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Related papers: A Run-Wise Simulation and Analysis Framework for I…

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The Cherenkov Telescope Array (CTA) observatory for very high-energy gamma rays will consist of about a hundred of imaging atmospheric Cherenkov telescopes (IACTs) of different size with a total reflective area of about 10,000 m$^2$. Here…

Instrumentation and Methods for Astrophysics · Physics 2015-09-07 Jerzy Michałowski , Michal Dyrda , Jacek Niemiec , Maciej Sowiński , Marek Stodulski

In recent years, imaging atmospheric Cherenkov telescopes (IACTs) have emerged as promising platforms for optical interferometry through the use of intensity interferometry. IACTs combine large segmented mirrors, photodetectors with…

Instrumentation and Methods for Astrophysics · Physics 2025-11-21 Juan Cortina , Alejo Cifuentes-Santos , Tarek Hassan , Fernando Frias

The imaging atmospheric Cherenkov technique provides potentially the highest angular resolution achievable in astronomy at energies above the X-ray waveband. High-resolution measurements provide the key to progress on many of the major…

High Energy Astrophysical Phenomena · Physics 2024-06-26 Georg Schwefer , Robert Parsons , Jim Hinton

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

We have conceived and implemented a multi-objective genetic algorithm (GA) code for the optimisation of an array of Imaging Atmospheric Cherenkov Telescopes (IACTs). The algorithm takes as input a series of cost functions (metrics) each…

Instrumentation and Methods for Astrophysics · Physics 2017-08-29 Bruno Fontes Souto , Ulisses Barres de Almeida , Ugo Giaccari

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

New deep learning techniques present promising new analysis methods for Imaging Atmospheric Cherenkov Telescopes (IACTs) such as the upcoming Cherenkov Telescope Array (CTA). In particular, the use of Convolutional Neural Networks (CNNs)…

Instrumentation and Methods for Astrophysics · Physics 2021-03-31 Samuel Spencer , Thomas Armstrong , Jason Watson , Salvatore Mangano , Yves Renier , Garret Cotter

Reconstruction of energies of very-high-energy gamma-rays observed by imaging atmospheric Cherenkov telescopes is affected by changes in the atmospheric conditions and the performance of telescope components. Reliable calibration schemes…

Instrumentation and Methods for Astrophysics · Physics 2019-09-24 Stanislav Stefanik , Dalibor Nosek

The Cherenkov Telescope Array is the future of ground-based gamma-ray astronomy. Its first prototype telescope built on-site, the Large Size Telescope 1, is currently under commissioning and taking its first scientific data. In this paper,…

Instrumentation and Methods for Astrophysics · Physics 2022-03-10 Mikaël Jacquemont , Thomas Vuillaume , Alexandre Benoit , Gilles Maurin , Patrick Lambert , Giovanni Lamanna

Understanding the sources, acceleration mechanisms, and propagation of cosmic rays is an active area of research in astro-particle physics. Measuring the spectrum and elemental composition of cosmic rays on earth can help solve this…

Instrumentation and Methods for Astrophysics · Physics 2015-08-20 Henrike Fleischhack

CTLearn is a new Python package under development that uses the deep learning technique to analyze data from imaging atmospheric Cherenkov telescope (IACT) arrays. IACTs use the Cherenkov light emitted from air showers, initiated by…

Instrumentation and Methods for Astrophysics · Physics 2019-12-23 D. Nieto , A. Brill , Q. Feng , T. B. Humensky , B. Kim , T. Miener , R. Mukherjee , J. Sevilla

In this poster contribution we highlight the equivalence between an Imaging Air Cherenkov Telescope (IACT) array and an Intensity Interferometer for a range of technical requirements. We touch on the differences between a Michelson and an…

Astrophysics · Physics 2009-11-13 W. J. de Wit , S. LeBohec , J. A. Hinton , R. J. White , M. K. Daniel , J. Holder

Context. The response of imaging atmospheric Cherenkov telescopes to incident {\gamma}-ray-initiated showers in the atmosphere changes as the telescopes age due to exposure to light and weather. These aging processes affect the…

Ground-based gamma-ray astronomy has had a major breakthrough with the impressive results obtained using systems of imaging atmospheric Cherenkov telescopes. Ground-based gamma-ray astronomy has a huge potential in astrophysics, particle…

Instrumentation and Methods for Astrophysics · Physics 2012-04-13 The CTA Consortium

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

The Cherenkov Telescope Array (CTA) will be an instrument covering a wide energy range in very-high-energy (VHE) gamma rays. CTA will include several types of telescopes, in order to optimize the performance over the whole energy range.…

Cherenkov Telescope Array (CTA) is an upcoming instrument that will start a new generation of atmospheric Cherenkov telescopes. CTA is expected not only to provide an unprecedented sensitivity in the tens of GeV to hundreds of TeV range,…

Instrumentation and Methods for Astrophysics · Physics 2019-07-11 Julian Sitarek , Dorota Sobczyńska , Katarzyna Adamczyk , Michał Szanecki

Atmospheric Cherenkov telescopes rely on the Earth's atmosphere as part of the detector. The presence of clouds affects observations and can introduce biases if not corrected for. Correction methods typically require an atmospheric profile,…

Instrumentation and Methods for Astrophysics · Physics 2024-04-03 Julian Sitarek , Mario Pecimotika , Natalia Żywucka , Dorota Sobczyńska , Abelardo Moralejo , Dario Hrupec

A long-held astronomical vision is to realize diffraction-limited optical aperture synthesis over kilometer baselines. This will enable imaging of stellar surfaces and their environments, show their evolution over time, and reveal…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Dainis Dravins , Tiphaine Lagadec

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
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