Related papers: The Very Energetic Radiation Imaging Telescope Arr…

VERITAS: Status and Highlights

The VERITAS telescope array has been operating smoothly since 2007, and has detected gamma-ray emission above 100 GeV from 40 astrophysical sources. These include blazars, pulsar wind nebulae, supernova remnants, gamma-ray binary systems, a…

High Energy Astrophysical Phenomena · Physics 2017-08-23 J. Holder , E. Aliu , T. Arlen , T. Aune , M. Beilicke , W. Benbow , M. Böttcher , A. Bouvier , J. H. Buckley , V. Bugaev , K. Byrum , A. Cannon , A. Cesarini , J. L. Christiansen , L. Ciupik , E. Collins-Hughes , M. P. Connolly , W. Cui , R. Dickherber , C. Duke , V. V. Dwarkadas , M. Errando , A. Falcone , J. P. Finley , G. Finnegan , L. Fortson , A. Furniss , N. Galante , D. Gall , K. Gibbs , G. H. Gillanders , S. Godambe , S. Griffin , J. Grube , R. Guenette , G. Gyuk , D. Hanna , H. Huan , G. Hughes , C. M. Hui , T. B. Humensky , A. Imran , P. Kaaret , N. Karlsson , M. Kertzman , Y. Khassen , D. Kieda , H. Krawczynski , F. Krennrich , M. J. Lang , M. Lyutikov , A. S Madhavan , G. Maier , P. Majumdar , S. McArthur , A. McCann , M. McCutcheon , P. Moriarty , R. Mukherjee , P. D Nunez , R. A. Ong , M. Orr , A. N. Otte , N. Park , J. S. Perkins , A. Pichel , F. Pizlo , M. Pohl , H. Prokoph , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , A. C. Rovero , J. Ruppel , A. C. Sadun , D. B. Saxon , M. Schroedter , G. H. Sembroski , G. D. Şentürk , A. W. Smith , D. Staszak , G. Tešić , M. Theiling , S. Thibadeau , K. Tsurusaki , J. Tyler , A. Varlotta , V. V. Vassiliev , S. Vincent , M. Vivier , S. P. Wakely , J. E. Ward , T. C. Weekes , A. Weinstein , T. Weisgarber , D. A. Williams , B. Zitzer

VERITAS Observations of the Coma Cluster of Galaxies

Clusters of galaxies are one of the few prominent classes of objects predicted to emit gamma rays not yet detected by satellites like EGRET or ground-based Imaging Atmospheric Cherenkov Telescopes (IACTs). The detection of Very High Energy…

Astrophysics · Physics 2019-08-13 J. S. Perkins

Monte Carlo studies for the optimisation of the Cherenkov Telescope Array layout

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

VERITAS: HAWC's Neighbour to the North

This paper summarizes a presentation given on the occasion of the inauguration of the High Altitude Water Cherenkov (HAWC) Gamma-ray Observatory in Puebla, Mexico in March 2015. The inauguration of a new facility for the study of…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Jamie Holder

The next generation Cherenkov Telescope Array observatory: CTA

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 Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) is the next generation ground-based observatory for gamma-ray astronomy at very-high energies. It will be capable of detecting gamma rays in the energy range from 20 GeV to more than 300 TeV with…

Instrumentation and Methods for Astrophysics · Physics 2019-07-22 Daniel Mazin

Recent results from the VERITAS multimessenger program

VERITAS, an array of atmospheric-Cherenkov telescopes sensitive to gamma rays in the very-high-energy range (VHE, E > 100 GeV), carries out an extensive multimessenger program focused on the search for electromagnetic counterparts to…

High Energy Astrophysical Phenomena · Physics 2019-09-12 Marcos Santander

Cherenkov Telescope Array Science: Multi-wavelength and multi-messenger perspectives

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

An indirect search for dark matter with a combined analysis of dwarf spheroidal galaxies from VERITAS

Understanding the nature and identity of dark matter is a key goal in the physics community. In the case that TeV-scale dark matter particles decay or annihilate into standard model particles, very-high-energy (VHE) gamma rays (greater than…

