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GAW (Gamma Air Watch) is a new imaging Cherenkov telescope designed for observation of very high-energy gamma-ray sources. GAW will be equipped with a 3 meter diameter Fresnel lens as light collector and with an array of 300 multi-anode…

Radio interferometry enables high-resolution imaging of astronomical radio sources by synthesizing a large effective aperture from an array of antennas and solving a deconvolution problem to reconstruct the image. Deep learning has emerged…

天体物理仪器与方法 · 物理学 2026-03-11 Zihui Wu , Liam Connor , Samuel McCarty , Katherine L. Bouman

We present a design for a wide-field spectroscopic telescope. The only large powered mirror is spherical, the resulting spherical aberration is corrected for each target separately, giving exceptional image quality. The telescope is a…

天体物理仪器与方法 · 物理学 2024-09-11 Will Saunders , Timothy Chin , Michael Goodwin

The Cherenkov Telescope Array (CTA), is an international project for the next generation ground- based observatory for gamma-ray astronomy in the energy range from 20 GeV to 300 TeV. The sensitivity in the core energy range will be…

天体物理仪器与方法 · 物理学 2015-09-07 Markus Garczarczyk , Stefan Schlenstedt , Louise Oakes , Ullrich Schwanke , the MST Team

A wide field-of-view Cherenkov telescope has been working in the surroundings of the Yakutsk array experiment since 2012. Its main function is to measure the waveform of the Cherenkov radiation signal induced by extensive air showers of…

天体物理仪器与方法 · 物理学 2022-03-01 A. A. Ivanov , S. V. Matarkin , L. V. Timofeev

Observations with the Cherenkov telescopes are in principle limited to the clear sky conditions due to significant absorption of Cherenkov light by clouds. If the cloud level is high enough or the atmospheric transmission of the cloud is…

天体物理仪器与方法 · 物理学 2015-06-23 Dorota Sobczynska , Wlodek Bednarek

Atmospheric density profiles as well as several light absorption and scattering processes depend on geographic position and are generally time-variable. Their impact on the atmospheric Cherenkov technique in general (imaging or non-imaging)…

天体物理学 · 物理学 2008-11-26 Konrad Bernloehr

The amount of scientific data to be transmitted from deep-space probes is very limited due to RF-communications constraints. Free-space optical communication can alleviate this bottleneck, increasing data rate while reducing weight, mass…

天体物理仪器与方法 · 物理学 2015-12-02 Alberto Carrasco-Casado , Jose Manuel Sanchez-Pena , Ricardo Vergaz

We present a new approach to the pointing determination of Imaging Atmospheric Cherenkov Telescopes (IACTs). This method is universal and can be applied to any IACT with minor modifications. It uses the trajectories of the stars in the…

天体物理仪器与方法 · 物理学 2023-10-09 Mykhailo Dalchenko , Matthieu Heller

The gamma/hadron separation in the imaging air Cherenkov telescope technique is based on differences between images of a hadronic shower and a gamma induced electromagnetic cascade. One may expect for a large telescope that a detection of…

天体物理学 · 物理学 2008-11-26 Dorota Sobczynska

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…

天体物理仪器与方法 · 物理学 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

Cherenkov radiation provides a valuable way to identify high energy particles in a wide momentum range, through the relation between the particle velocity and the Cherenkov angle. However, since the Cherenkov angle depends only on…

The next generation of IACT (Imaging Atmospheric Cherenkov Telescope) will explore the uppermost end of the VHE (Very High Energy) domain up to about few hundreds of TeV with unprecedented sensibility, angular resolution and imaging…

Cherenkov detectors have been extensively developed and utilized in various scientific fields, including particle physics, astrophysics, and nuclear engineering. These detectors operate based on Cherenkov radiation, which is emitted when a…

仪器与探测器 · 物理学 2025-06-30 Anzori Sh. Georgadze

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…

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

We present a new paradigm for the simulation of arrays of Imaging Atmospheric Cherenkov Telescopes (IACTs) which overcomes limitations of current approaches. Up to now, all major IACT experiments rely on the same Monte-Carlo simulation…

高能天体物理现象 · 物理学 2017-11-06 M. Holler , J. Chevalier , J. -P. Lenain , M. de Naurois , D. Sanchez

IceAct is an array of imaging air Cherenkov telescopes located at the ice surface above the IceCube Neutrino Observatory. Each telescope features a silicon photomultiplier based 61 pixel camera and a Fresnel-lens as imaging optic, resulting…

天体物理仪器与方法 · 物理学 2025-09-15 Arun Vaidyanathan , Lars Heuermann

A new SPHERE seires complex extensive air showers detector is under development. The main goal of its mission is to study the mass composition of cosmic ray nuclei in the 1-100 PeV energy range at a new level. The already well-established…

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