Related papers: VERITAS observations of the Cygnus Region

VERITAS Discovery of VHE Emission from the Radio Galaxy 3C 264: A Multi-Wavelength Study

The radio source 3C 264, hosted by the giant elliptical galaxy NGC 3862, was observed with VERITAS between February 2017 and May 2019. These deep observations resulted in the discovery of very-high-energy (VHE; E $>100$ GeV) $\gamma$-ray…

High Energy Astrophysical Phenomena · Physics 2020-06-17 A. Archer , W. Benbow , R. Bird , A. Brill , M. Buchovecky , J. H. Buckley , M. T. Carini , J. L. Christiansen , A. J. Chromey , M. K. Daniel , M. Errando , A. Falcone , Q. Feng , P. Fortin , L. Fortson , A. Furniss , A. Gent , M. Georganopoulos , G. H. Gillanders , C. Giuri , O. Gueta , D. Hanna , T. Hassan , O. Hervet , J. Holder , G. Hughes , T. B. Humensky , P. Kaaret , M. Kertzman , D. Kieda , F. Krennrich , M. J. Lang , T. T. Y. Lin , M. L. Lister , M. Lundy , G. Maier , E. T. Meyer , P. Moriarty , R. Mukherjee , D. Nieto , M. Nievas-Rosillo , S. O'Brien , R. A. Ong , K. Pfrang , M. Pohl , R. R. Prado , E. Pueschel , J. Quinn , K. Ragan , K. Ramirez , P. T. Reynolds , D. Ribeiro , G. T. Richards , E. Roache , C. Rulten , J. L. Ryan , A. Sadun , M. Santander , S. S. Scott , G. H. Sembroski , K. Shahinyan , R. Shang , B. Stevenson , V. V. Vassiliev , S. P. Wakely , A. Weinstein , P. Wilcox , A. Wilhelm , D. A. Williams , T. J Williamson

VERITAS observations of the BL Lac object TXS 0506+056

On 2017 September 22, the IceCube Neutrino Observatory reported the detection of the high-energy neutrino event \icnu, of potential astrophysical origin. It was soon determined that the neutrino direction was consistent with the location of…

High Energy Astrophysical Phenomena · Physics 2018-07-13 A. U. Abeysekara , A. Archer , W. Benbow , R. Bird , A. Brill , R. Brose , J. H. Buckley , J. L. Christiansen , A. J. Chromey , M. K. Daniel , A. Falcone , Q. Feng , J. P. Finley , L. Fortson , A. Furniss , G. H. Gillanders , O. Gueta , D. Hanna , O. Hervet , J. Holder , G. Hughes , T. B. Humensky , C. A. Johnson , P. Kaaret , P. Kar , N. Kelley-Hoskins , M. Kertzman , D. Kieda , M. Krause , F. Krennrich , M. J. Lang , P. Moriarty , R. Mukherjee , S. O'Brien , R. A. Ong , A. N. Otte , N. Park , A. Petrashyk , M. Pohl , E. Pueschel , J. Quinn , K. Ragan , P. T. Reynolds , G. T. Richards , E. Roache , C. Rulten , I. Sadeh , M. Santander , S. S. Scott , G. H. Sembroski , K. Shahinyan , J. Tyler , S. P. Wakely , A. Weinstein , R. M. Wells , P. Wilcox , A. Wilhelm , D. A. Williams , T. J Williamson , B. Zitzer

VERITAS long-term (2006-2014) observations of the BL Lac object 1ES 0806+524

The discovery of the high-frequency-peaked BL Lac object 1ES 0806+524 (z=0.138) as a source of very-high-energy (VHE, E>100 GeV) gamma-ray photons was announced in 2008 by the VERITAS Collaboration, at a level of 1.8% of the Crab Nebula…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Matteo Cerruti

