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Monte Carlo Studies of Combined MAGIC and LST1 Observations

The Cherenkov Telescope Array (CTA) is the next generation very high energy gamma-ray observatory covering the 20 GeV - 300 TeV energy range with unprecedented sensitivity, angular and energy resolution. With a site in each hemisphere, CTA…

High Energy Astrophysical Phenomena · Physics 2019-07-18 F. Di Pierro , L. Arrabito , A. Baquero Larriva , A. Berti , J. Bregeon , D. Depaoli , D. Dominis Prester , R. Lopez Coto , M. Manganaro , S. Mićanović , A. Moralejo , Y. Ohtani , L. Saha , J. Sitarek , Y. Suda , T. Terzić , I. Vovk , T. Vuillaume

Recent developments for the testing of Cherenkov Telescope Array mirrors and actuators in T\"ubingen

The Cherenkov Telescope Array (CTA) is the next generation Cherenkov telescope facility. It will consist of a large number of segmented-mirror telescopes of three different diameters, placed in two locations, one in the northern and one in…

Instrumentation and Methods for Astrophysics · Physics 2015-08-26 J. Dick , A. Bonardi , S. Bressel , M. Capasso , S. Diebold , F. Eisenkolb , D. Gottschall , E. Kendziorra , G. Pühlhofer , S. Renner , A. Santangelo , T. Schanz , C. Tenzer

A Compact High Energy Camera (CHEC) for the Gamma-ray Cherenkov Telescope of the Cherenkov Telescope Array

The Gamma-ray Cherenkov Telescope (GCT) is one of the Small Size Telescopes (SSTs) proposed for the Cherenkov Telescope Array (CTA) aimed at the 1 TeV to 300 TeV energy range. GCT will be equipped with a Compact High-Energy Camera (CHEC)…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Richard White , Harm Schoorlemmer

Development of the photomultiplier tube readout system for the first Large-Sized Telescope of the Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) is the next generation ground-based very high energy gamma-ray observatory. The Large-Sized Telescope (LST) of CTA targets 20 GeV -- 1 TeV gamma rays and has 1855 photomultiplier tubes (PMTs) installed in…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Shu Masuda , Yusuke Konno , Juan Abel Barrio , Oscar Blanch Bigas , Carlos Delgado , Lluís Freixas Coromina , Shuichi Gunji , Daniela Hadasch , Kenichiro Hatanaka , Masahiro Ikeno , Jose Maria Illa Laguna , Yusuke Inome , Kazuma Ishio , Hideaki Katagiri , Hidetoshi Kubo , Gustavo Martínez , Daniel Mazin , Daisuke Nakajima , Takeshi Nakamori , Hideyuki Ohoka , Riccardo Paoletti , Stefan Ritt , Andrea Rugliancich , Takayuki Saito , Karl-Heinz Sulanke , Junki Takeda , Manobu Tanaka , Shunsuke Tanigawa , Luis Ángel Tejedor , Masahiro Teshima , Yugo Tsuchiya , Tomohisa Uchida , Tokonatsu Yamamoto , the LST team

Silicon Photomultiplier Research and Development Studies for the Large Size Telescope of the Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) is the the next generation facility of imaging atmospheric Cherenkov telescopes; two sites will cover both hemispheres. CTA will reach unprecedented sensitivity, energy and angular resolution in…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Riccardo Rando , Daniele Corti , Francesco Dazzi , Alessandro De Angelis , Antonios Dettlaff , Daniela Dorner , David Fink , Nadia Fouque , Felix Grundner , Werner Haberer , Alexander Hahn , Richard Hermel , Samo Korpar , Gašper Kukec Mezek , Ronald Maier , Christian Manea , Mosè Mariotti , Daniel Mazin , Fatima Mehrez , Razmik Mirzoyan , Sergey Podkladkin , Ignasi Reichardt , Wolfgang Rhode , Sylvie Rosier , Cornelia Schultz , Carlo Stella , Masahiro Teshima , Holger Wetteskind , Marko Zavrtanik

Sensitivity of CTA to dark matter signals from the Galactic Center

(abridged) The Galactic Center is one of the most promising targets for indirect detection of dark matter with gamma rays. We investigate the sensitivity of the upcoming Cherenkov Telescope Array (CTA) to dark matter annihilation and decay…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Mathias Pierre , Jennifer M. Siegal-Gaskins , Pat Scott

Calibration of the Air Shower Energy Scale of the Water and Air Cherenkov Techniques in the LHAASO experiment

The Wide Field-of-View Cherenkov Telescope Array (WFCTA) and the Water Cherenkov Detector Arrays (WCDA) of LHAASO are designed to work in combination for measuring the energy spectra of various cosmic ray species over a very wide energy…

