Related papers: Simulation of Imaging Atmospheric Cherenkov Telesc…

Atmospheric calibration of the Cherenkov Telescope Array

Atmospheric monitoring is an integral part of the design of the Cherenkov Telescope Array (CTA), as atmospheric conditions affect the observations by Imaging Atmospheric Cherenkov Telescopes (IACT) in multiple ways. The variable optical…

Instrumentation and Methods for Astrophysics · Physics 2018-01-22 Jan Ebr , Tomasz Bulik , Lluis Font , Markus Gaug , Petr Janecek , Jakub Jurysek , Dusan Mandat , Stanislav Stefanik , Laura Valore , George Vasileiadis

Study of the performance of an array of Cherenkov telescopes by means of multi-objective evolutionary optimisation

This paper is concerned with the performance optimisation of an stereoscopic array of imaging atmospheric Cherenkov telescopes (IACTs) as a function of their positioning on the ground. In this first work we are concerned primarily with the…

Instrumentation and Methods for Astrophysics · Physics 2019-07-30 Bruno Fontes Souto , Ulisses Barres de Almeida

Analysis of the Cherenkov Telescope Array first Large-Sized Telescope real data using convolutional neural networks

The Cherenkov Telescope Array (CTA) is the future ground-based gamma-ray observatory and will be composed of two arrays of imaging atmospheric Cherenkov telescopes (IACTs) located in the Northern and Southern hemispheres respectively. The…

Instrumentation and Methods for Astrophysics · Physics 2021-08-10 Thomas Vuillaume , Mikaël Jacquemont , Mathieu de Bony de Lavergne , David A. Sanchez , Vincent Poireau , Gilles Maurin , Alexandre Benoit , Patrick Lambert , Giovanni Lamanna , CTA-LST Project

Using Muon Rings for the Calibration of the Cherenkov Telescope Array: A Systematic Review of the Method and its Potential Accuracy

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

Simulation Study of TenTen: A new Multi-TeV IACT array

TenTen is a proposed array of Imaging Atmospheric Cherenkov Telescopes (IACT) optimized for the gamma ray energy regime of 10 TeV to 100 TeV, but with a threshold of ~1 to a few TeV. It will offer a collecting area of 10 km2 above energies…

Astrophysics · Physics 2007-10-17 V. Stamatescu , G. Rowell , R. Clay , B. Dawson , J. Denman , R. Dunbar , R. Protheroe , A. Smith , G. Thornton , N. Wild

Probing extreme environments with the Cherenkov Telescope Array

The physics of the non-thermal Universe provides information on the acceleration mechanisms in extreme environments, such as black holes and relativistic jets, neutron stars, supernovae or clusters of galaxies. In the presence of magnetic…