High Energy Astrophysical Phenomena · Physics 2024-08-07 A. Acharyya , C. B. Adams , P. Bangale , J. T. Bartkoske , P. Batista , W. Benbow , J. L. Christiansen , A. J. Chromey , A. Duerr , M. Errando , A. Falcone , Q. Feng , G. M. Foote , L. Fortson , A. Furniss , W. Hanlon , D. Hanna , O. Hervet , C. E. Hinrichs , J. Holder , T. B. Humensky , W. Jin , M. N. Johnson , P. Kaaret , M. Kertzman , D. Kieda , T. K. Kleiner , N. Korzoun , S. Kumar , M. J. Lang , M. Lundy , G. Maier , Conor E. McGrath , M. J. Millard , C. L. Mooney , P. Moriarty , R. Mukherjee , W. Ning , S. O'Brien , R. A. Ong , N. Park , M. Pohl , E. Pueschel , J. Quinn , P. L. Rabinowitz , K. Ragan , P. T. Reynolds , D. Ribeiro , E. Roache , J. L. Ryan , I. Sadeh , L. Saha , G. H. Sembroski , R. Shang , M. Splettstoesser , Donggeun Tak , A. K. Talluri , J. V. Tucci , V. V. Vassiliev , A. Weinstein , D. A. Williams , S. L. Wong

Design and upgrade of the prototype Schwarzschild-Couder Telescope

The Cherenkov Telescope Array (CTA) is the next-generation ground-based observatory for very-high energy gamma-ray astronomy. CTA will have unparalleled sensitivity and angular resolution and will detect gamma-ray sources nearly 100 times…

Instrumentation and Methods for Astrophysics · Physics 2022-09-07 Leslie Taylor

VERITAS discovery of very high energy gamma-ray emission from S3 1227+25 and multiwavelength observations

We report the detection of very high energy gamma-ray emission from the blazar S3 1227+25 (VER J1230+253) with the Very Energetic Radiation Imaging Telescope Array System (VERITAS). VERITAS observations of the source were triggered by the…

High Energy Astrophysical Phenomena · Physics 2023-06-21 Atreya Acharyya , Colin Adams , Avery Archer , Priyadarshini Bangale , Wystan Benbow , Aryeh Brill , Jodi Christiansen , Alisha Chromey , Manel Errando , Abe Falcone , Qi Feng , John Finley , Gregory Foote , Lucy Fortson , Amy Furniss , Greg Gallagher , William Hanlon , David Hanna , Olivier Hervet , Claire Hinrichs , John Hoang , Jamie Holder , Weidong Jin , Madalyn Johnson , Philip Kaaret , Mary P. Kertzman , David Kieda , Tobias Kleiner , Nikolas Korzoun , Frank Krennrich , Mark Lang , Matthew Lundy , Gernot Maier , Conor McGrath , Matthew Millard , John Millis , Connor Mooney , Patrick Moriarty , Reshmi Mukherjee , Stephan O'Brien , Rene A. Ong , Martin Pohl , Elisa Pueschel , John Quinn , Kenneth J. Ragan , Paul Reynolds , Deivid Ribeiro , Emmet Thomas Roache , Iftach Sadeh , Alberto Sadun , Lab Saha , Marcos Santander , Glenn Sembroski , Ruo Shang , Megan Splettstoesser , Anjana Talluri , James Tucci , Vladimir Vassiliev , David Williams , Sam Wong , Talvikki Hovatta , Svetlana Jorstad , Sebastian Kiehlmann , Anne Lahteenmaki , Ioannis Liodakis , Alan Marscher , Walter Max-Moerbeck , Anthony Readhead , Rodrigo Reeves , Paul S Smith , Merja Tornikoski

Observation of selected IBLs and LBLs with VERITAS

The improved sensitivity of current-generation atmospheric-Cherenkov telescope (ACT) arrays enables us to probe for the first time low-frequency-peaked and intermediate-frequency-peaked BL Lac (LBL and IBL, respectively) objects as very…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Pratik Majumdar

CF2 White Paper: Status and Prospects of The VERITAS Indirect Dark Matter Detection Program

In this white paper, submitted as a part of Snowmass 2013 (subgroup CF2), we examine the current status and future prospects of the VERITAS indirect dark matter detection program. The VERITAS array of imaging atmospheric Cherenkov…

