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In gamma-ray astronomy, a variety of data formats and proprietary software have been traditionally used, often developed for one specific mission or experiment. Especially for ground-based imaging atmospheric Cherenkov telescopes (IACTs),…

The Cherenkov Telescope Array (CTA) is the next generation very high-energy gamma-ray observatory, with at least 10 times higher sensitivity than current instruments. CTA will comprise several tens of Imaging Atmospheric Cherenkov…

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…

Instrumentation and Methods for Astrophysics · Physics 2023-10-09 Mykhailo Dalchenko , Matthieu Heller

Automated searches for strong gravitational lensing in optical imaging survey datasets often employ machine learning and deep learning approaches. These techniques require more example systems to train the algorithms than have presently…

Instrumentation and Methods for Astrophysics · Physics 2021-02-08 Robert Morgan , Brian Nord , Simon Birrer , Joshua Yao-Yu Lin , Jason Poh

The Cherenkov Telescope Array (CTA) \cite{CTA:2010} will be the successor to current Imaging Atmospheric Cherenkov Telescopes (IACT) like H.E.S.S., MAGIC and VERITAS. CTA will improve in sensitivity by about an order of magnitude compared…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 E. Birsin , J. Colomé , D. Hoffmann , H. Koeppel , G. Lamanna , T. Le Flour , A. Lopatin , E. Lyard , D. Melkumyan , I. Oya , J-L. Panazol , S. Schlenstedt , T. Schmidt , U. Schwanke , R. Walter , P. Wegner

The Cherenkov Telescope Array (CTA), the new-generation ground-based observatory for $\gamma$-ray astronomy, provides unique capabilities to address significant open questions in astrophysics, cosmology, and fundamental physics. We study…

