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Optical designs are presented for the Maunakea Spectroscopic Explorer (MSE) telescope. The adopted baseline design is a prime focus telescope with a segmented primary of 11.25m aperture, with speed f/1.93 and 1.52deg field-of-view,…

天体物理仪器与方法 · 物理学 2016-11-23 Will Saunders , Peter Gillingham

Imaging Atmospheric Cherenkov Telescopes for very-high energy gamma-ray astronomy need mirror with high reflectance roughly in the wavelength between 300 and 550 nm. The current standard reflective layer of such mirrors is aluminum. Being…

天体物理仪器与方法 · 物理学 2019-08-16 A. Förster , T. Arrmstrong , P. Chadwick , M. Held

Photosensitive gaseous detectors with a simple photoelectron multiplication mechanism as resistive plate chambers are expected to offer both large photo coverage and excellent time resolution while keeping costs low. We have developed a…

仪器与探测器 · 物理学 2025-02-25 R. Okubo , K. Matsuoka , T. Iijima , K. Inami , Y. Horii , K. Suzuki , K. Sumi , T. Ichikawa , K. Ueda , S. Koji , A. Kondo , K. Chiba

The pointing system of the prototype of the Large Size Telescope (LST-1) for the Cherenkov Telescope Array observatory, should ensure mapping of the gamma-ray image of a point-like source in the Cherenkov camera to the sky coordinates with…

天体物理仪器与方法 · 物理学 2019-08-06 Darko Zarić , Stefan Cikota , Armand Fiasson , Nikola Godinović , Koji Noda , Robert Wagner , Martin Will , Quentin Piel

The next-generation ground-based gamma-ray Cherenkov Telescope Array Observatory (CTAO) will consist of imaging atmospheric Cherenkov telescopes (IACTs) of three different sizes distributed in two sites. The Large-Sized Telescopes will…

高能天体物理现象 · 物理学 2023-09-21 Daniel Morcuende , Rubén López-Coto , Abelardo Moralejo , Seiya Nozaki , Thomas Vuillaume

Ground-level particle detection is now a well-established approach to TeV gamma-ray astronomy. Detection of Cherenkov light produced in water-filled detection units is a proven and cost-effective method. Here we discuss the optimization of…

天体物理仪器与方法 · 物理学 2023-03-22 Samridha Kunwar , Hazal Goksu , Jim Hinton , Harm Schoorlemmer , Andrew Smith , Werner Hofmann , Felix Werner

The Cherenkov Telescope Array will provide unprecedented sensitivity and angular resolution to gamma rays across orders of magnitude in energy. Above 1 TeV up to around 300 TeV an array of Small-Sized Telescopes (SSTs) will cover several…

天体物理仪器与方法 · 物理学 2018-01-17 Richard White

Next-generation air-shower detectors, such as the Global Cosmic Ray Observatory (GCOS) and the Probing Extreme PeVatron Sources (PEPS) experiment, are considering water-Cherenkov detectors as a base design. A key factor in improving the…

高能天体物理现象 · 物理学 2025-08-27 Pierre Billoir , Benjamin Flaggs , Ioana C. Mariş , Andrea Parenti

We propose a dedicated analysis approach for indirect Dark Matter searches with Imaging Air Cherenkov Telescopes. By using the full likelihood analysis, we take complete advantage of the distinct features expected in the gamma ray spectrum…

高能天体物理现象 · 物理学 2012-10-19 Jelena Aleksic , Javier Rico , Manel Martinez

The Cherenkov Telescope Array (CTA) is an international project for a next-generation ground-based gamma ray observatory, aiming to improve on the sensitivity of current-generation experiments by an order of magnitude and provide energy…

天体物理仪器与方法 · 物理学 2017-09-20 D. Nieto , T. B. Humensky , P. Kaaret , D. Kieda , M. Limon , A. Petrashyk , D. Ribeiro , J. Rousselle , B. Stevenson , V. Vassiliev , P. Wilcox

We present a new method of image cleaning for imaging atmospheric Cherenkov telescopes. The method is based on the utilization of wavelets to identify noise pixels in images of gamma-ray and hadronic induced air showers. This method selects…

天体物理学 · 物理学 2009-11-07 R. W. Lessard , L. Cayón , G. H. Sembroski , J. A. Gaidos

The last 20 years have seen the development of new techniques in Astroparticle Physics providing access to the highest end of the electromagnetic spectrum. It has been shown that some sources emit photons up to energies close to 100 TeV.…

高能天体物理现象 · 物理学 2015-08-04 J. L. Contreras , J. Rosado , F. Arqueros , M. López , J. A. Barrio , M. Nievas

In the last ten years, the field of Cherenkov astronomy has become an important contributor to high energy astrophysics with the detection of eight objects at energies above 300 GeV. These observations have advanced our understanding of…

天体物理学 · 物理学 2007-05-23 Michael Catanese

We present analysis techniques to improve the energy resolution of stereoscopic systems of imaging atmospheric Cherenkov telescopes, using the HEGRA telescope system as an example. The techniques include (i) the determination of the height…

天体物理学 · 物理学 2011-05-23 W. Hofmann , H. Lampeitl , A. Konopelko , H. Krawczynski

As the amount of information to be transmitted from deep-space rapidly increases, the radiofrequency technology has become a bottleneck in space communications. RF is already limiting the scientific outcome of deep-space missions and could…

天体物理仪器与方法 · 物理学 2016-04-28 Alberto Carrasco-Casado , Jose Manuel Sanchez-Pena , Ricardo Vergaz

The exciting results from H.E.S.S. point to a new population of gamma-ray sources at energies E > 10 TeV, paving the way for future studies and new discoveries in the multi-TeV energy range. Connected with these energies is the search for…

天体物理学 · 物理学 2007-10-11 G. Rowell , V. Stamatescu , R. Clay , B. Dawson , J. Denman , R. Protheroe , A. G. K. Smith , G. Thornton , N. Wild

The Cherenkov Telescope Array (CTA) is a future instrument for very-high-energy (VHE) gamma-ray astronomy that is expected to deliver an order of magnitude improvement in sensitivity over existing instruments. In order to meet the physics…

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…

天体物理仪器与方法 · 物理学 2014-05-20 R. D. Parsons , J. A. Hinton

In the framework of the development of the SWGO experiment we have performed a detailed study of the single unit of an extensive air shower observatory based on an array of water Cherenkov detectors. Indeed, one of the possible water…

天体物理仪器与方法 · 物理学 2022-05-05 Francesca Bisconti , Andrea Chiavassa

Astrophysical Very-High-Energy (VHE, >10PeV) neutrinos deliver crucial information about the sources of Ultra-High-Energy Cosmic Rays (UHECRs), the composition of UHECRs, and neutrino/particle physics at highest energies. UHE-tau neutrinos…

天体物理仪器与方法 · 物理学 2023-08-31 Eliza Gazda