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The Large-Sized Telescopes (LSTs) of the Cherenkov Telescope Array Observatory (CTAO) will play a crucial role in the study of transient gamma-ray sources, such as gamma-ray bursts and flaring active galactic nuclei. The low energy…

Instrumentation and Methods for Astrophysics · Physics 2023-09-22 Sami Caroff , Pierre Aubert , Enrique Garcia , Gilles Maurin , Vincent Pollet , Thomas Vuillaume

Astrophysical images in the GeV band are challenging to analyze due to the strong contribution of the background and foreground astrophysical diffuse emission and relatively broad point spread function of modern space-based instruments. In…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Mariia Drozdova , Anton Broilovskiy , Andrey Ustyuzhanin , Denys Malyshev

The Cherenkov Telescope Array (CTA) is a planned observatory for very-high energy gamma-ray astronomy. It will consist of several tens of telescopes of different sizes, with a total mirror area of up to 10,000 square meters. Most mirrors of…

The Cherenkov Telescope Array (CTA) is a project for the construction of a next generation VHE gamma ray observatory with full sky coverage. Its aim is improving by about one order of magnitude the sensitivity of the existing installations,…

Instrumentation and Methods for Astrophysics · Physics 2011-11-10 The CTA Consortium

The Cherenkov Telescope Array (CTA) is a large collaborative effort aimed at the design and operation of an observatory dedicated to the VHE gamma-ray astrophysics in the energy range 30 GeV-100 TeV, which will improve by about one order of…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Stefano Vercellone

The Cherenkov Telescope Array (CTA) is an initiative to build the next generation, ground-based gamma-ray observatories. We present a prototype workspace developed at INAF that aims at providing innovative solutions for the CTA community.…

Instrumentation and Methods for Astrophysics · Physics 2016-04-01 Alessandro Costa , Eva Sciacca , Ugo Becciani , Piero Massimino , Simone Riggi , David Sanchez , Fabio Vitello

The Imaging Atmospheric Cherenkov technique allows to detect very high energy gamma rays from few tens of GeV to hundreds of TeV using ground-based instrumentation. At these energies a gamma ray generates a shower of secondary particles…

Instrumentation and Methods for Astrophysics · Physics 2023-06-13 Juan Cortina , Carlos Delgado

The ability to discover new transients via image differencing without direct human intervention is an important task in observational astronomy. For these kind of image classification problems, machine Learning techniques such as…

Instrumentation and Methods for Astrophysics · Physics 2022-09-09 Venkitesh Ayyar , Robert Knop , Autumn Awbrey , Alexis Andersen , Peter Nugent

While current atmospheric Cherenkov installations consist of only a few telescopes each, future installations will be far more complex. Monte Carlo simulations have become an essential tool for the design and optimisation of such…

Astrophysics · Physics 2009-11-13 Konrad Bernloehr

The Cherenkov Telescope Array (CTA) will be the largest cosmic gamma ray detector ever built in the world. It will be installed at two different sites in the North and South hemispheres and should be operational for about 30 years. In order…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 F. Hénault , P. O. Petrucci , L. jocou , B. Khélifi , P. Manigot , S. Hormigos , J. Knodlseder , J. F. Olive , P. Jean , M. Punch

Deep learning algorithms offer a powerful means to automatically analyze the content of medical images. However, many biological samples of interest are primarily transparent to visible light and contain features that are difficult to…

Computer Vision and Pattern Recognition · Computer Science 2017-09-22 Roarke Horstmeyer , Richard Y. Chen , Barbara Kappes , Benjamin Judkewitz

The upcoming Cherenkov Telescope Array (CTA) ground-based gamma-ray observatory will open up our view of the very high energy Universe, offering an improvement in sensitivity of 5-10 times that of previous experiments. NectarCAM is one of…

Instrumentation and Methods for Astrophysics · Physics 2021-08-03 Thomas Armstrong , Heide Costantini , Jean-François Glicenstein , Jean-Philippe Lenain , Ullrich Schwanke , Thomas Tavernier

The new generation research experiments will introduce huge data surge to a continuously increasing data production by current experiments. This data surge necessitates efficient compression techniques. These compression techniques must…

Numerical Analysis · Computer Science 2018-05-07 Pierre Aubert , Thomas Vuillaume , Gilles Maurin , Jean Jacquemier , Giovanni Lamanna , Nahid Emad

The Cherenkov Telescope Array is expected to lead to the detection of many new supernova remnants in the TeV and multi-TeV range. In addition to the individual study of each SNR, the study of these objects as a population can help…

High Energy Astrophysical Phenomena · Physics 2018-01-22 P. Cristofari , R. Zanin , S. Gabici , B. T. Humensky , M. Santander , R. Terrier

The Cherenkov Telescope Array will provide the deepest survey of the Galactic Plane performed at very-high-energy gamma-rays. Consequently, this survey will unavoidably face the challenge of source confusion, i.e., the non-unique…

High Energy Astrophysical Phenomena · Physics 2022-10-11 Enrique Mestre , Diego F. Torres , Emma de Oña Wilhelmi , Josep Martí

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 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

Context. The presence of clouds during observations with Imaging Atmospheric Cherenkov Telescopes can strongly affect the performance of the instrument due to additional absorption of light and scattering of light beyond the field of view…

Instrumentation and Methods for Astrophysics · Physics 2024-05-22 Natalia Żywucka , Julian Sitarek , Dorota Sobczyńska , Mario Pecimotika , Dario Hrupec , Dijana Dominis Prester , Lovro Pavletić , Saša Mićanović

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 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…

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