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Related papers: Atmospheric considerations for the CTA site search

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We investigate the possibility of detection of the VHE gamma-ray counterparts to the neutrino astrophysical sources within the Neutrino Target of Opportunity (NToO) program of CTA using the populations simulated by the FIRESONG software to…

High Energy Astrophysical Phenomena · Physics 2021-08-12 O. Sergijenko , A. Brown , D. Fiorillo , A. Rosales de Leon , K. Satalecka , C. F. Tung , R. Reimann , T. Glauch , I. Taboada

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…

We conducted an 18 month long study of the weather conditions of the Vallecitos, a proposed site in Mexico to harbor the northern array of the Cherenkov Telescope Array (CTA). It is located in Sierra de San Pedro Martir (SPM) a few…

The atmosphere is an intrinsic part of any ground based Cherenkov gamma-ray telescope, and the telescope response is therefore sensitive to unpredictable changes in the atmospheric transparency which are difficult to measure and interpret…

Astrophysics · Physics 2009-11-07 S. LeBohec , J. Holder

Ground-based atmospheric Cherenkov telescopes are proven to be effective instruments for observations of very high energy (VHE) gamma-radiation from celestial objects. For effective use of such technique one needs detailed Monte Carlo…

Astrophysics · Physics 2009-10-31 A. Konopelko , A. Plyasheshnikov

Mechanics of the camera for the large size telescopes of CTA must protect and provide a stable environment for its instrumentation. This is achieved by a stiff support structure enclosed in an air and water tight volume. The structure is…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Carlos Delgado , Oscar Blanch , Carlos Diaz , Noemi Hamer , Ohoka Hideyuki , Razmik Mirzoyan , Masahiro Teshima , Holger Wetteskind , Tokonatsu Yamamoto

ALTA project has been active since 2016, providing, at LBT observatory site, forecasts of atmospheric parameters, such as temperature, wind speed and direction, relative humidity and precipitable water vapor, and optical turbulence…

Instrumentation and Methods for Astrophysics · Physics 2022-10-21 A. Turchi , E. Masciadri , C. Veillet

Two of the Key Science Projects of the Cherenkov Telescope Array (CTA) consist in performing a deep survey of the Galactic and Extragalactic sky, providing an unbiased view of the Universe at energies above tens of GeV. To optimize the time…

Instrumentation and Methods for Astrophysics · Physics 2019-07-19 A. Donini , T. Gasparetto , J. Bregeon , F. Di Pierro , F. Longo , G. Maier , A. Moralejo , T. Vuillaume

Among all the high-energy environments of our Galaxy, the Galactic Center (GC) region is definitely the richest. It harbors a large amount of non-thermal emitters, including the closest supermassive black hole, dense molecular clouds,…

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

Observations from multiple gamma-ray telescopes have uncovered a high energy gamma-ray source spatially coincident with the Galactic center. Recently, a compelling model for the broad-band gamma-ray emission has been formulated which posits…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Tim Linden , Stefano Profumo

In the last decades a vaste amount of evidence for the existence of dark matter has been accumulated. At the same time, many efforts have been undertaken to try to identify what dark matter is. Indirect searches look at places in the…

Instrumentation and Methods for Astrophysics · Physics 2018-01-22 A. Morselli

Sites for next-generation telescopes are chosen decades before the first light of a telescope. Site selection is usually based on recent measurements over a period that is too short to account for long-term changes in observing conditions…

Instrumentation and Methods for Astrophysics · Physics 2022-09-28 C. Haslebacher , M. -E. Demory , B. -O. Demory , M. Sarazin , P. L. Vidale

With its unprecedented light-collecting area for night-sky observations, the Cherenkov Telescope Array (CTA) holds great potential for also optical stellar astronomy, in particular as a multi-element intensity interferometer for realizing…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Dainis Dravins , Stephan LeBohec , Hannes Jensen , Paul D. Nuñez

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

We discuss the prospects for the detection of gamma-ray bursts (GRBs) by the Cherenkov Telescope Array (CTA), the next generation, ground-based facility of imaging atmospheric Cherenkov telescopes (IACTs) operating above a few tens of GeV.…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Jun Kakuwa , Kohta Murase , Kenji Toma , Susumu Inoue , Ryo Yamazaki , Kunihito Ioka

The Cherenkov Telescope Array (CTA) will have a unique chance of discovery for a large range of masses in Weakly Interacting Massive Particles models of dark matter. The principal target for dark matter searches with CTA is the centre of…

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

Pulsars are observed to emit bright and spatially extended emission at multi-TeV energies. Although such "TeV halos" appear to be an approximately universal feature of middle-aged pulsars, there remains much to be understood about these…

High Energy Astrophysical Phenomena · Physics 2023-12-19 Dan Hooper , Elena Pinetti , Anastasia Sokolenko

The Cherenkov Telescope Array (CTA) is the planned next-generation instrument for ground-based gamma-ray astronomy, currently under preparation by a world-wide consortium. The FlashCam group is preparing a photomultiplier-based camera for…

Instrumentation and Methods for Astrophysics · Physics 2017-08-09 F. Eisenkolb , S. Diebold , C. Kalkuhl , G. Pühlhofer , A. Santangelo , T. Schanz , C. Tenzer , the FlashCam team , the CTA consortium