High Energy Astrophysical Phenomena · Physics 2013-04-26 Andrew W. Smith , Ralph Bird , James Buckley , Karen Byrum , John Finley , Nicola Galante , Alex Geringer-Sameth , David Hanna , Jamie Holder , David Kieda , Savvas Koushiappas , Rene A. Ong , David Staszak , Ben Zitzer

A Topological Trigger System for Imaging Atmospheric-Cherenkov Telescopes

A fast trigger system is being designed as a potential upgrade to VERITAS, or as the basis for a future array of imaging atmospheric-Cherenkov telescopes such as AGIS. The scientific goal is a reduction of the energy threshold by a factor…

Instrumentation and Methods for Astrophysics · Physics 2009-08-04 M. Schroedter , J. Anderson , K. Byrum , G. Drake , C. Duke , J. Holder , A. Imran , A. Madhavan , F. Krennrich , A. Kreps , A. Smith

The Camera Calibration Strategy of the Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) will be the next generation ground based observatory in very high energy gamma ray astronomy. The facility will achieve a wide energy coverage, starting from a threshold of a few tens of GeV up to…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 M. K. Daniel , M. Gaug , P. Majumdar

The Upgrade of VERITAS with High Efficiency Photomultipliers

We are in the process of upgrading the VERITAS array of Cherenkov telescopes with new, high efficiency photomultipliers (PMT) that will considerably lower the energy threshold of the instrument and improve the overall sensitivity. The…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 A. Nepomuk Otte

Observations of the high-frequency-peaked BL Lac object 1ES 1218+304 with VERITAS

The VERITAS collaboration has observed the high-frequency-peaked BL Lac object 1ES 1218+304 using an array of several imaging Cherenkov telescopes located at the Fred Lawrence Whipple Observatory in Southern Arizona. A gamma-ray signal was…

Astrophysics · Physics 2007-09-25 Pascal Fortin

The CAT Imaging Telescope for Very-High-Energy Gamma-Ray Astronomy

The CAT (Cherenkov Array at Themis) imaging telescope, equipped with a very-high-definition camera (546 fast phototubes with 0.12 degrees spacing surrounded by 54 larger tubes in two guard rings) started operation in Autumn 1996 on the site…

Astrophysics · Physics 2009-10-30 A. Barrau , R. Bazer-Bachi , E. Beyer , H. Cabot , M. Cerutti , L. M. Chounet , G. Debiais , B. Degrange , H. Delchini , J. P. Denance , G. Descotes , J. P. Dezalay , A. Djannati-Atai , D. Dumora , P. Espigat , B. Fabre , P. Fleury , G. Fontaine , R. George , C. Ghesquiere , J. Gilly , P. Goret , C. Gouiffes , J. C. Gouillaud , C. Gregory , I. A. Grenier , L. Iacoucci , L. Kalt , S. Le Bohec , I. Malet , C. Meynadier , J. P. Mols , P. Mora de Freitas , R. Morano , G. Morinaud , F. Munz , M. Palatka , T. A. Palfrey , E. Pare , Y. Pons , M. Punch , J. Quebert , K. Ragan , C. Renault , M. Rivoal , L. Rob , P. Schovanek , D. Smith , A. Tabary , J. P. Tavernet , F. Toussenel , J. Vrana

A Prototype for the Cherenkov Telescope Array Pipelines Framework: Modular Efficiency Simple System (MESS)

The Cherenkov Telescope Array (CTA) is a ground-based $\gamma$-ray observatory that will observe the full sky in the energy range from 20 GeV to 100 TeV from facilities in both hemispheres. It is proposed to consist of more than 100…

Instrumentation and Methods for Astrophysics · Physics 2015-09-08 Ramin Marx , Raquel de los Reyes

Second large-scale Monte Carlo study for the Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) represents the next generation of ground based instruments for Very High Energy gamma-ray astronomy. It is expected to improve on the sensitivity of current instruments by an order of magnitude and…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 T. Hassan , L. Arrabito , K. Bernlör , J. Bregeon , J. Hinton , T. Jogler , G. Maier , A. Moralejo , F. Di Pierro , M. Wood