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Machine learning, through the use of convolutional and recurrent neural networks is a promising avenue for the improvement of background rejection performance in imaging atmospheric Cherenkov telescopes. However, it is of paramount…

Instrumentation and Methods for Astrophysics · Physics 2022-03-11 R. D. Parsons , A. M. W. Mitchell , S. Ohm

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 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

The Cherenkov Telescope Array (CTA) is a large collaborative effort aimed at the design and operation of an observatory dedicated to the VHE gamma-ray astrophysics in the energy range 30 GeV-100 TeV, which will improve by about one order of…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Stefano Vercellone

The binary systems that have been detected in gamma rays have proven very useful to study high-energy processes, in particular particle acceleration, emission and radiation reprocessing, and the dynamics of the underlying magnetized flows.…

The Cherenkov Telescope Array (CTA) is the observatory for ground-based gamma-ray astronomy that will shape the domain of TeV astronomy for the next decades. CTA will comprise more than 100 imaging air Cherenkov telescopes deployed on two…

Instrumentation and Methods for Astrophysics · Physics 2020-04-21 Jürgen Knödlseder

The Cherenkov Telescope Array (CTA) is the next major ground-based observatory for gamma-ray astronomy. With CTA gamma-ray sources will be studied in the very-high energy gamma-ray range of a few tens of GeV to 100 TeV with up to ten times…

Instrumentation and Methods for Astrophysics · Physics 2014-08-05 Kevin J. Meagher

The Cherenkov Telescope Array (CTA) is the next-generation gamma-ray observatory currently under construction. It will improve over the current generation of imaging atmospheric Cherenkov telescopes (IACTs) by a factor of five to ten in…

Instrumentation and Methods for Astrophysics · Physics 2023-02-24 Maximilian Nöthe , Karl Kosack , Lukas Nickel , Michele Peresano

We simulate the spectral behaviour of the non-transient gamma-ray binaries using archival observations as a reference. With this we test the CTA capability to measure the sources' spectral parameters and detect variability on various time…

The Cherenkov Telescope Array (CTA) is a next-generation ground-based observatory for g -rays with energies between some ten GeV and a few hundred TeV. CTA is currently in the advanced design phase and will consist of arrays with different…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 M. Shayduk , S. Vorobiov , U. Schwanke , R. Wischnewski

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…

The identification of $\gamma$-rays from the predominant hadronic-background is a key aspect in their ground-based detection using Imaging Atmospheric Cherenkov Telescopes (IACTs). While current methods are limited in their ability to…

High Energy Astrophysical Phenomena · Physics 2025-10-08 Abhay Mehta , Dan Parsons , Tim Lukas Holch , David Berge , Matthias Weidlich

The Cherenkov Telescope Array is the next generation of observatory using imaging air Cherenkov technique for very-high-energy gamma-ray astronomy. Its first prototype telescope is operational on-site at La Palma and its data acquisitions…

Instrumentation and Methods for Astrophysics · Physics 2024-03-22 Michaël Dell'aiera , Mikaël Jacquemont , Thomas Vuillaume , Alexandre Benoit

With their wide field of view and high duty cycle, water-Cherenkov-based observatories are integral to studying the very high-energy gamma-ray sky. For gamma-ray observations, precise event reconstruction and highly effective background…

Instrumentation and Methods for Astrophysics · Physics 2025-03-21 Jonas Glombitza , Martin Schneider , Franziska Leitl , Stefan Funk , Christopher van Eldik

Molecular clouds act as primary targets for cosmic-ray interactions and are expected to shine in gamma-rays as a by-product of these interactions. Indeed several detected gamma-ray sources both in HE and VHE gamma-rays (HE: 100 MeV < E <…

High Energy Astrophysical Phenomena · Physics 2015-06-12 G. Pedaletti , D. F. Torres , S. Gabici , E. de Oña Wilhelmi , D. Mazin , V. Stamatescu

In this work, we present a new, high performance algorithm for background rejection in imaging atmospheric Cherenkov telescopes. We build on the already popular machine-learning techniques used in gamma-ray astronomy by the application of…

Instrumentation and Methods for Astrophysics · Physics 2020-05-20 R. D. Parsons , S. Ohm

The Cherenkov Telescope Array (CTA) is the major next-generation observatory for ground-based very-high-energy gamma-ray astronomy. It will improve the sensitivity of current ground-based instruments by a factor of five to twenty, depending…

