English
Related papers

Related papers: Atmospheric considerations for CTA site search usi…

200 papers

Climate change is affecting and will increasingly affect astronomical observations. In this paper, we investigated the role some key weather parameters play in the quality of astronomical observations, and analysed their long-term trends…

Instrumentation and Methods for Astrophysics · Physics 2020-09-25 Faustine Cantalloube , Julien Milli , Christoph Böhm , Susanne Crewell , Julio Navarrete , Kira Rehfeld , Marc Sarazin , Anna Sommani

The planned Cherenkov Telescope Array (CTA) is a future observatory for very-high-energy (VHE) gamma-ray astronomy composed of one site per hemisphere. It aims at 10 times better sensitivity, a better angular resolution and wider energy…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Y. Becherini , B. Khélifi , S. Pita , M. Punch

We discuss the prospects for indirect detection of dark matter (DM) with the Cherenkov Telescope Array (CTA), a future ground-based gamma-ray observatory that will be sensitive to gamma rays in the energy range from a few tens of GeV to 100…

High Energy Astrophysical Phenomena · Physics 2013-09-24 Matthew Wood , Jim Buckley , Seth Digel , Stefan Funk , Daniel Nieto , Miguel A. Sanchez-Conde

The Cherenkov Telescope Array (CTA) is the next generation Cherenkov telescope facility. It will consist of a large number of segmented-mirror telescopes of three different diameters, placed in two locations, one in the northern and one in…

Instrumentation and Methods for Astrophysics · Physics 2015-08-26 J. Dick , A. Bonardi , S. Bressel , M. Capasso , S. Diebold , F. Eisenkolb , D. Gottschall , E. Kendziorra , G. Pühlhofer , S. Renner , A. Santangelo , T. Schanz , C. Tenzer

The Large High Altitude Air Shower Observatory project is proposed to study high energy gamma ray astronomy ( 40 GeV-1 PeV ) and cosmic ray physics ( 20 TeV-1 EeV ). The wide field of view Cherenkov telescope array, as a component of the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 L. L. Ma , Y. X. Bai , Z. Cao , M. J. Chen , L. H. Chen , S. Z. Chen , Y. Chen , K. Q. Ding , H. H. He , J. Liu , J. L. Liu , X. X. Li , X. H. Ma , X. D. Sheng , G. Xiao , M. Zha , S. S. Zhang , Y. Zhang , J. Zhao , B. Zhou

Cherenkov telescope experiments, such as H.E.S.S., have been very successful in astronomical observations in the very-high-energy (VHE; E $>$ 100 GeV) regime. As an integral part of the detector, such experiments use Earth's atmosphere as a…

Instrumentation and Methods for Astrophysics · Physics 2015-02-05 J. Hahn , R. de los Reyes , K. Bernlöhr , P. Krüger , Y. T. E. Lo , P. M. Chadwick , M. K. Daniel , C. Deil , H. Gast , K. Kosack , V. Marandon

The Cherenkov Telescope Array (CTA) is the next generation ground-based $\gamma$-ray observatory. It will provide an order of magnitude better sensitivity and an extended energy coverage, 20 GeV - 300 TeV, relative to current Imaging…

High Energy Astrophysical Phenomena · Physics 2018-01-22 T. Hassan , A. Domínguez , J. Lefaucheur , D. Mazin , S. Pita , A. Zech

The Cherenkov Telescope Array (CTA) project aims to build the largest ground-based gamma-ray observatory based on an array of Imaging Atmospheric Cherenkov Telescopes (IACTs). The CTA will implement a multi-level trigger system to…

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 Next-Generation Atmospheric Cherenkov Telescope Array (NG-ACTA) is proposed as a prospective infrastructure for very high energy (VHE) gamma-ray astronomy, consisting of a mixed-aperture array of 88 telescopes with a maximum array…

High Energy Astrophysical Phenomena · Physics 2026-03-23 Jiancheng Wang , Jirong Mao

The Cherenkov Telescope Array (CTA) is the next generation of Imaging Atmospheric Cherenkov Telescopes. It will reach a sensitivity and an energy resolution with no precendent in very high energy gamma-ray astronomy. In order to achieve…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 A. López-Oramas , O. Abril , O. Blanch Bigas , J. Boix , V. Da Deppo , M. Doro , L. Font , D. Garrido , M. Gaug , M. Martínez , G. Vasileiadis

Recent advances in unmanned aerial vehicle (UAV) technology have made UAVs an attractive possibility as an airborne calibration platform for astronomical facilities. This is especially true for arrays of telescopes spread over a large area…

Instrumentation and Methods for Astrophysics · Physics 2017-12-06 Anthony M. Brown

The Cherenkov Telescope Array (CTA) will be the largest ground-based observatory operating in the very-high-energy gamma-ray (20 GeV - 300 TeV) range. It will be based on more than one hundred telescopes, located at two sites (northern and…

Instrumentation and Methods for Astrophysics · Physics 2018-01-22 Maria Concetta Maccarone

Blazars are the most numerous type of observed high-energy gamma-ray emitters. However, their emission mechanisms and population properties are still not well-understood. Crucial to this understanding are their cosmological redshifts, which…

High Energy Astrophysical Phenomena · Physics 2023-03-24 Eli Kasai , Paolo Goldoni , Santiago Pita , Catherine Boisson , Michael Backes , Garret Cotter , Filippo D'Ammando , Brian van Soelen

The Cherenkov Telescope Array (CTA) is the next-generation ground-based observatory for very-high energy gamma-ray astronomy. CTA will have unparalleled sensitivity and angular resolution and will detect gamma-ray sources nearly 100 times…

Instrumentation and Methods for Astrophysics · Physics 2022-09-07 Leslie Taylor

We have searched for possible sites in Argentina for the installation of large air Cherenkov telescope arrays and water Cherenkov systems. At present seven candidates are identified at altitudes from 2500 to 4500 m. The highest sites are…

In this paper, we review the prospects for studies of active galactic nuclei (AGN) using the envisioned future Cherenkov Telescope Array (CTA). This review focuses on jetted AGN, which constitute the vast majority of AGN detected at…

High Energy Astrophysical Phenomena · Physics 2012-08-30 A. Reimer , M. Boettcher

The high energy end of gamma-ray source spectra might provide important clues regarding the nature of the processes involved in gamma-ray emission. Several galactic sources with hard emission spectra extending up to more than 30TeV have…

Astrophysics · Physics 2008-11-26 Pierre Colin , Stephan LeBohec , Jamie Holder

GAW (Gamma Air Watch) is a pathfinder experiment in the TeV range to test the feasibility of a new generation of Imaging Atmospheric Cherenkov Telescopes (IACT). It combines high flux sensitivity with large field-of-view (FoV=24deg x 24deg)…

High Energy Astrophysical Phenomena · Physics 2010-06-14 Luisa Arruda , GAW collaboration

At present the ground-based Very High Energy (VHE) gamma-ray astronomy is racing to complete construction of a number of modern gamma-ray detectors, i.e. CANGAROO III, MAGIC, H.E.S.S., and VERITAS. They should be fully operational in a…

Astrophysics · Physics 2009-11-10 A. Konopelko
‹ Prev 1 8 9 10 Next ›