Instrumentation and Methods for Astrophysics · Physics 2021-06-11 C. Boisson , A. M. Brown , A. Burtovoi , M. Cerruti , M. Chernyakova , T. Hassan , J. -P. Lenain , M. Manganaro , P. Romano , H. Sol , F. Tavecchio , S. Vercellone , L. Zampieri , R. Zanin , A. Zech , I. Agudo , R. Alves Batista , E. O. Anguner , L. A. Antonelli , M. Backes , C. Balazs , J. Becerra González , C. Bigongiari , E. Bissaldi , J. Bolmont , P. Bordas , Ž. Bošnjak , M. Böttcher , M. Burton , F. Cangemi , P. Caraveo , M. Cardillo , S. Caroff , A. Carosi , S. Casanova , S. Chaty , J. L. Contreras , J. G. Coelho , G. Cotter , A. D'Aì , F. D'Ammando , E. M. de Gouveia Dal Pino , D. de Martino , C. Delgado , D. della Volpe , A. Djannati-Ataï , R. C. Dos Anjos , E. de Oña Wilhelmi , V. Dwarkadas , G. Emery , E. Fedorova , S. Fegan , M. D. Filipovic , G. Galanti , D. Gasparrini , G. Ghirlanda , P. Goldoni , J. Granot , J. G. Green , M. Heller , B. Hnatyk , R. Hnatyk , D. Horan , T. Hovatta , S. Inoue , M. Jamrozy , B. Khélifi , N. Komin , K. Kohri , A. Lamastra , N. La Palombara , E. Lindfors , I. Liodakis , S. Lombardi , F. Longo , F. Lucarelli , P. L. Luque-Escamilla , J. Marti , M. Martinez , D. Mazin , J. D. Mbarubucyeye , S. Menchiari , L. Mohrmann , T. Montaruli , A. Moralejo Olaizola , D. Morcuende , G. Morlino , A. Morselli , C. G. Mundell , T. Murach , A. Nagai , A. Nayerhoda , J. Niemiec , M. Nikolajuk , B. Olmi , M. Orienti , J. M. Paredes , G. Pareschi , A. Pe'er , G. Pühlhofer , M. Punch , O. Reimer , M. Ribó , F. Rieger , G. Rodriguez , J. Rodriguez , G. Romeo , M. Roncadelli , G. Rowell , B. Rudak , I. Sadeh , F. Salesa Greus , U. Sawangwit , F. Schüssler , O. Sergijenko , R. C. Shellard , F. G. Saturni , A. Stamerra , Th. Stolarczyk , G. Tagliaferri , V. Testa , L. Tibaldo , S. Ventura , A. Viana , J. Vink , V. Vitale , S. Vorobiov , A. Wierzcholska , M. Zacharias , D. Zavrtanik

Performance of the Cherenkov Telescope Array in the presence of clouds

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…

Instrumentation and Methods for Astrophysics · Physics 2021-08-02 Mario Pecimotika , Katarzyna Adamczyk , Dijana Dominis Prester , Orel Gueta , Dario Hrupec , Gernot Maier , Saša Mićanović , Lovro Pavletić , Julian Sitarek , Dorota Sobczyńska , Michał Szanecki

The HEGRA Experiment - Status and Recent Results

A report is given on the status and recent results from the HEGRA imaging atmospheric Cherenkov telescopes (IACT) concerning Mrk 501 and GRS 1915+105 and on recent results from the HEGRA arrays concerning galactic and extragalactic…

Astrophysics · Physics 2019-08-14 F. A. Aharonian , G. Heinzelmann , :

A spatial likelihood analysis for MAGIC telescope data

Context. The increase in sensitivity of Imaging Atmospheric Cherenkov Telescopes (IACTs) has lead to numerous detections of extended $\gamma$-ray sources at TeV energies, sometimes of sizes comparable to the instrument's field of view…

Instrumentation and Methods for Astrophysics · Physics 2018-11-07 Ie. Vovk , M. Strzys , C. Fruck

A template method for measuring the iron spectrum in cosmic rays with Cherenkov telescopes

The energy-dependent abundance of elements in cosmic rays plays an important role in understanding their acceleration and propagation. Most current results are obtained either from direct measurements by balloon- or satellite-borne…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 Henrike Fleischhack

Detection methods for the Cherenkov Telescope Array at very-short exposure times

The Cherenkov Telescope Array (CTA) will be the next generation ground-based observatory for very-high-energy (VHE) gamma-ray astronomy, with the deployment of tens of highly sensitive and fast-reacting Cherenkov telescopes. It will cover a…

Instrumentation and Methods for Astrophysics · Physics 2022-09-21 Ambra Di Piano , Andrea Bulgarelli , Valentina Fioretti , Leonardo Baroncelli , Nicolò Parmiggiani , Francesco Longo , Antonio Stamerra , Alicia López-Oramas , Giulia Stratta , and Giovanni De Cesare

A NECTAr-based upgrade for the Cherenkov cameras of the H.E.S.S. 12-meter telescopes

The High Energy Stereoscopic System (H.E.S.S.) is one of the three arrays of imaging atmospheric Cherenkov telescopes (IACTs) currently in operation. It is composed of four 12-meter telescopes and a 28-meter one, and is sensitive to gamma…