High Energy Astrophysical Phenomena · Physics 2021-03-01 The Cherenkov Telescope Array Consortium , : , H. Abdalla , H. Abe , F. Acero , A. Acharyya , R. Adam , I. Agudo , A. Aguirre-Santaella , R. Alfaro , J. Alfaro , C. Alispach , R. Aloisio , R. Alves B , L. Amati , E. Amato , G. Ambrosi , E. O. Angüner , A. Araudo , T. Armstrong , F. Arqueros , L. Arrabito , K. Asano , Y. Ascasíbar , M. Ashley , M. Backes , C. Balazs , M. Balbo , B. Balmaverde , A. Baquero Larriva , V. Barbosa Martins , M. Barkov , L. Baroncelli , U. Barres de Almeida , J. A. Barrio , P. Batista , J. Becerra , Y. Becherini , G. Beck , J. Becker Tjus , R. Belmont , W. Benbow , E. Bernardini , A. Berti , M. Berton , B. Bertucci , V. Beshley , B. Bi , B. Biasuzzi , A. Biland , E. Bissaldi , J. Biteau , O. Blanch , F. Bocchino , C. Boisson , J. Bolmont , G. Bonanno , L. Bonneau Arbeletche , G. Bonnoli , P. Bordas , E. Bottacini , M. Böttcher , V. Bozhilov , J. Bregeon , A. Brill , A. M. Brown , P. Bruno , A. Bruno , A. Bulgarelli , M. Burton , M. Buscemi , A. Caccianiga , R. Cameron , M. Capasso , M. Caprai , A. Caproni , R. Capuzzo-Dolcetta , P. Caraveo , R. Carosi , A. Carosi , S. Casanova , E. Cascone , D. Cauz , K. Cerny , M. Cerruti , P. Chadwick , S. Chaty , A. Chen , M. Chernyakova , G. Chiaro , A. Chiavassa , L. Chytka , V. Conforti , F. Conte , J. L. Contreras , J. Coronado-Blazquez , J. Cortina , A. Costa , H. Costantini , S. Covino , P. Cristofari , O. Cuevas , F. D'Ammando , M. K. Daniel , J. Davies , F. Dazzi , A. De Angelis , M. de Bony de Lavergne , V. De Caprio , R. de Cássia dos Anjos , E. M. de Gouveia Dal Pino , B. De Lotto , D. De Martino , M. de Naurois , E. de Oña Wilhelmi , F. De Palma , V. de Souza , C. Delgado , R. Della Ceca , D. della Volpe , D. Depaoli , T. Di Girolamo , F. Di Pierro , C. Díaz , C. Díaz-Bahamondes , S. Diebold , A. Djannati-Ataï , A. Dmytriiev , A. Domínguez , A. Donini , D. Dorner , M. Doro , J. Dournaux , V. V. Dwarkadas , J. Ebr , C. Eckner , S. Einecke , T. R. N. Ekoume , D. Elsässer , G. Emery , C. Evoli , M. Fairbairn , D. Falceta-Goncalves , S. Fegan , Q. Feng , G. Ferrand , E. Fiandrini , A. Fiasson , V. Fioretti , L. Foffano , M. V. Fonseca , L. Font , G. Fontaine , F. J. Franco , L. Freixas Coromina , S. Fukami , Y. Fukazawa , Y. Fukui , D. Gaggero , G. Galanti , V. Gammaldi , E. Garcia , M. Garczarczyk , D. Gascon , M. Gaug , A. Gent , A. Ghalumyan , G. Ghirlanda , F. Gianotti , M. Giarrusso , G. Giavitto , N. Giglietto , F. Giordano , J. Glicenstein , P. Goldoni , J. M. González , K. Gourgouliatos , T. Grabarczyk , P. Grandi , J. Granot , D. Grasso , J. Green , J. Grube , O. Gueta , S. Gunji , A. Halim , M. Harvey , T. Hassan Collado , K. Hayashi , M. Heller , S. Hernández Cadena , O. Hervet , J. Hinton , N. Hiroshima , B. Hnatyk , R. Hnatyk , D. Hoffmann , W. Hofmann , J. Holder , D. Horan , J. Hörandel , P. Horvath , T. Hovatta , M. Hrabovsky , D. Hrupec , G. Hughes , M. Hütten , M. Iarlori , T. Inada , S. Inoue , A. Insolia , M. Ionica , M. Iori , M. Jacquemont , M. Jamrozy , P. Janecek , I. Jiménez Martínez , W. Jin , I. Jung-Richardt , J. Jurysek , P. Kaaret , V. Karas , S. Karkar , N. Kawanaka , D. Kerszberg , B. Khélifi , R. Kissmann , J. Knödlseder , Y. Kobayashi , K. Kohri , N. Komin , A. Kong , K. Kosack , H. Kubo , N. La Palombara , G. Lamanna , R. G. Lang , J. Lapington , P. Laporte , M. Lemoine-Goumard , J. Lenain , F. Leone , G. Leto , F. Leuschner , E. Lindfors , S. Lloyd , T. Lohse , S. Lombardi , F. Longo , A. Lopez , M. López , R. López-Coto , S. Loporchio , F. Lucarelli , P. L. Luque-Escamilla , E. Lyard , C. Maggio , A. Majczyna , M. Makariev , M. Mallamaci , D. Mandat , G. Maneva , M. Manganaro , G. Manicò , A. Marcowith , M. Marculewicz , S. Markoff , P. Marquez , J. Martí , O. Martinez , M. Martínez , G. Martínez , H. Martínez-Huerta , G. Maurin , D. Mazin , J. D. Mbarubucyeye , D. Medina Miranda , M. Meyer , S. Micanovic , T. Miener , M. Minev , J. M. Miranda , A. Mitchell , T. Mizuno , B. Mode , R. Moderski , L. Mohrmann , E. Molina , T. Montaruli , A. Moralejo , J. Morales Merino , D. Morcuende-Parrilla , A. Morselli , R. Mukherjee , C. Mundell , T. Murach , H. Muraishi , A. Nagai , T. Nakamori , R. Nemmen , J. Niemiec , D. Nieto , M. Nievas , M. Nikołajuk , K. Nishijima , K. Noda , D. Nosek , S. Nozaki , P. O'Brien , Y. Ohira , M. Ohishi , T. Oka , R. A. Ong , M. Orienti , R. Orito , M. Orlandini , E. Orlando , J. P. Osborne , M. Ostrowski , I. Oya , A. Pagliaro , M. Palatka , D. Paneque , F. R. Pantaleo , J. M. Paredes , N. Parmiggiani , B. Patricelli , L. Pavletić , A. Pe'er , M. Pech , M. Pecimotika , M. Peresano , M. Persic , O. Petruk , K. Pfrang , P. Piatteli , E. Pietropaolo , R. Pillera , B. Pilszyk , D. Pimentel , F. Pintore , S. Pita , M. Pohl , V. Poireau , M. Polo , R. R. Prado , J. Prast , G. Principe , N. Produit , H. Prokoph , M. Prouza , H. Przybilski , E. Pueschel , G. Pühlhofer , M. L. Pumo , M. Punch , F. Queiroz , A. Quirrenbach , R. Rando , S. Razzaque , E. Rebert , S. Recchia , P. Reichherzer , O. Reimer , A. Reimer , Y. Renier , T. Reposeur , W. Rhode , D. Ribeiro , M. Ribó , T. Richtler , J. Rico , F. Rieger , V. Rizi , J. Rodriguez , G. Rodriguez Fernandez , J. C. Rodriguez Ramirez , J. J. Rodríguez Vázquez , P. Romano , G. Romeo , M. Roncadelli , J. Rosado , A. Rosales de Leon , G. Rowell , B. Rudak , W. Rujopakarn , F. Russo , I. Sadeh , L. Saha , T. Saito , F. Salesa Greus , D. Sanchez , M. Sánchez-Conde , P. Sangiorgi , H. Sano , M. Santander , E. M. Santos , A. Sanuy , S. Sarkar , F. G. Saturni , U. Sawangwit , A. Scherer , B. Schleicher , P. Schovanek , F. Schussler , U. Schwanke , E. Sciacca , S. Scuderi , M. Seglar Arroyo , O. Sergijenko , M. Servillat , K. Seweryn , A. Shalchi , P. Sharma , R. C. Shellard , H. Siejkowski , A. Sinha , V. Sliusar , A. Slowikowska , A. Sokolenko , H. Sol , A. Specovius , S. Spencer , D. Spiga , A. Stamerra , S. Stanič , R. Starling , T. Stolarczyk , U. Straumann , J. Strišković , Y. Suda , P. Świerk , G. Tagliaferri , H. Takahashi , M. Takahashi , F. Tavecchio , L. Taylor , L. A. Tejedor , P. Temnikov , R. Terrier , T. Terzic , V. Testa , W. Tian , L. Tibaldo , D. Tonev , D. F. Torres , E. Torresi , L. Tosti , N. Tothill , G. Tovmassian , P. Travnicek , S. Truzzi , F. Tuossenel , G. Umana , M. Vacula , V. Vagelli , M. Valentino , B. Vallage , P. Vallania , C. van Eldik , G. S. Varner , V. Vassiliev , M. Vázquez Acosta , M. Vecchi , J. Veh , S. Vercellone , S. Vergani , V. Verguilov , G. P. Vettolani , A. Viana , C. F. Vigorito , V. Vitale , S. Vorobiov , I. Vovk , T. Vuillaume , S. J. Wagner , R. Walter , J. Watson , M. White , R. White , R. Wiemann , A. Wierzcholska , M. Will , D. A. Williams , R. Wischnewski , A. Wolter , R. Yamazaki , S. Yanagita , L. Yang , T. Yoshikoshi , M. Zacharias , G. Zaharijas , D. Zaric , M. Zavrtanik , D. Zavrtanik , A. Zech , H. Zechlin , V. I. Zhdanov , M. Živec