Instrumentation and Methods for Astrophysics · Physics 2021-09-22 F. Aharonian , Q. An , Axikegu , L. X. Bai , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , H. Cai , J. T. Cai , Z. Cao Z. Cao , J. Chang , J. F. Chang , X. C. Chang , B. M. Chen , J. Chen , L. Chen , L. Chen , L. Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. L. Chen , Y. Chen , N. Cheng , Y. D. Cheng , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , D. della Volpe , B. DEttorre Piazzoli , X. J. Dong , J. H. Fan , Y. Z. Fan , Z. X. Fan , J. Fang , K. Fang , C. F. Feng , L. Feng , S. H. Feng , Y. L. Feng , B. Gao , C. D. Gao , Q. Gao , W. Gao , M. M. Ge , L. S. Geng , G. H. Gong , Q. B. Gou , M. H. Gu , J. G. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , Y. A. Han , H. H. He , H. N. He , J. C. He , S. L. He , X. B. He , Y. He , M. Heller , Y. K. Hor , C. Hou , X. Hou , H. B. Hu , S. Hu , S. C. Hu , X. J. Hu , D. H. Huang , Q. L. Huang , W. H. Huang , X. T. Huang , Z. C. Huang , F. Ji , X. L. Ji , H. Y. Jia , K. Jiang , Z. J. Jiang , C. Jin , D. Kuleshov , K. Levochkin , B. B. Li , C. Li , C. Li , F. Li , H. B. Li , H. C. Li , H. Y. Li , J. Li , K. Li , W. L. Li , X. Li , X. Li , X. R. Li , Y. Li , Y. Z. Li , Z. Li , Z. Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , H. Liu , H. D. Liu , J. Liu , J. L. Liu , J. S. Liu , J. Y. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , Y. N. Liu , Z. X. Liu , W. J. Long , R. Lu , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , J. R. Mao , A. Masood , W. Mitthumsiri , T. Montaruli , Y. C. Nan , B. Y. Pang , P. Pattarakijwanich , Z. Y. Pei , M. Y. Qi , D. Ruffolo , V. Rulev , A. Saiz , L. Shao , O. Shchegolev , X. D. Sheng , J. R. Shi , H. C. Song , Yu. V. Stenkin , V. Stepanov , Q. N. Sun , X. N. Sun , Z. B. Sun , P. H. T. Tam , Z. B. Tang , W. W. Tian , B. D. Wang , C. Wang , H. Wang , H. G. Wang , J. C. Wang , J. S. Wang , L. P. Wang , L. Y. Wang , R. N. Wang , W. Wang , W. Wang , X. G. Wang , X. J. Wang , X. Y. Wang , Y. D. Wang , Y. J. Wang , Y. P. Wang , Z. Wang , Z. Wang , Z. H. Wang , Z. X. Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , C. Y. Wu , H. R. Wu , S. Wu , X. Wu , X. F. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , G. Xiao , H. B. Xiao , G. G. Xin , Y. L. Xin , Y. Xing , D. L. Xu , R. X. Xu , L. Xue , D. H. Yan , C. W. Yang , F. F. Yang , J. Y. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , S. B. Yang , Y. H. Yao , Z. G. Yao , Y. M. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Y. H. Yu , Q. Yuan , H. D. Zeng , T. X. Zeng , W. Zeng , Z. K. Zeng , M. Zha , X. X. Zhai , B. B. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , J. W. Zhang , L. Zhang , L. Zhang , L. X. Zhang , P. F. Zhang , P. P. Zhang , R. Zhang , S. R. Zhang , S. S. Zhang , X. Zhang , X. P. Zhang , Y. Zhang , Y. Zhang , Y. F. Zhang , Y. L. Zhang , B. Zhao , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , F. Zheng , Y. Zheng , B. Zhou , H. Zhou , J. N. Zhou , P. Zhou , R. Zhou , X. X. Zhou , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , X. Zuo

ALTAI: Computational code for the simulations of TeV air showers as observed with the ground-based imaging atmospheric Cherenkov telescopes

Ground-based atmospheric Cherenkov telescopes are proven to be effective instruments for observations of very high energy (VHE) gamma-radiation from celestial objects. For effective use of such technique one needs detailed Monte Carlo…

Astrophysics · Physics 2009-10-31 A. Konopelko , A. Plyasheshnikov

Roughness tolerances for Cherenkov telescope mirrors

The Cherenkov Telescope Array (CTA) is a forthcoming international ground-based observatory for very high-energy gamma rays. Its goal is to reach sensitivity five to ten times better than existing Cherenkov telescopes such as VERITAS,…