Instrumentation and Methods for Astrophysics · Physics 2020-02-26 Terry Ashton , Michael Backes , Arnim Balzer , David Berge , Julien Bolmont , Simon Bonnefoy , Francois Brun , Thomas Chaminade , Eric Delagnes , Gerard Fontaine , Matthias Füßling , Gianluca Giavitto , Berrie Giebels , Jean-Francois Glicenstein , Tobias Gräber , Jim Hinton , Albert Jahnke , Stefan Klepser , Marko Kossatz , Axel Kretzschmann , Valentin Lefranc , Holger Leich , Jean-Philippe Lenain , Hartmut Lüdecke , Iryna Lypova , Pascal Manigot , Vincent Marandon , Emmanuel Moulin , Thomas Murach , Mathieu de Naurois , Patrick Nayman , Stefan Ohm , Marek Penno , Duncan Ross , David Salek , Markus Schade , Thomas Schwab , Kleopas Shiningayamwe , Christian Stegmann , Constantin Steppa , Jean-Paul Tavernet , Julian Thornhill , Francois Toussnel , Pascal Vincent

Event types in H.E.S.S.: a combined analysis for different telescope types and energy ranges

Imaging atmospheric Cherenkov telescopes (IACTs) are the main technique for detecting gamma rays with energies between tens of GeV and hundreds of TeV. Amongst them, the High Energy Stereoscopic System (H.E.S.S.) has pioneered the use of…

High Energy Astrophysical Phenomena · Physics 2026-04-01 Rodrigo Guedes Lang , Tim Unbehaun , Lars Mohrmann , Simon Steinmassl , Jim Hinton , Stefan Funk

Tools and Procedures for the CTA Array Calibration

The Cherenkov Telescope Array (CTA) is an international initiative to build the next generation ground-based very-high-energy gamma-ray observatory. Full sky coverage will be assured by two arrays, one located on each of the northern and…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Maria Concetta Maccarone , Dan Parsons , Markus Gaug , Raquel de los Reyes

A new method of reconstructing images of gamma-ray telescopes applied to the LST-1 of CTAO

Imaging atmospheric Cherenkov telescopes (IACTs) are used to observe very high-energy photons from the ground. Gamma rays are indirectly detected through the Cherenkov light emitted by the air showers they induce. The new generation of…

