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Related papers: Surveys with the Cherenkov Telescope Array

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At very high energies (VHE), the emission of $\gamma$ rays is dominated by discrete sources. Due to the limited resolution and sensitivity of current-generation instruments, only a small fraction of the total Galactic population of VHE…

High Energy Astrophysical Phenomena · Physics 2021-10-19 Constantin Steppa , Kathrin Egberts

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

Large Array of imaging atmospheric Cherenkov Telescope (LACT) is an array of 32 Cherenkov telescopes with 6-meter diameter mirrors to be constructed at the LHAASO site. In this work, we present a study on the layout optimization and…

High Energy Astrophysical Phenomena · Physics 2024-09-24 Zhipeng Zhang , Ruizhi Yang , ShouShan Zhang , Zhen Xie , Jiali Liu , LiQiao Yin , YuDong Wang , Lingling Ma , Zhen Cao

Since 2009, several rapid and bright flares have been observed at high energies (>100 MeV) from the direction of the Crab Nebula. Several hypotheses have been put forward to explain this phenomenon, but the origin is still unclear. The…

High Energy Astrophysical Phenomena · Physics 2022-10-11 Enrique Mestre , Emma de Ona Wilhelmi , Dmitry Khangulyan , Roberta Zanin , Fabio Acero , Diego F. Torres

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.…

One of the central scientific goals of the next-generation Cherenkov Telescope Array (CTA) is the detection and characterization of gamma-ray bursts (GRBs). CTA will be sensitive to gamma rays with energies from about 20 GeV, up to a few…

VERITAS is an array of four imaging atmospheric Cherenkov telescopes that observes gamma-ray sources in the very high energy range (VHE, E>100 GeV). A large fraction of the known gamma-ray sources are of extragalactic origin and belong to…

High Energy Astrophysical Phenomena · Physics 2019-08-13 M. Errando

The Chandra Multiwavength Plane (ChaMPlane) Survey of the galactic plane incorporates serendipitous sources from selected Chandra pointings in or near the galactic plane (b < 12deg; >20 ksec; lack of bright diffuse or point sources) to…

We report on a measurement of the cosmic ray energy spectrum by the Telescope Array Low-Energy Extension (TALE) air fluorescence detector. The TALE air fluorescence detector is also sensitive to the Cherenkov light produced by shower…

High Energy Astrophysical Phenomena · Physics 2020-12-22 R. U. Abbasi , M. Abe , T. Abu-Zayyad , M. Allen , R. Azuma , E. Barcikowski , J. W. Belz , D. R. Bergman , S. A. Blake , R. Cady , B. G. Cheon , J. Chiba , M. Chikawa , A. Di Matteo , T. Fujii , K. Fujita , M. Fukushima , G. Furlich , T. Goto , W. Hanlon , M. Hayashi , Y. Hayashi , N. Hayashida , K. Hibino , K. Honda , D. Ikeda , N. Inoue , T. Ishii , R. Ishimori , H. Ito , D. Ivanov , H. M. Jeong , S. M. Jeong , C. C. H. Jui , K. Kadota , F. Kakimoto , O. Kalashev , K. Kasahara , H. Kawai , S. Kawakami , S. Kawana , K. Kawata , E. Kido , H. B. Kim , J. H. Kim , J. H. Kim , S. Kishigami , S. Kitamura , Y. Kitamura , V. Kuzmin , M. Kuznetsov , Y. J. Kwon , K. H. Lee , B. Lubsandorzhiev , J. P. Lundquist , K. Machida , K. Martens , T. Matsuyama , J. N. Matthews , R. Mayta , M. Minamino , K. Mukai , I. Myers , K. Nagasawa , S. Nagataki , R. Nakamura , T. Nakamura , T. Nonaka , A. Nozato , H. Oda , S. Ogio , J. Ogura , M. Ohnishi , H. Ohoka , T. Okuda , Y. Omura , M. Ono , R. Onogi , A. Oshima , S. Ozawa , I. H. Park , M. S. Pshirkov , D. C. Rodriguez , G. Rubtsov , D. Ryu , H. Sagawa , R. Sahara , K. Saito , Y. Saito , N. Sakaki , N. Sakurai , L. M. Scott , T. Seki , K. Sekino , P. D. Shah , F. Shibata , T. Shibata , H. Shimodaira , B. K. Shin , H. S. Shin , J. D. Smith , P. Sokolsky , B. T. Stokes , S. R. Stratton , T. A. Stroman , T. Suzawa , Y. Takagi , Y. Takahashi , M. Takamura , M. Takeda , R. Takeishi , A. Taketa , M. Takita , Y. Tameda , H. Tanaka , K. Tanaka , M. Tanaka , S. B. Thomas , G. B. Thomson , P. Tinyakov , I. Tkachev , H. Tokuno , T. Tomida , S. Troitsky , Y. Tsunesada , K. Tsutsumi , Y. Uchihori , S. Udo , F. Urban , T. Wong , M. Yamamoto , R. Yamane , H. Yamaoka , K. Yamazaki , J. Yang , K. Yashiro , Y. Yoneda , S. Yoshida , H. Yoshii , Y. Zhezher , Z. Zundel

