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Imaging Atmospheric Cherenkov Telescopes (IACTs) of gamma ray observatory TAIGA detect the Extesnive Air Showers (EASs) originating from the cosmic or gamma rays interactions with the atmosphere. Thereby, telescopes obtain images of the…

Instrumentation and Methods for Astrophysics · Physics 2024-01-31 E. O. Gres , A. P. Kryukov , A. P. Demichev , J. J. Dubenskaya , S. P. Polyakov , A. A. Vlaskina , D. P. Zhurov

Very High Energy (VHE) gamma rays and charged cosmic rays (CCRs) provide an observational window into the acceleration mechanisms of extreme astrophysical environments. One of the major challenges at Imaging Air Cherenkov Telescopes (IACTs)…

Instrumentation and Methods for Astrophysics · Physics 2023-05-03 Songshaptak De , Writasree Maitra , Vikram Rentala , Arun M. Thalapillil

The imaging Cherenkov telescopes TAIGA-IACT, located in the Tunka valley of the republic Buryatia, accumulate a lot of data in a short period of time which must be efficiently and quickly analyzed. One of the methods of such analysis is the…

Instrumentation and Methods for Astrophysics · Physics 2021-12-21 Elizaveta Gres , and Alexander Kryukov

Ground-based observations of Very High Energy (VHE) gamma rays from extreme astrophysical sources are significantly influenced by atmospheric conditions. This is due to the atmosphere being an integral part of the detector when utilizing…

In this paper we have introduced a novel method for gamma hadron separation in Imaging Atmospheric Cherenkov Telescopes (IACT) using Quantum Machine Learning. IACTs captures images of Extensive Air Showers (EAS) produced from very high…

Instrumentation and Methods for Astrophysics · Physics 2022-11-01 Jashwanth S , Sudeep Ghosh , Neha Shah , Kavitha Yogaraj , Ankhi Roy

The MAGIC telescope with its 17m diameter mirror is today the largest operating single-dish Imaging Air Cherenkov Telescope (IACT). It is located on the Canary Island La Palma, at an altitude of 2200m above sea level, as part of the Roque…

Astrophysics · Physics 2019-08-13 Hendrik Bartko

The effective observation time of Imaging Air Cherenkov Telescopes (IACTs) plays an important role in the detection of gamma-ray sources, especially when the expected flux is low. This time is strongly limited by the atmospheric conditions.…

Instrumentation and Methods for Astrophysics · Physics 2020-09-29 Dorota Sobczyńska , Katarzyna Adamczyk , Julian Sitarek , Michal Szanecki

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

Deep convolutional neural networks (DCNs) are a promising machine learning technique to reconstruct events recorded by imaging atmospheric Cherenkov telescopes (IACTs), but require optimization to reach full performance. One of the most…

Instrumentation and Methods for Astrophysics · Physics 2019-12-23 D. Nieto , A. Brill , Q. Feng , M. Jacquemont , B. Kim , T. Miener , T. Vuillaume

The identification of $\gamma$-rays from the predominant hadronic-background is a key aspect in their ground-based detection using Imaging Atmospheric Cherenkov Telescopes (IACTs). While current methods are limited in their ability to…

High Energy Astrophysical Phenomena · Physics 2025-10-08 Abhay Mehta , Dan Parsons , Tim Lukas Holch , David Berge , Matthias Weidlich

The Imaging Atmospheric Cherenkov Technique (IACT) is unusual in astronomy as the atmosphere actually forms an intrinsic part of the detector system, with telescopes indirectly detecting very high energy particles by the generation and…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 M. K. Daniel

MAGIC is a system of two Imaging Atmospheric Cherenkov Telescopes located on the Canary Island of La Palma and dedicated to the study of very high energy gamma rays above 30 GeV. MAGIC has recently demonstrated its capability as a neutrino…

High Energy Astrophysical Phenomena · Physics 2019-09-04 Manuela Mallamaci , Dariusz Gora , Elisa Bernardini

The stereoscopic reconstruction of air showers viewed by multiple imaging atmospheric Cherenkov telescopes (IACTs) allows a more precise reconstruction of shower energies and hence an improved determination of energy spectra. Reconstruction…

Astrophysics · Physics 2007-05-23 W. Hofmann

We present a high-performance event reconstruction algorithm: an Image Pixel-wise fit for Atmospheric Cherenkov Telescopes (ImPACT). The reconstruction algorithm is based around the likelihood fitting of camera pixel amplitudes to an…

Instrumentation and Methods for Astrophysics · Physics 2014-05-20 R. D. Parsons , J. A. Hinton

MAGIC is a system of two Imaging Atmospheric Cherenkov Telescopes located at the Canary Island of La Palma, designed to observe gamma rays with energies above 50 GeV. Recently it has undergone an upgrade of the camera, digital trigger and…

The Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) experiment is an array of two 17-meter telescopes located in the Canary Island of La Palma that observes the very-high energy (VHE) gamma-ray sky in stereoscopic mode since 2009.…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Ulisses Barres de Almeida

Imaging Atmospheric Cherenkov Telescopes (IACTs) are very-large telescopes designed to detect the nanosecond-timescale flashes produced within extended air showers. Because IACTs are sensitive to the Cherenkov light (UV/blue) and use…

Instrumentation and Methods for Astrophysics · Physics 2019-08-12 T. Hassan , M. K. Daniel

In order to better utilize the information contained in the shower images generated by imaging Cherenkov telescopes (IACTs) equipped with cameras with small pixels, images are fit to a parametrization of image shapes gained from Monte Carlo…

Astrophysics · Physics 2007-05-23 M. Ulrich , A. Daum , G. Hermann , W. Hofmann

Imaging Air Cherenkov Telescopes (IACTs) detect very high energetic (VHE) gamma rays. They observe the Cherenkov light emitted in electromagnetic shower cascades that gamma rays induce in the atmosphere. A precise reconstruction of the…

Instrumentation and Methods for Astrophysics · Physics 2023-05-01 Fabian Leuschner , Johannes Schäfer , Simon Steinmassl , Tim Lukas Holch , Konrad Bernlöhr , Stefan Funk , Jim Hinton , Stefan Ohm , Gerd Pühlhofer

The Imaging Air Cherenkov Telescopes (IACTs), like, HESS, MAGIC and VERITAS well demonstrated their performances by showing many exciting results at very high energy gamma ray domain, mainly between 100 GeV and 10 TeV. It is important to…

Instrumentation and Methods for Astrophysics · Physics 2009-06-26 M. Teshima , E. Carmona , P. Colin , P. Majumdar , T. Schweizer