High Energy Astrophysical Phenomena · Physics 2024-11-27 CTA-LST Project , : , K. Abe , S. Abe , A. Abhishek , F. Acero , A. Aguasca-Cabot , I. Agudo , C. Alispach , N. Alvarez Crespo , D. Ambrosino , L. A. Antonelli , C. Aramo , A. Arbet-Engels , C. Arcaro , K. Asano , P. Aubert , A. Baktash , M. Balbo , A. Bamba , A. Baquero Larriva , U. Barres de Almeida , J. A. Barrio , L. Barrios Jiménez , I. Batkovic , J. Baxter , J. Becerra González , E. Bernardini , J. Bernete Medrano , A. Berti , I. Bezshyiko , P. Bhattacharjee , C. Bigongiari , E. Bissaldi , O. Blanch , G. Bonnoli , P. Bordas , G. Borkowski , G. Brunelli , A. Bulgarelli , I. Burelli , L. Burmistrov , M. Buscemi , M. Cardillo , S. Caroff , A. Carosi , M. S. Carrasco , F. Cassol , N. Castrejón , D. Cauz , D. Cerasole , G. Ceribella , Y. Chai , K. Cheng , A. Chiavassa , M. Chikawa , G. Chon , L. Chytka , G. M. Cicciari , A. Cifuentes , J. L. Contreras , J. Cortina , H. Costantini , P. Da Vela , M. Dalchenko , F. Dazzi , A. De Angelis , M. de Bony de Lavergne , B. De Lotto , R. de Menezes , R. Del Burgo , L. Del Peral , C. Delgado , J. Delgado Mengual , D. della Volpe , M. Dellaiera , A. Di Piano , F. Di Pierro , R. Di Tria , L. Di Venere , C. Díaz , R. M. Dominik , D. Dominis Prester , A. Donini , D. Dorner , M. Doro , L. Eisenberger , D. Elsässer , G. Emery , J. Escudero , V. Fallah Ramazani , F. Ferrarotto , A. Fiasson , L. Foffano , L. Freixas Coromina , S. Fröse , Y. Fukazawa , R. Garcia López , C. Gasbarra , D. Gasparrini , D. Geyer , J. Giesbrecht Paiva , N. Giglietto , F. Giordano , P. Gliwny , N. Godinovic , R. Grau , D. Green , J. Green , S. Gunji , P. Günther , J. Hackfeld , D. Hadasch , A. Hahn , T. Hassan , K. Hayashi , L. Heckmann , M. Heller , J. Herrera Llorente , K. Hirotani , D. Hoffmann , D. Horns , J. Houles , M. Hrabovsky , D. Hrupec , D. Hui , M. Iarlori , R. Imazawa , T. Inada , Y. Inome , S. Inoue , K. Ioka , M. Iori , A. Iuliano , I. Jimenez Martinez , J. Jimenez Quiles , J. Jurysek , M. Kagaya , O. Kalashev , V. Karas , H. Katagiri , J. Kataoka , D. Kerszberg , Y. Kobayashi , K. Kohri , A. Kong , H. Kubo , J. Kushida , M. Lainez , G. Lamanna , A. Lamastra , L. Lemoigne , M. Linhoff , F. Longo , R. López-Coto , A. López-Oramas , S. Loporchio , A. Lorini , J. Lozano Bahilo , H. Luciani , P. L. Luque-Escamilla , P. Majumdar , M. Makariev , M. Mallamaci , D. Mandat , M. Manganaro , G. Manicò , K. Mannheim , S. Marchesi , M. Mariotti , P. Marquez , G. Marsella , J. Martí , O. Martinez , G. Martínez , M. Martínez , A. Mas-Aguilar , G. Maurin , D. Mazin , J. Méndez-Gallego , E. Mestre Guillen , S. Micanovic , D. Miceli , T. Miener , J. M. Miranda , R. Mirzoyan , T. Mizuno , M. Molero Gonzalez , E. Molina , T. Montaruli , A. Moralejo , D. Morcuende , A. Morselli , V. Moya , H. Muraishi , S. Nagataki , T. Nakamori , A. Neronov , L. Nickel , M. Nievas Rosillo , L. Nikolic , K. Nishijima , K. Noda , D. Nosek , V. Novotny , S. Nozaki , M. Ohishi , Y. Ohtani , T. Oka , A. Okumura , R. Orito , J. Otero-Santos , P. Ottanelli , E. Owen , M. Palatiello , D. Paneque , F. R. Pantaleo , R. Paoletti , J. M. Paredes , M. Pech , M. Pecimotika , M. Peresano , F. Pfeifle , E. Pietropaolo , M. Pihet , G. Pirola , C. Plard , F. Podobnik , E. Pons , E. Prandini , C. Priyadarshi , M. Prouza , S. Rainò , R. Rando , W. Rhode , M. Ribó , C. Righi , V. Rizi , G. Rodriguez Fernandez , M. D. Rodríguez Frías , A. Ruina , E. Ruiz-Velasco , T. Saito , S. Sakurai , D. A. Sanchez , H. Sano , T. Šarić , Y. Sato , F. G. Saturni , V. Savchenko , F. Schiavone , B. Schleicher , F. Schmuckermaier , J. L. Schubert , F. Schussler , T. Schweizer , M. Seglar Arroyo , T. Siegert , J. Sitarek , V. Sliusar , J. Strišković , M. Strzys , Y. Suda , H. Tajima , H. Takahashi , M. Takahashi , J. Takata , R. Takeishi , P. H. T. Tam , S. J. Tanaka , D. Tateishi , T. Tavernier , P. Temnikov , Y. Terada , K. Terauchi , T. Terzic , M. Teshima , M. Tluczykont , F. Tokanai , D. F. Torres , P. Travnicek , A. Tutone , M. Vacula , P. Vallania , J. van Scherpenberg , M. Vázquez Acosta , S. Ventura , G. Verna , I. Viale , A. Vigliano , C. F. Vigorito , E. Visentin , V. Vitale , V. Voitsekhovskyi , G. Voutsinas , I. Vovk , T. Vuillaume , R. Walter , L. Wan , M. Will , J. Wójtowicz , T. Yamamoto , R. Yamazaki , P. K. H. Yeung , T. Yoshida , T. Yoshikoshi , W. Zhang , N. Zywucka