Recent data from the \emph{Fermi} Large Area Telescope have revealed about a dozen distant hard-spectrum blazars that have very-high-energy (VHE; $\gtrsim 100$ GeV) photons associated with them, but most of them have not yet been detected…

High Energy Astrophysical Phenomena · Physics 2013-06-28 Hajime Takami , Kohta Murase , Charles D. Dermer

This White Paper proposes a unique milli-Jansky sensitive arcsecond resolution VLA 15 GHz (Ku band) continuum polarization imaging survey of the Galactic plane using C array configuration. The science driver is to fill the gap between…

Instrumentation and Methods for Astrophysics · Physics 2013-12-25 Lorant O. Sjouwerman , Elisabeth A. C. Mills

The atmospheric monitoring devices for the planned calibration system of the Cherenkov Telescope Array (CTA) are undergoing intensive development, prototyping and testing. The All-Sky Cameras, the Sun/Moon Photometers and the FRAM…

The Cherenkov Telescope Array (CTA) is the next generation of Imaging Atmospheric Cherenkov Telescopes. It would reach unprecedented sensitivity and energy resolution in very-high-energy gamma-ray astronomy. In order to reach these goals,…

Instrumentation and Methods for Astrophysics · Physics 2019-08-15 M. Doro , M. Gaug , J. Pallotta , G. Vasileiadis , O. Blanch , F. Chouza , R. D'Elia , A. Etchegoyen , Ll. Font , D. Garrido , F. Gonzales , A. López-Oramas , M. Martínez , L. Otero , E. Quel , P. Ristori

Detection of delayed sub-TeV photons from Gamma-Ray Bursts (GRBs) by MAGIC and HESS has proven the promising future of GRB afterglow studies with the Cherenkov Telescope Array (CTA), the next-generation gamma-ray observatory. With the…

High Energy Astrophysical Phenomena · Physics 2023-05-22 Tanima Mondal , Suman Pramanick , Lekshmi Resmi , Debanjan Bose

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

Blazars and in particular the subclass of high synchrotron peaked Active Galactic Nuclei are among the main targets for the present generation of Imaging Atmospheric Cherenkov Telescopes (IACTs) and will remain of great importance for very…

High Energy Astrophysical Phenomena · Physics 2020-01-08 G. Chiaro , M. Meyer , M. Di Mauro , D. Salvetti , G. La Mura , D. J. Thompson

The assumption of Lorentz invariance is one of the founding principles of modern physics and violation of that would have deep consequences to our understanding of the universe. Potential signatures of such a violation could range from…

High Energy Astrophysical Phenomena · Physics 2019-08-14 M. K. Daniel , D. Emmanoulopoulos , M. Fairbairn , N. Otte

Many models of dark matter (DM) are now widely considered and probed intensively with accelerators, underground detectors, and astrophysical experiments. Among the various approaches, high-energy astrophysical observations are extremely…

High Energy Astrophysical Phenomena · Physics 2023-10-04 Nagisa Hiroshima

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 sensitivity of imaging atmospheric Cherenkov telescopes (IACTs) in TeV gamma-ray observations reachs its maximum at small zenith angles (< 30 degree) which provide the minimum attainable energy threshold of an instrument. However, for a…

Astrophysics · Physics 2008-11-26 A. Konopelko , F. Aharonian , M. Hemberger , W. Hofmann , J. Kettler , G. Puehlhofer , H. J. Voelk
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