Discovery of TeV Gamma-ray Emission Toward Supernova Remnant SNR G78.2+2.1

We report the discovery of an unidentified, extended source of very-high-energy (VHE) gamma-ray emission, VER J2019+407, within the radio shell of the supernova remnant SNR G78.2+2.1, using 21.4 hours of data taken by the VERITAS gamma-ray…

High Energy Astrophysical Phenomena · Physics 2015-06-16 E. Aliu , S. Archambault , T. Arlen , T. Aune , M. Beilicke , W. Benbow , R. Bird , A. Bouvier , S. M. Bradbury , J. H. Buckley , V. Bugaev , K. Byrum , A. Cannon , A. Cesarini , L. Ciupik , E. Collins-Hughes , M. P. Connolly , W. Cui , R. Dickherber , C. Duke , J. Dumm , V. V. Dwarkadas , M. Errando , A. Falcone , S. Federici , Q. Feng , J. P. Finley , G. Finnegan , L. Fortson , A. Furniss , N. Galante , D. Gall , G. H. Gillanders , S. Godambe , E. V. Gotthelf , S. Griffin , J. Grube , G. Gyuk , D. Hanna , J. Holder , H. Huan , G. Hughes , T. B. Humensky , P. Kaaret , N. Karlsson , M. Kertzman , Y. Khassen , D. Kieda , H. Krawczynski , F. Krennrich , M. J. Lang , K. Lee , A. S Madhavan , G. Maier , P. Majumdar , S. McArthur , A. McCann , J. Millis , P. Moriarty , R. Mukherjee , T. Nelson , A. O'Faoláin de Bhróithe , R. A. Ong , M. Orr , A. N. Otte , D. Pandel , N. Park , J. S. Perkins , M. Pohl , A. Popkow , H. Prokoph , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , E. Roache , H. J. Rose , J. Ruppel , D. B. Saxon , M. Schroedter , G. H. Sembroski , G. D. Şentürk , C. Skole , I. Telezhinsky , G. Tešić , M. Theiling , S. Thibadeau , K. Tsurusaki , J. Tyler , A. Varlotta , V. V. Vassiliev , S. Vincent , S. P. Wakely , J. E. Ward , T. C. Weekes , A. Weinstein , T. Weisgarber , R. Welsing , D. A. Williams , B. Zitzer

VERITAS Observations of the TeV Binary LS I +61 303 During 2008-2010

We present the results of observations of the TeV binary LS I +61 303 with the VERITAS telescope array between 2008 and 2010, at energies above 300 GeV. In the past, both ground-based gamma-ray telescopes VERITAS and MAGIC have reported…

High Energy Astrophysical Phenomena · Physics 2015-05-28 V. A. Acciari , E. Aliu , T. Arlen , T. Aune , M. Beilicke , W. Benbow , S. M. Bradbury , J. H. Buckley , V. Bugaev , K. Byrum , A. Cannon , A. Cesarini , L. Ciupik , E. Collins-Hughes , M. P. Connolly , W. Cui , R. Dickherber , C. Duke , M. Errando , A. Falcone , J. P. Finley , G. Finnegan , L. Fortson , A. Furniss , N. Galante , D. Gall , G. H. Gillanders , S. Godambe , S. Griffin , J. Grube , R. Guenette , G. Gyuk , D. Hanna , J. Holder , G. Hughes , C. M. Hui , T. B. Humensky , P. Kaaret , N. Karlsson , M. Kertzman , D. Kieda , H. Krawczynski , F. Krennrich , M. J. Lang , S. LeBohec , G. Maier , P. Majumdar , S. McArthur , A. McCann , P. Moriarty , R. Mukherjee , R. A. Ong , M. Orr , A. N. Otte , N. Park , J. S. Perkins , M. Pohl , H. Prokoph , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , E. Roache , H. J. Rose , J. Ruppel , D. B. Saxon , M. Schroedter , G. H. Sembroski , G. Demet Senturk , A. W. Smith , D. Staszak , G. Tesic , M. Theiling , S. Thibadeau , K. Tsurusaki , 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

