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Related papers: AGN Population Studies for CTA

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The discovery of gravitational waves, high-energy neutrinos or the very-high-energy counterpart of gamma-ray bursts has revolutionized the high-energy and transient astrophysics community. The development of new instruments and analysis…

High Energy Astrophysical Phenomena · Physics 2021-06-09 Ž. Bošnjak , A. M. Brown , A. Carosi , M. Chernyakova , P. Cristofari , F. Longo , A. López-Oramas , M. Santander , K. Satalecka , F. Schüssler , O. Sergijenko , A. Stamerra , I. Agudo , R. Alves Batista , E. Amato , E. O. Anguner , L. A. Antonelli , M. Backes , Csaba Balazs , L. Baroncelli , J. Becker Tjus , C. Bigongiari , E. Bissaldi , C. Boisson , J. Bolmont , M. Böttcher , P. Bordas , C. Braiding , J. Bregeon , N. Bucciantini , A. Bulgarelli , M. Burton , F. Cangemi , P. Caraveo , M. Cardillo , S. Caroff , S. Casanova , S. Chaty , J. G. Coelho , G. Cotter , A. D'Aì , F. D'Ammando , E. M. de Gouveia Dal Pino , D. della Volpe , D. de Martino , T. Di Girolamo , A. Di Piano , A. Djannati-Ataï , V. Dwarkadas , E. de Ona Wilhelmi , R. C. Dos Anjos , G. Emery , E. Fedorova , S. Fegan , A. Fiasson , V. Fioretti , M. D. Filipovic , D. Gaggero , G. Galanti , D. Gasparrini , G. Ghirlanda , P. Goldoni , J. Granot , J. G. Green , M. Heller , B. Hnatyk , R. Hnatyk , D. Horan , T. Hovatta , S. Inoue , M. Jamrozy , D. Kantzas , B. Khélifi , N. Komin , A. Lamastra , N. La Palombara , J. P. Lenain , E. Lindfors , I. Liodakis , S. Lombardi , F. Lucarelli , P. L. Luque-Escamilla , P. Majumdar , A. Marcowith , S. Markoff , J. Marti , M. Martinez , D. Mazin , S. McKeague , S. Mereghetti , E. Mestre , T. Montaruli , G. Morlino , A. Morselli , C. Mundell , T. Murach , L. Nava , A. Nayerhoda , L. Nicastro , J. Niemiec , M. Nikolajuk , B. Olmi , R. Ong , M. Orienti , J. P. Osborne , Josep M. Paredes , G. Pareschi , N. Parmiggiani , B. Patricelli , A. Pe'er , G. Piano , G. Pühlhofer , M. Punch , O. Reimer , M. Ribó , G. Rodriguez , J. Rodriguez , P. Romano , G. Romeo , M. Roncadelli , G. Rowell , B. Rudak , I. Sadeh , F. Salesa Greus , F. G. Saturni , U. Sawangwit , M. Seglar-Arroyo , R. C. Shellard , H. Sol , R. Starling , T. Stolarczyk , G. Tagliaferri , F. Tavecchio , L. Tibaldo , V. Testa , S. Vercellone , A. Viana , J. Vink , V. Vitale , S. D. Vergani , S. Vorobiov , A. Wierzcholska , L. Yang , D. Zavrtanik , V. Zhdanov

The Cherenkov Telescope Array (CTA) is the future ground-based observatory for gamma-ray astronomy at very high energies. The atmosphere is an integral part of every Cherenkov telescope. Different atmospheric conditions, such as clouds, can…

The extragalactic high-energy $\gamma$-ray sky is dominated by blazars, which are active galactic nuclei with their jets pointing towards us. Distance measurements are of fundamental importance yet for some of these sources are challenging…

High Energy Astrophysical Phenomena · Physics 2023-11-13 A. Domínguez , M. Láinez , V. S. Paliya , N. Álvarez-Crespo , M. Ajello , J. Finke , M. Nievas-Rosillo , J. L. Contreras , A. Desai

Very high energy (VHE, E >100 GeV) gamma-rays are absorbed via interaction with low-energy photons from the extragalactic background light (EBL) if the involved photon energies are above the threshold for electron-positron pair creation.…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 Daniel Mazin , Martin Raue , Bagmeet Behera , Susumu Inoue , Yoshiyuki Inoue , Takeshi Nakamori , Tomonori Totani

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…

Instrumentation and Methods for Astrophysics · Physics 2015-09-07 Markus Garczarczyk , Stefan Schlenstedt , Louise Oakes , Ullrich Schwanke , the MST Team

The Cherenkov Telescope Array (CTA) will be the first ground-based observatory for gamma-ray astronomy. With more than a hundred of 4th generation of Imaging Atmospheric Cherenkov Telescopes (IACTs) distributed in two large arrays, CTA will…

Instrumentation and Methods for Astrophysics · Physics 2019-09-05 Thomas Tavernier , Jean-François Glicenstein , François Brun