Investigating a Deep Learning Method to Analyze Images from Multiple Gamma-ray Telescopes

Imaging atmospheric Cherenkov telescope (IACT) arrays record images from air showers initiated by gamma rays entering the atmosphere, allowing astrophysical sources to be observed at very high energies. To maximize IACT sensitivity,…

Instrumentation and Methods for Astrophysics · Physics 2020-01-13 Aryeh Brill , Qi Feng , T. Brian Humensky , Bryan Kim , Daniel Nieto , Tjark Miener

FACT -- the First Cherenkov Telescope using a G-APD Camera for TeV Gamma-ray Astronomy (HEAD 2010)

Geiger-mode Avalanche Photodiodes (G-APD) bear the potential to significantly improve the sensitivity of Imaging Air Cherenkov Telescopes (IACT). We are currently building the First G-APD Cherenkov Telescope (FACT) by refurbishing an old…

High Energy Astrophysical Phenomena · Physics 2010-11-23 H. Anderhub , M. Backes , A. Biland , A. Boller , I. Braun , T. Bretz , S. Commichau , V. Commichau , M. Domke , D. Dorner , A. Gendotti , O. Grimm , H. von Gunten , D. Hildebrand , U. Horisberger , J. -H. Köhne , T. Krähenbühl , D. Kranich , B. Krumm , E. Lorenz , W. Lustermann , K. Mannheim , D. Neise , F. Pauss , D. Renker , W. Rhode , M. Rissi , M. Ribordy , U. Röser , L. S. Stark , J. -P. Stucki , O. Tibolla , G. Viertel , P. Vogler , K. Warda , Q. Weitzel

Deep Learning-Based Stereoscopic Event Reconstruction for CTAO using CTLearn

The Cherenkov Telescope Array Observatory (CTAO), a next-generation ground-based gamma-ray observatory, will be composed of two arrays of multiple imaging atmospheric Cherenkov telescopes (IACTs) located in both the Northern and Southern…

High Energy Astrophysical Phenomena · Physics 2025-09-19 T. Miener , I. Viale , B. Lacave , A. Cerviño

Locating TeV Gamma-Ray Sources with Sub-Arcminute Precision: the Pointing Calibration of the HEGRA System of Imaging Atmospheric Cherenkov Telescopes

Stereoscopic viewing of TeV gamma-ray air showers with systems of Imaging Atmospheric Cherenkov Telescopes (IACTs) allows to reconstruct the origin of individual primary particles with an accuracy of 0.1 degree or better. The shower impact…

Astrophysics · Physics 2007-05-23 G. Puehlhofer , A. Daum , G. Hermann , M. Hess , W. Hofmann , C. Koehler , M. Panter

IACT event analysis with the MAGIC telescopes using deep convolutional neural networks with CTLearn

The Major Atmospheric Gamma Imaging Cherenkov (MAGIC) telescope system consists of two imaging atmospheric Cherenkov telescopes (IACTs) and is located on the Canary island of La Palma. IACTs are excellent tools to inspect the…

Instrumentation and Methods for Astrophysics · Physics 2021-12-06 T. Miener , R. López-Coto , J. L. Contreras , J. G. Green , D. Green , E. Mariotti , D. Nieto , L. Romanato , S. Yadav