VER J2019+407 and the Cygnus Cocoon

Current gamma-ray observatories have made substantial advances in the study of potential cosmic ray accelerators such as supernova remnants (SNRs), but the study of cosmic rays in flight from their parent accelerators remains a topic of…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Joshua V. Cardenzana

Galactic diffuse gamma-ray emission at TeV energy

Measuring the diffuse Galactic gamma-ray flux in the TeV range is difficult for ground-based gamma-ray telescopes because of the residual cosmic-ray background, which is higher than the gamma-ray flux by several orders of magnitude. Its…

High Energy Astrophysical Phenomena · Physics 2020-01-22 A. Neronov , D. V. Semikoz

Gamma-ray emission from the Westerlund 1 region

Westerlund 1 (Wd 1) is the most massive stellar cluster in the Galaxy and associated with an extended region of TeV emission. Here we report the results of a search for GeV gamma-ray emission in this region. The analysis is based on ~4.5…

High Energy Astrophysical Phenomena · Physics 2015-06-16 S. Ohm , J. A. Hinton , R. White

VERITAS Observations of the Galactic Center Region at Multi-TeV Gamma-Ray Energies

The Galactic Center (GC) region hosts a variety of powerful astronomical sources and rare astrophysical processes that emit a large flux of non-thermal radiation. The inner 375 pc x 600 pc region, called the Central Molecular Zone, is home…

High Energy Astrophysical Phenomena · Physics 2021-06-09 C. B. Adams , W. Benbow , A. Brill , R. Brose , M. Buchovecky , M. Capasso , J. L. Christiansen , A. J. Chromey , M. K. Daniel , M. Errando , A. Falcone , Q. Feng , J. P. Finley , L. Fortson , A. Furniss , A. Gent , G. H. Gillanders , C. Giuri , D. Hanna , O. Hervet , J. Holder , G. Hughes , T. B. Humensky , W. Jin , P. Kaaret , N. Kelley-Hoskins , M. Kertzman , D. Kieda , F. Krennrich , S. Kumar , M. J. Lang , M. Lundy , G. Maier , P. Moriarty , R. Mukherjee , D. Nieto , M. Nievas-Rosillo , S. O'Brien , R. A. Ong , A. N. Otte , K. Pfrang , M. Pohl , R. R. Prado , E. Pueschel , J. Quinn , K. Ragan , P. T. Reynolds , D. Ribeiro , G. T. Richards , E. Roache , J. L. Ryan , M. Santander , S. Schlenstedt , G. H. Sembroski , R. Shang , B. Stevenson , S. P. Wakely , A. Weinstein , D. A. Williams

Evidence for TeV gamma ray emission from TeV J2032+4130 in Whipple archival data

A reanalysis of data taken on the Cygnus region in 1989-90 using the Whipple Observatory atmospheric Cherenkov imaging telescope confirms the existence of the TeV J2032+4130 source reported by the Crimean Astrophysical Observatory and…

Astrophysics · Physics 2007-05-23 M. J. Lang , D. A. Carter-Lewis , D. J. Fegan , S. J. Fegan , A. M. Hillas , R. C. Lamb , M. Punch , P. T. Reynolds , T. C. Weekes

Highlight Talk: Recent Results from VERITAS

VERITAS is a state-of-the-art ground-based gamma-ray observatory that operates in the very high-energy (VHE) region of 100 GeV to 50 TeV. The observatory consists of an array of four 12m-diameter imaging atmospheric Cherenkov telescopes…