Cherenkov Telescope Array (CTA) is an upcoming instrument that will start a new generation of atmospheric Cherenkov telescopes. CTA is expected not only to provide an unprecedented sensitivity in the tens of GeV to hundreds of TeV range,…

Instrumentation and Methods for Astrophysics · Physics 2019-07-11 Julian Sitarek , Dorota Sobczyńska , Katarzyna Adamczyk , Michał Szanecki

Several observations are revealing the widespread occurrence of mildly relativistic wide-angle AGN winds strongly interacting with the gas of their host galaxy. Such winds are potential cosmic-ray accelerators, as supported by gamma-ray…

High Energy Astrophysical Phenomena · Physics 2019-04-18 Alessandra Lamastra , Fabrizio Tavecchio , Patrizia Romano , Marco Landoni , Stefano Vercellone

The Cherenkov Telescope Array Observatory (CTAO) is a next-generation facility for ground-based very high energy gamma ray astronomy. CTAO will be operated as an open observatory. With two sites, in the northern and southern hemispheres,…

Instrumentation and Methods for Astrophysics · Physics 2023-05-23 Werner Hofmann , Roberta Zanin

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

The Fermi Large Area Telescope (LAT) is currently the most important facility for investigating the GeV $\gamma$-ray sky. With Fermi LAT more than three thousand $\gamma$-ray sources have been discovered so far. 1144 ($\sim40\%$) of the…

High Energy Astrophysical Phenomena · Physics 2016-09-07 G. Chiaro , D. Salvetti , G. La Mura , M. Giroletti , D. J. Thompson , D. Bastieri

The signals that will be received on Earth from deep-space probes in future implementations of free-space optical communication will be extremely weak, and new ground stations will have to be developed in order to support these links. This…

Instrumentation and Methods for Astrophysics · Physics 2013-05-22 Alberto Carrasco-Casado , Mariafernanda Vilera , Ricardo Vergaz , Juan Francisco Cabrero

For the proposed Cherenkov Telescope Array (CTA), a post-calibration point-source location accuracy of 3 seconds of arc is aimed for under favorable observing conditions and for gamma-ray energies exceeding 100 GeV. In this contribution,…

Instrumentation and Methods for Astrophysics · Physics 2015-09-08 Stefan Eschbach , Alexander Ziegler , Christopher van Eldik , Johannes Veh , David Berge , Markus Gaug

The leading explanation of the $\textit{Fermi}$ Galactic center $\gamma$-ray excess is the extended emission from a unresolved population of millisecond pulsars (MSPs) in the Galactic bulge. Such a population would, along with the prompt…

High Energy Astrophysical Phenomena · Physics 2021-07-20 Oscar Macias , Harm van Leijen , Deheng Song , Shin'ichiro Ando , Shunsaku Horiuchi , Roland M. Crocker

The CTA is the next generation of ground based very high energy gamma ray Imaging Atmospheric Cherenkov Telescopes. Since observations with this technique are affected by atmospheric conditions, an accurate knowledge of the atmospheric…

The Cherenkov Telescope Array (CTA) is the next generation of ground-based very high energy gamma-ray instruments; the facility will be organized in two arrays, one for each hemisphere. The atmospheric calibration of the CTA telescopes is a…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Laura Valore , Carla Aramo , Michele Doro , Marco Iarlori , Vincenzo Rizi , Aurelio Siro Tonachini , Piero Vallania

The observation of the electromagnetic counterpart of gravitational-wave (GW) transient GW170817 demonstrated the potential in extracting astrophysical information from multimessenger discoveries. The forthcoming deployment of the first…

The first Gamma-Ray Burst (GRB) catalog presented by the Fermi-Large Area Telescope (LAT) collaboration includes 28 GRBs, detected above 100 MeV over the first three years since the launch of the Fermi mission. However, more than 100 GRBs…

High Energy Astrophysical Phenomena · Physics 2015-09-07 Elisabetta Bissaldi , Tristano Di Girolamo , Francesco Longo , Piero Vallania , Carlo Vigorito

The Cherenkov Telescope Array (CTA) is the future instrument in ground-based gamma-ray astronomy in the energy range from 20 GeV to 300 TeV. Its sensitivity will surpass that of current generation experiments by a factor $\sim$10,…

Instrumentation and Methods for Astrophysics · Physics 2017-08-09 A. Schulz , M. Garczarczyk , L. Oakes , S. Schlenstedt , U. Schwanke , the CTA Consortium

The Cherenkov Telescope Array (CTA) will be the next generation gamma-ray observatory and will be the major global instrument for very-high-energy astronomy over the next decade, offering 5 - 10 x better flux sensitivity than current…

Instrumentation and Methods for Astrophysics · Physics 2021-08-03 J. Aschersleben , R. F. Peletier , M. Vecchi , M. H. F. Wilkinson