We present studies for optimizing the next generation of ground-based imaging atmospheric Cherenkov telescopes (IACTs). Results focus on mid-sized telescopes (MSTs) for CTA, detecting very high energy gamma rays in the energy range from a…

Instrumentation and Methods for Astrophysics · Physics 2015-07-15 M. Wood , T. Jogler , J. Dumm , S. Funk

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

The stereoscopic imaging atmospheric Cherenkov technique, developed in the 1980s and 1990s, is now used by a number of existing and planned gamma-ray observatories around the world. It provides the most sensitive view of the very high…

Instrumentation and Methods for Astrophysics · Physics 2015-10-21 Jamie Holder

Computed Tomography (CT) using synchrotron radiation is a powerful technique that, compared to lab-CT techniques, boosts high spatial and temporal resolution while also providing access to a range of contrast-formation mechanisms. The…

Image and Video Processing · Electrical Eng. & Systems 2025-01-20 Jiayang Shi , Daniel M. Pelt , K. Joost Batenburg

Several projects planned or proposed can significantly expand our knowledge of the high-energy Universe in gamma rays. Construction of the Cherenkov telescope array CTA is started, and other detectors are planned which will use the…

Instrumentation and Methods for Astrophysics · Physics 2016-10-27 Alesandro De Angelis

Computerized tomography (CT) has been used for decades by medical professionals to detect and diagnose injuries and ailments. CT scanners are based on interesting physics, but due to their bulk, cost, and safety, hands on experience with a…

Physics Education · Physics 2021-01-28 Vincent Daley , Owen Paetkau , Mark Paetkau

The HADAR experiment, which will be constructed in Tibet, China, combines the wide-angle advantages of traditional EAS array detectors with the high sensitivity advantages of focused Cherenkov detectors. Its physics objective is to observe…

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

The Cherenkov Telescope Array (CTA) is an international initiative to build the next generation ground based very-high energy gamma-ray observatory. It will consist of telescopes of three different sizes, employing several different…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 A. Bonardi , T. Buanes , P. Chadwick , F. Dazzi , A. Förster , J. R. Hörandel , M. Punch , R. M. Wagner

Cherenkov gamma telescope observes high energy gamma rays, taking advantage of the radiation emitted by charged particles produced inside the electromagnetic showers initiated by the gammas, and developing in the atmosphere. The detector…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Emmanuel Dadzie , Kelvin Kwakye

The Cherenkov Telescope Array (CTA) is the next generation gamma-ray observatory. CTA will incorporate about 100 imaging atmospheric Cherenkov telescopes (IACTs) at a southern site, and about 20 in the north. Previous IACT experiments have…

Instrumentation and Methods for Astrophysics · Physics 2020-05-22 Iftach Sadeh , Igor Oya , Joseph Schwarz , Emmanuel Pietriga , Dejan Dezman

The next generation of observatories will facilitate the discovery of new types of astrophysical transients. The detection of such phenomena, whose characteristics are presently poorly constrained, will hinge on the ability to perform blind…

High Energy Astrophysical Phenomena · Physics 2019-08-06 Iftach Sadeh

The Cherenkov Telescope Array (CTA) is the next generation ground-based observatory for $\gamma$-ray astronomy at energies above 30 GeV. Thanks to its unique capabilities, CTA observations will address a plethora of open questions in…

High Energy Astrophysical Phenomena · Physics 2019-07-19 H. Martínez-Huerta , J. Biteau , J. Lefaucheur , M. Meyer , S. Pita , I. Vovk

Cherenkov telescopes are also sensitive to the atmospheric fluorescence produced by the extensive air showers. However this contribution is neglected by the reconstruction algorithms of imaging air Cherenkov telescopes IACTs and wide-angle…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Fernando Arqueros , Jaime Rosado , Daniel Morcuende , José Luis Contreras