Instrumentation and Methods for Astrophysics · Physics 2016-10-05 K. Tayabaly , D. Spiga , R. Canestrari , G. Bonnoli , M. Lavagna , G. Pareschi

End-to-end data acquisition pipeline for the Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) will operate several types of telescopes and cameras. The individual camera trigger rates will vary much - from 0.6 to 15 kHz - while the content of the raw data will be heterogeneous. Raw data streams of…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 E. Lyard , R. Walter

Redshift determination of blazars for the Cherenkov Telescope Array

Blazars are the most numerous type of observed high-energy gamma-ray emitters. However, their emission mechanisms and population properties are still not well-understood. Crucial to this understanding are their cosmological redshifts, which…

High Energy Astrophysical Phenomena · Physics 2023-03-24 Eli Kasai , Paolo Goldoni , Santiago Pita , Catherine Boisson , Michael Backes , Garret Cotter , Filippo D'Ammando , Brian van Soelen

Cherenkov Telescope Array potential in the search for Galactic PeVatrons

One of the major scientific objectives of the future Cherenkov Telescope Array (CTA) Observatory is the search for PeVatrons. PeVatrons are cosmic-ray factories able to accelerate nuclei at least up to the knee feature seen in the spectrum…

High Energy Astrophysical Phenomena · Physics 2019-11-15 E. O. Angüner , F. Cassol , H. Costantini , C. Trichard , G. Verna

Monte Carlo comparison of medium-size telescope designs for the Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) is a future very high energy gamma-ray observatory. CTA will be comprised of small-,medium- and large-size telescopes covering an energy range from tens of GeV to hundreds of TeV and will surpass existing…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 T. Jogler , M. D. Wood , J. Dumm , A. Bouvier

Reconstruction of extensive air shower images of the first Large Size Telescope prototype of CTA using a novel likelihood technique

Ground-based gamma-ray astronomy aims at reconstructing the energy and direction of gamma rays from the extensive air showers they initiate in the atmosphere. Imaging Atmospheric Cherenkov Telescopes (IACT) collect the Cherenkov light…

Instrumentation and Methods for Astrophysics · Physics 2022-09-21 Gabriel Emery , Cyril Alispach , Mykhailo Dalchenko , Luca Foffano , Matthieu Heller , Teresa Montaruli

Optimal strategies for observation of active galactic nuclei variability with Imaging Atmospheric Cherenkov Telescopes

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

The Graphical User Interface of the Operator of the Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) is the next generation 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…

Instrumentation and Methods for Astrophysics · Physics 2020-05-22 Iftach Sadeh , Igor Oya , Joseph Schwarz , Emmanuel Pietriga , Dejan Dezman

Performance of the Mechanical Structure of the SST-2M GCT Proposed for the Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) consortium aims to create the next generation Very High Energy gamma-ray observatory. It will be devoted to the observation of gamma rays over a wide band of energy, from 20 GeV to 300 TeV. Three…

Instrumentation and Methods for Astrophysics · Physics 2015-08-27 Jean-Laurent Dournaux , Jean-Michel Huet , Delphine Dumas , Jean-Philippe Amans , Gilles Fasola , Philippe Laporte , Jean-Jacques Bousquet , Hélène Sol

On the Potential of the Imaging Atmospheric Cherenkov Technique for Study of the Mass Composition of Primary Cosmic Radiation in the Energy Region above 30 TeV

We suggest a new approach to study the cosmis ray (CR) mass composition in the energy region from 30 TeV/nucleus up to the "knee" region, i.e. up to a few PeV/nucleus, using an array of imaging atmospheric Cherenkov telescopes (IACTs) of a…

Astrophysics · Physics 2009-11-07 F. A. Aharonian , V. V. Bugayov , J. Kettler , A. V. Plyasheshnikov , H. J. Voelk

Gammapy: high level data analysis for extragalactic science cases with the Cherenkov Telescope Array

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

Extending the observation limits of Imaging Air Cherenkov Telescopes toward horizon

Usually the Imaging Atmospheric Cherenkov Telescopes, used for the ground-based gamma-ray astronomy in the very high energy range 50 GeV - 50 TeV, perform air shower observations till the zenith angle of ~60 deg. Beyond that limit the…

Instrumentation and Methods for Astrophysics · Physics 2019-03-13 Razmik Mirzoyan , Ievgen Vovk , Michele Peresano , Petar Temnikov , Darko Zaric , Nikola Godinovic , Juliane van Scherpenberg , Juergen Besenrieder , Masahiro Teshima