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The Cherenkov Telescope Array Observatory (CTAO) will be a ground-based Cherenkov telescope performing wide-sky surveys, ideal for anisotropy studies such as cross-correlations with tracers of the cosmic large-scale structure.…

High Energy Astrophysical Phenomena · Physics 2026-03-25 Elena Pinetti , Veronika Vodeb , Aurelio Amerio , Alessandro Cuoco , Stefano Camera , Nicolao Fornengo , Gabrijela Zaharijas

The site selection group for the future Cherenkov Telescope Array (CTA) has deployed sensitive light sensors at 9 candidate sites, 5 of them in the Southern and 4 in the Northern hemisphere. The sensors are equipped with a PIN diode and a…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Markus Gaug

The CTAO (Cherenkov Telescope Array Observatory) is an international observatory currently under construction. With more than sixty telescopes, it will eventually be the largest and most sensitive ground-based gamma-ray observatory. CTAO…

Instrumentation and Methods for Astrophysics · Physics 2025-02-12 Hana Ali Messaoud , Thomas Vuillaume , Tom François

In the framework of the Cherenkov Telescope Array (CTA), the GCT (Gamma-ray Cherenkov Telescope) team is building a dual-mirror telescope as one of the proposed prototypes for the CTA small size class of telescopes. The telescope is based…

High Energy Astrophysical Phenomena · Physics 2019-08-14 H. Costantini , J. -L. Dournaux , J. -P. Ernenwein , Ph. Laporte , H. Sol

The first Large-Sized Telescope (LST-1) proposed for the forthcoming Cherenkov Telescope Array (CTA) has started to operate in 2019 in La Palma. The large structure of LST-1 - with a 23 m mirror dish diameter - imposes a strict control of…

Instrumentation and Methods for Astrophysics · Physics 2021-08-03 L. Foffano , A. Carosi , M. Dalchenko , M. Heller , D. Della Volpe , T. Montaruli

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…

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

In the framework of the next generation of Cherenkov telescopes, the Cherenkov Telescope Array (CTA), NectarCAM is a camera designed for the medium size telescopes covering the central energy range of 100 GeV to 30 TeV. NectarCAM will be…

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…

Observations with the current generation of very-high-energy gamma-ray telescopes have revealed an astonishing variety of particle accelerators in the Milky Way, such as supernova remnants, pulsar wind nebulae, and binary systems. The…

Instrumentation and Methods for Astrophysics · Physics 2021-09-09 Q. Remy , L. Tibaldo , F. Acero , M. Fiori , J. Knödlseder , B. Olmi , P. Sharma

The Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE) is a telescope designed to explore the gamma-ray sky between 20 and 250 GeV using the atmospheric Cherenkov technique. STACEE is currently under construction. When completed,…

Astrophysics · Physics 2007-05-23 Rene A. Ong , Corbin E. Covault

The Cherenkov Telescope Array (CTA) will be the world's first observatory for detecting gamma-rays from astrophysical phenomena and is now in its prototyping phase with construction expected to begin in 2015/16. In this work we present the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Cameron B. Rulten , Sam J. Nolan

The Single-Mirror Small-Size Telescope (SST-1M) is an Imaging Atmospheric Cherenkov Telescope designed for detecting very high-energy gamma rays. With a compact design achieved through the adoption of silicon-photomultiplier pixels and a…

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 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 design of the camera support structures for the Cherenkov Telescope Array (CTA) Large Size Telescopes (LSTs) is based on an elliptical arch geometry reinforced along its orthogonal projection by two symmetric sets of stabilizing ropes.…

Instrumentation and Methods for Astrophysics · Physics 2019-08-17 G. Deleglise , N. Geffroy , G. Lamanna

Telescopes -- far seeing -- have since centuries revealed insights to objects at cosmic distances. Adopted for gamma-ray-astronomy, ground based Cherenkov-telescopes image the faint Cherenkov-light of air-showers induced by cosmic…

Instrumentation and Methods for Astrophysics · Physics 2019-05-01 Sebastian Achim Mueller

The Cherenkov Telescope Array Observatory (CTAO) and the Vera C. Rubin Observatory are set to transform our understanding of the universe over the next decade. These two observatories have multiple areas of complementarity in their…

High Energy Astrophysical Phenomena · Physics 2026-05-13 J. Biteau , J. Hamo , A. Mikhno , J. Peloton , J. -P. Lenain

Reconstruction of energies of very-high-energy gamma-rays observed by imaging atmospheric Cherenkov telescopes is affected by changes in the atmospheric conditions and the performance of telescope components. Reliable calibration schemes…

Instrumentation and Methods for Astrophysics · Physics 2019-09-24 Stanislav Stefanik , Dalibor Nosek

CTA will comprise a sub-array of up to 70 small size telescopes (SSTs) at the southern array. The SST-1M project, a 4 m-diameter Davies Cotton telescope with 9 degrees FoV and a 1296 pixels SiPM camera, is designed to meet the requirements…

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