Instrumentation and Methods for Astrophysics · Physics 2019-04-17 A. Acharyya , I. Agudo , E. O. Angüner , R. Alfaro , J. Alfaro , C. Alispach , R. Aloisio , R. Alves Batista , J. -P. Amans , L. Amati , E. Amato , G. Ambrosi , L. A. Antonelli , C. Aramo , T. Armstrong , F. Arqueros , L. Arrabito , K. Asano , H. Ashkar , C. Balazs , M. Balbo , B. Balmaverde , P. Barai , A. Barbano , M. Barkov , U. Barres de Almeida , J. A. Barrio , D. Bastieri , J. Becerra González , J. Becker Tjus , L. Bellizzi , W. Benbow , E. Bernardini , M. I. Bernardos , K. Bernlöhr , A. Berti , M. Berton , B. Bertucci , V. Beshley , B. Biasuzzi , C. Bigongiari , R. Bird , E. Bissaldi , J. Biteau , O. Blanch , J. Blazek , C. Boisson , G. Bonanno , A. Bonardi , C. Bonavolontà , G. Bonnoli , P. Bordas , M. Böttcher , J. Bregeon , A. Brill , A. M. Brown , K. Brügge , P. Brun , P. Bruno , A. Bulgarelli , T. Bulik , M. Burton , A. Burtovoi , G. Busetto , R. Cameron , R. Canestrari , M. Capalbi , A. Caproni , R. Capuzzo-Dolcetta , P. Caraveo , S. Caroff , R. Carosi , S. Casanova , E. Cascone , F. Cassol , F. Catalani , O. Catalano , D. Cauz , M. Cerruti , S. Chaty , A. Chen , M. Chernyakova , G. Chiaro , M. Cieślar , S. M. Colak , V. Conforti , E. Congiu , J. L. Contreras , J. Cortina , A. Costa , H. Costantini , G. Cotter , P. Cristofari , P. Cumani , G. Cusumano , A. D'Aì , F. D'Ammando , L. Dangeon , P. Da Vela , F. Dazzi , A. De Angelis , V. De Caprio , R. de Cássia dos Anjos , F. De Frondat , 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 , M. Del Santo , C. Delgado , D. della Volpe , T. Di Girolamo , F. Di Pierro , L. Di Venere , C. Díaz , S. Diebold , A. Djannati-Ataï , A. Dmytriiev , D. Dominis Prester , A. Donini , D. Dorner , M. Doro , J. -L. Dournaux , J. Ebr , T. R. N. Ekoume , D. Elsässer , G. Emery , D. Falceta-Goncalves , E. Fedorova , S. Fegan , Q. Feng , G. Ferrand , E. Fiandrini , A. Fiasson , M. Filipovic , V. Fioretti , M. Fiori , S. Flis , M. V. Fonseca , G. Fontaine , L. Freixas Coromina , S. Fukami , Y. Fukui , S. Funk , M. Füßling , D. Gaggero , G. Galanti , R. J. Garcia López , M. Garczarczyk , D. Gascon , T. Gasparetto , M. Gaug , A. Ghalumyan , F. Gianotti , G. Giavitto , N. Giglietto , F. Giordano , M. Giroletti , J. Gironnet , J. -F. Glicenstein , R. Gnatyk , P. Goldoni , J. M. González , M. M. González , K. N. Gourgouliatos , T. Grabarczyk , J. Granot , D. Green , T. Greenshaw , M. -H. Grondin , O. Gueta , D. Hadasch , T. Hassan , M. Hayashida , M. Heller , O. Hervet , J. Hinton , N. Hiroshima , B. Hnatyk , W. Hofmann , P. Horvath , M. Hrabovsky , D. Hrupec , T. B. Humensky , M. Hütten , T. Inada , F. Iocco , M. Ionica , M. Iori , Y. Iwamura , M. Jamrozy , P. Janecek , D. Jankowsky , P. Jean , L. Jouvin , J. Jurysek , P. Kaaret , L. H. S. Kadowaki , S. Karkar , D. Kerszberg , B. Khélifi , D. Kieda , S. Kimeswenger , W. Kluźniak , J. Knapp , J. Knödlseder , Y. Kobayashi , B. Koch , J. Kocot , N. Komin , A. Kong , G. Kowal , M. Krause , H. Kubo , J. Kushida , P. Kushwaha , V. La Parola , G. La Rosa , M. Lallena Arquillo , R. G. Lang , J. Lapington , O. Le Blanc , J. Lefaucheur , M. A. Leigui de Oliveira , M. Lemoine-Goumard , J. -P. Lenain , G. Leto , R. Lico , E. Lindfors , T. Lohse , S. Lombardi , F. Longo , A. Lopez , M. López , A. Lopez-Oramas , R. López-Coto , S. Loporchio , P. L. Luque-Escamilla , E. Lyard , M. C. Maccarone , E. Mach , C. Maggio , P. Majumdar , G. Malaguti , M. Mallamaci , D. Mandat , G. Maneva , M. Manganaro , S. Mangano , M. Marculewicz , M. Mariotti , J. Martí , M. Martínez , G. Martínez , H. Martínez-Huerta , S. Masuda , N. Maxted , D. Mazin , J. -L. Meunier , M. Meyer , S. Micanovic , R. Millul , I. A. Minaya , A. Mitchell , T. Mizuno , R. Moderski , L. Mohrmann , T. Montaruli , A. Moralejo , D. Morcuende , G. Morlino , A. Morselli , E. Moulin , R. Mukherjee , P. Munar , C. Mundell , T. Murach , A. Nagai , T. Nagayoshi , T. Naito , T. Nakamori , R. Nemmen , J. Niemiec , D. Nieto , M. Nievas Rosillo , M. Nikołajuk , D. Ninci , K. Nishijima , K. Noda , D. Nosek , M. Nöthe , S. Nozaki , M. Ohishi , Y. Ohtani , A. Okumura , R. A. Ong , M. Orienti , R. Orito , M. Ostrowski , N. Otte , Z. Ou , I. Oya , A. Pagliaro , M. Palatiello , M. Palatka , R. Paoletti , J. M. Paredes , G. Pareschi , N. Parmiggiani , R. D. Parsons , B. Patricelli , A. Pe'er , M. Pech , P. Peñil Del Campo , J. Pérez-Romero , M. Perri , M. Persic , P. -O. Petrucci , O. Petruk , K. Pfrang , Q. Piel , E. Pietropaolo , M. Pohl , M. Polo , J. Poutanen , E. Prandini , N. Produit , H. Prokoph , M. Prouza , H. Przybilski , G. Pühlhofer , M. Punch , F. Queiroz , A. Quirrenbach , S. Rainò , R. Rando , S. Razzaque , O. Reimer , N. Renault-Tinacci , Y. Renier , D. Ribeiro , M. Ribó , J. Rico , F. Rieger , V. Rizi , G. Rodriguez Fernandez , J. C. Rodriguez-Ramirez , J. J. Rodríguez Vázquez , P. Romano , G. Romeo , M. Roncadelli , J. Rosado , G. Rowell , B. Rudak , A. Rugliancich , C. Rulten , I. Sadeh , L. Saha , T. Saito , S. Sakurai , F. Salesa Greus , P. Sangiorgi , H. Sano , M. Santander , A. Santangelo , R. Santos-Lima , A. Sanuy , K. Satalecka , F. G. Saturni , U. Sawangwit , S. Schlenstedt , P. Schovanek , F. Schussler , U. Schwanke , E. Sciacca , S. Scuderi , K. Sedlaczek , M. Seglar-Arroyo , O. Sergijenko , K. Seweryn , A. Shalchi , R. C. Shellard , H. Siejkowski , A. Sillanpää , A. Sinha , G. Sironi , V. Sliusar , A. Slowikowska , H. Sol , A. Specovius , S. Spencer , G. Spengler , A. Stamerra , S. Stanič , Ł. Stawarz , S. Stefanik , T. Stolarczyk , U. Straumann , T. Suomijarvi , P. Świerk , T. Szepieniec , G. Tagliaferri , H. Tajima , T. Tam , F. Tavecchio , L. Taylor , L. A. Tejedor , P. Temnikov , T. Terzic , V. Testa , L. Tibaldo , C. J. Todero Peixoto , F. Tokanai , L. Tomankova , D. Tonev , D. F. Torres , G. Tosti , L. Tosti , N. Tothill , F. Toussenel , G. Tovmassian , P. Travnicek , C. Trichard , G. Umana , V. Vagelli , M. Valentino , B. Vallage , P. Vallania , L. Valore , J. Vandenbroucke , G. S. Varner , G. Vasileiadis , V. Vassiliev , M. Vázquez Acosta , M. Vecchi , S. Vercellone , S. Vergani , G. P. Vettolani , A. Viana , C. F. Vigorito , J. Vink , V. Vitale , H. Voelk , A. Vollhardt , S. Vorobiov , S. J. Wagner , R. Walter , F. Werner , R. White , A. Wierzcholska , M. Will , D. A. Williams , R. Wischnewski , L. Yang , T. Yoshida , T. Yoshikoshi , M. Zacharias , L. Zampieri , M. Zavrtanik , D. Zavrtanik , A. A. Zdziarski , A. Zech , H. Zechlin , A. Zenin , V. I. Zhdanov , S. Zimmer , J. Zorn

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.…

New deep learning techniques present promising new analysis methods for Imaging Atmospheric Cherenkov Telescopes (IACTs) such as the upcoming Cherenkov Telescope Array (CTA). In particular, the use of Convolutional Neural Networks (CNNs)…

Instrumentation and Methods for Astrophysics · Physics 2021-03-31 Samuel Spencer , Thomas Armstrong , Jason Watson , Salvatore Mangano , Yves Renier , Garret Cotter

The Cherenkov Telescope Array (CTA) will be the major global observatory for VHE gamma-ray astronomy over the next decade and beyond. It will be an explorer of the extreme universe, with a broad scientific potential: from understanding the…

High Energy Astrophysical Phenomena · Physics 2019-07-22 Ulisses Barres de Almeida