miguel Pato , Gianfranco Bertone

The Cherenkov Telescope Array (CTA) is a planned gamma-ray observatory. CTA will incorporate about 100 imaging atmospheric Cherenkov telescopes (IACTs) at a Southern site, and about 20 in the North. Previous IACT experiments have used up to…

Instrumentation and Methods for Astrophysics · Physics 2016-08-15 Iftach Sadeh , Igor Oya , Joseph Schwarz , Emmanuel Pietriga

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

Several projects planned or proposed can significantly expand our knowledge of the high-energy Universe in gamma rays. Construction of the Cherenkov telescope array CTA is started, and other detectors are planned which will use the…

Instrumentation and Methods for Astrophysics · Physics 2016-10-27 Alesandro De Angelis

The Cherenkov Telescope Array (CTA) is the future ground-based observatory for gamma-ray astronomy at very high energies. The atmosphere is an integral part of every Cherenkov telescope. Different atmospheric conditions, such as clouds, can…

In this work, we study the potential of the Cherenkov Telescope Array (CTA) for the detection of Galactic dark matter (DM) subhalos. We focus on low-mass subhalos that do not host any baryonic content and therefore lack any multiwavelength…

High Energy Astrophysical Phenomena · Physics 2021-06-08 Javier Coronado-Blázquez , Michele Doro , Miguel A. Sánchez-Conde , Alejandra Aguirre-Santaella

The Cherenkov Telescope Array (CTA) will be the next generation observatory employing different types of Cherenkov telescopes for the detection of particle showers initiated by very-high-energy gamma rays. A good knowledge of the Earth's…

Instrumentation and Methods for Astrophysics · Physics 2018-01-22 Stanislav Stefanik , Raquel de los Reyes , Dalibor Nosek