High Energy Astrophysical Phenomena · Physics 2009-12-31 R. A. Ong , V. A. Acciari , T. Arlen , T. Aune , M. Beilicke , W. Benbow , D. Boltuch , S. M. Bradbury , J. H. Buckley , V. Bugaev , K. Byrum , A. Cannon , A. Cesarini , L. Ciupik , Y. C. Chow , P. Cogan , W. Cui , C. Duke , S. J. Fegan , J. P. Finley , G. Finnegan , P. Fortin , L. Fortson , A. Furniss , N. Galante , D. Gall , G. H. Gillanders , S. Godambe , J. Grube , R. Guenette , G. Gyuk , D. Hanna , J. Holder , D. Horan , C. M. Hui , T. B. Humensky , A. Imran , P. Kaaret , N. Karlsson , M. Kertzman , D. Kieda , A. Konopelko , H. Krawczynski , F. Krennrich , M. J. Lang , G. Maier , S. McArthur , A. McCann , M. McCutcheon , J. Millis , P. Moriarty , A. N. Otte , D. Pandel , J. S. Perkins , A. Pichel , M. Pohl , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , E. Roache , H. J. Rose , M. Schroedter , G. H. Sembroski , A. W. Smith , D. Steele , S. P. Swordy , M. Theiling , S. Thibadeau , J. A. Toner , A. Varlotta , V. V. Vassiliev , S. Vincent , R. G. Wagner , S. P. Wakely , J. E. Ward , T. C. Weekes , A. Weinstein , D. A. Williams , S. Wissel , M. Wood , B. Zitzer

VERITAS Observations of The Galactic Center Ridge

The Galactic Center Ridge has been observed extensively in the past by both GeV and TeV instruments revealing a wealth of structure, including both a diffuse component, the point sources G0.9+0.1 (a composite supernova remnant) and SgrA*…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Andrew W. Smith

VERITAS Observations of HESS J1943+213

HESS J1943+213 is a very-high-energy (VHE; >100 GeV) gamma-ray point source detected during the H.E.S.S. Galactic Plane Survey. Radio, infrared, X-ray, and GeV gamma-ray counterparts have been identified for HESS J1943+213; however, the…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Karlen Shahinyan

The cosmic-ray and gas content of the Cygnus region as measured in gamma rays by the Fermi Large Area Telescope

The Cygnus region hosts a giant molecular-cloud complex which actively forms massive stars. Interactions of cosmic rays with interstellar gas and radiation fields make it shine at gamma-ray energies. Several gamma-ray pulsars and other…

High Energy Astrophysical Phenomena · Physics 2012-08-27 the Fermi LAT Collaboration

VERITAS Observations of Six Bright, Hard-Spectrum Fermi-LAT Blazars

We report on VERITAS very-high-energy (VHE; E>100 GeV) observations of six blazars selected from the Fermi Large Area Telescope First Source Catalog (1FGL). The gamma-ray emission from 1FGL sources was extrapolated up to the VHE band,…

High Energy Astrophysical Phenomena · Physics 2015-06-11 E. Aliu , S. Archambault , T. Arlen , T. Aune , M. Beilicke , W. Benbow , M. Bottcher , A. Bouvier , J. H. Buckley , V. Bugaev , A. Cesarini , L. Ciupik , E. Collins-Hughes , M. P. Connolly , W. Cui , R. Dickherber , C. Duke , J. Dumm , M. Errando , A. Falcone , S. Federici , Q. Feng , J. P. Finley , G. Finnegan , L. Fortson , A. Furniss , N. Galante , D. Gall , S. Godambe , S. Griffin , J. Grube , G. Gyuk , D. Hanna , J. Holder , H. Huan , P. Kaaret , N. Karlsson , Y. Khassen , D. Kieda , H. Krawczynski , F. Krennrich , K. Lee , A. S Madhavan , G. Maier , P. Majumdar , S. McArthur , A. McCann , P. Moriarty , R. Mukherjee , T. Nelson , A. O'Faolain de Bhroithe , R. A. Ong , M. Orr , A. N. Otte , N. Park , J. S. Perkins , A. Pichel , M. Pohl , H. Prokoph , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , E. Roache , D. B. Saxon , G. H. Sembroski , D. Staszak , I. Telezhinsky , G. Tesic , M. Theiling , S. Thibadeau , K. Tsurusaki , A. Varlotta , V. V. Vassiliev , S. Vincent , M. Vivier , S. P. Wakely , T. C. Weekes , A. Weinstein , R. Welsing , D. A. Williams , B. Zitzer , P. Fortin , D. Horan , M. Fumagalli , K. Kaplan , J. X. Prochaska

