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The Cherenkov Telescope Array (CTA) will be the largest ground-based observatory operating in the very-high-energy gamma-ray (20 GeV - 300 TeV) range. It will be based on more than one hundred telescopes, located at two sites (northern and…

Instrumentation and Methods for Astrophysics · Physics 2018-01-22 Maria Concetta Maccarone

The Cherenkov Telescope Array (CTA) is the future instrument in ground-based gamma-ray astronomy in the energy range from 20 GeV to 300 TeV. Its sensitivity will surpass that of current generation experiments by a factor $\sim$10,…

Instrumentation and Methods for Astrophysics · Physics 2017-08-09 A. Schulz , M. Garczarczyk , L. Oakes , S. Schlenstedt , U. Schwanke , the CTA Consortium

The analysis of ring images produced by muons in an Imaging Atmospheric Cherenkov Telescope (IACT) provides a powerful and precise method to calibrate the IACT optical throughput and monitor its optical point-spread function (PSF). First…

Instrumentation and Methods for Astrophysics · Physics 2019-07-11 Markus Gaug , Steven Fegan , Alison Mitchell , Maria-Concetta Maccarone , Teresa Mineo , Akira Okumura

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…

Astronomical transients are intrinsically interesting things to study. Fast optical transients (microsecond timescale) are a largely unexplored field of optical astronomy mainly due to the fact that large optical telescopes are…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Sean Griffin , David Hanna , Adam Gilbert

The Cherenkov Telescope Array (CTA) observatory will probe the non-thermal universe above 20 GeV up to several hundreds of TeV with a significant improvement in sensitivity and angular resolution compared to current experiments. Its…

High Energy Astrophysical Phenomena · Physics 2017-10-25 Julien Lefaucheur , Catherine Boisson , Zeljka Bosnjak , Matteo Cerruti , Christoph Deil , Jean-Philippe Lenain , Santiago Pita , Andreas Zech

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 D. Nieto , S. Griffiths , B. Humensky , P. Kaaret , M. Limon , I. Mognet , A. Peck , A. Petrashyk , D. Ribeiro , J. Rousselle , B. Stevenson , V. Vassiliev , P. Yu

Very high energy (VHE; E > 100 GeV) gamma-rays provide a unique probe into the non-thermal processes in the universe. The ground-based Imaging Air Cherenkov telescopes (IACTs) for detecting VHE gamma-rays have been perfected, so a…

High Energy Astrophysical Phenomena · Physics 2019-08-15 Massimo Persic

Many models of dark matter (DM) are now widely considered and probed intensively with accelerators, underground detectors, and astrophysical experiments. Among the various approaches, high-energy astrophysical observations are extremely…

High Energy Astrophysical Phenomena · Physics 2023-10-04 Nagisa Hiroshima

Muon ring images observed with Imaging Atmospheric Cherenkov Telescopes (IACTs) provide a powerful means to calibrate the optical throughput of IACTs and monitor their optical point spread function. We investigate whether muons ring images…

Instrumentation and Methods for Astrophysics · Physics 2019-07-22 Markus Gaug , Stephen Fegan , Alison Mitchell , Maria-Concetta Maccarone , Teresa Mineo , Akira Okumura

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) is an international next-generation ground-based gamma-ray observatory. CTA will be implemented as southern and northern hemisphere arrays of tens of small, medium and large-sized imaging Cherenkov…

The Cherenkov Telescope Array (CTA) Observatory must be capable of issuing fast alerts on variable and transient sources to maximize the scientific return. This will be accomplished by means of a Real-Time Analysis (RTA) pipeline, a key…

The Cherenkov Telescope Array (CTA) is the next generation ground based observatory for gamma ray astronomy at very high energies. Employing more than 100 Imaging Atmospheric Cherenkov Telescopes in the northern and southern hemispheres, it…

The two arrays of the Very High Energy gamma-ray observatory Cherenkov Telescope Array (CTA) will include four Large Size Telescopes (LSTs) each with a 23 m diameter dish and 28 m focal distance. These telescopes will enable CTA to achieve…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 G. Ambrosi , Y. Awane , H. Baba , A. Bamba , M. Barceló , U. Barres de Almeida , J. A. Barrio , O. Blanch Bigas , J. Boix , L. Brunetti , E. Carmona , E. Chabanne , M. Chikawa , P. Colin , J. L. Conteras , J. Cortina , F. Dazzi , A. Deangelis , G. Deleglise , C. Delgado , C. Díaz , F. Dubois , A. Fiasson , D. Fink , N. Fouque , L. Freixas , C. Fruck , A. Gadola , R. García , D. Gascon , N. Geffroy , N. Giglietto , F. Giordano , F. Grañena , S. Gunji , R. Hagiwara , N. Hamer , Y. Hanabata , T. Hassan , K. Hatanaka , T. Haubold , M. Hayashida , R. Hermel , D. Herranz , K. Hirotani , S. Inoue , Y. Inoue , K. Ioka , C. Jablonski , M. Kagaya , H. Katagiri , T. Kishimoto , K. Kodani , K. Kohri , Y. Konno , S. Koyama , H. Kubo , J. Kushida , G. Lamanna , T. Le Flour , M. López-Moya , R. López , E. Lorenz , P. Majumdar , A. Manalaysay , M. Mariotti , G. Martínez , M. Martínez , D. Mazin , J. M. Miranda , R. Mirzoyan , I. Monteiro , A. Moralejo , K. Murase , S. Nagataki , D. Nakajima , T. Nakamori , K. Nishijima , K. Noda , A. Nozato , Y. Ohira , M. Ohishi , H. Ohoka , A. Okumura , R. Orito , J. L. Panazol , D. Paneque , R. Paoletti , J. M. Paredes , G. Pauletta , S. Podkladkin , J. Prast , R. Rando , O. Reimann , M. Ribó , S. Rosier-Lees , K. Saito , T. Saito , Y. Saito , N. Sakaki , R. Sakonaka , A. Sanuy , H. Sasaki , M. Sawada , V. Scalzotto , S. Schultz , T. Schweizer , T. Shibata , S. Shu , J. Sieiro , V. Stamatescu , S. Steiner , U. Straumann , R. Sugawara , H. Tajima , H. Takami , S. Tanaka , M. Tanaka , L. A. Tejedor , Y. Terada , M. Teshima , T. Totani , H. Ueno , K. Umehara , A. Vollhardt , R. Wagner , H. Wetteskind , T. Yamamoto , R. Yamazaki , A. Yoshida , T. Yoshida , T. Yoshikoshi

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 CTA (Cherenkov Telescope Array) is the next generation ground-based experiment for very high-energy (VHE) gamma-ray observations. It will integrate several tens of imaging atmospheric Cherenkov telescopes (IACTs) with different…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Julien Rousselle , Valerie Connaughton , Manel Errando , Brian Humensky , Reshmi Mukherjee , Daniel Nieto , Akira Okumura , Vladimir Vassiliev

Intensity interferometry exploits a quantum optical effect in order to measure objects with extremely small angular scales. The first experiment to use this technique was the Narrabri intensity interferometer, which was successfully used in…

Astrophysics · Physics 2009-06-23 W. J. de Wit , S. Le Bohec , J. A. Hinton , R. , J. White , M. K. Daniel , J. Holder

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