Search for Dark Matter Annihilation Signals in the Galactic Center Halo with VERITAS

Gamma-ray observations of the Galactic Center (GC) region provide some of the most sensitive measurements of annihilation signals from dark matter in the GeV-TeV mass range. We present the first results from 178 hours of VERITAS…

High Energy Astrophysical Phenomena · Physics 2023-09-25 James L Ryan

Study of the diffuse gamma-ray emission from the Galactic plane with ARGO-YBJ

The events recorded by ARGO-YBJ in more than five years of data collection have been analyzed to determine the diffuse gamma-ray emission in the Galactic plane at Galactic longitudes 25{\deg} < l < 100{\deg} and Galactic latitudes . The…

Instrumentation and Methods for Astrophysics · Physics 2015-07-27 B. Bartoli , P. Bernardini , X. J. Bi , P. Branchini , A. Budano , P. Camarri , Z. Cao , R. Cardarelli , S. Catalanotti , S. Z. Chen , T. L. Chen , P. Creti , S. W. Cui , B. Z. Dai , A. D'Amone , Danzengluobu , I. De Mitri , B. D'Ettorre Piazzoli , T. Di Girolamo , G. Di Sciascio , C. F. Feng , Zhaoyang Feng , Zhenyong Feng , Q. B. Gou , Y. Q. Guo , H. H. He , Haibing Hu , Hongbo Hu , M. Iacovacci , R. Iuppa , H. Y. Jia , Labaciren , H. J. Li , G. Liguori , C. Liu , J. Liu , M. Y. Liu , H. Lu , L. L. Ma , X. H. Ma , G. Mancarella , S. M. Mari , G. Marsella , D. Martello , S. Mastroianni , P. Montini , C. C. Ning , M. Panareo , L. Perrone , P. Pistilli , F. Ruggieri , P. Salvini , R. Santonico , P. R. Shen , X. D. Sheng , F. Shi , A. Surdo , Y. H. Tan , P. Vallania , S. Vernetto , C. Vigorito , H. Wang , C. Y. Wu , H. R. Wu , L. Xue , Q. Y. Yang , X. C. Yang , Z. G. Yao , A. F. Yuan , M. Zha , H. M. Zhang , L. Zhang , X. Y. Zhang , Y. Zhang , J. Zhao , Zhaxiciren , Zhaxisangzhu , X. X. Zhou , F. R. Zhu , Q. Q. Zhu , G. Zizzi

Recent Results from VERITAS AGN Observations

VERITAS is one of the world's most sensitive detectors of astrophysical very high energy (VHE; E > 100 GeV) gamma rays. This observatory has operated for ~14 years, and nearly 7,000 hours of its observations have been targeted on active…

High Energy Astrophysical Phenomena · Physics 2021-08-13 Wystan Benbow

VERITAS Observations of LS I +61 303 in the Fermi Era

The high-mass X-ray binary system LS I +61 303 is well known as a rare example of a variable Galactic GeV and TeV gamma-ray emitter. Despite years of study, many aspects of the system remain unclear; the nature of the compact object, the…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Jamie Holder

Multi-wavelength Observations of LS I +61 303 with VERITAS, Swift and RXT E: 2006-2008

A long term, multi-wavelength monitoring campaign on the TeV binary LS I +61 303 has been performed utilizing >300 GeV observations with VERITAS along with monitoring in the 0.2-10 keV band by RXTE and Swift between September 2006 and…

Astrophysics · Physics 2019-08-13 A. W. Smith