Related papers: VERITAS Detection of LS 5039 and HESS J1825-137

VERITAS Discovery of >200GeV Gamma-ray Emission from the Intermediate-frequency-peaked BL Lac Object W Comae

We report the detection of very high-energy gamma-ray emission from the intermediate-frequency-peaked BL Lacertae object W Comae (z=0.102) by VERITAS. The source was observed between January and April 2008. A strong outburst of gamma-ray…

Astrophysics · Physics 2015-05-13 VERITAS Collaboration , V. A. Acciari , E. Aliu , M. Beilicke , W. Benbow , M. Boettcher , S. M. Bradbury , J. H. Buckley , V. Bugaev , Y. Butt , O. Celik , A. Cesarini , L. Ciupik , Y. C. K. Chow , P. Cogan , P. Colin , W. Cui , M. K. Daniel , T. Ergin , A. D. Falcone , S. J. Fegan , J. P. Finley , G. Finnegan , P. Fortin , L. F. Fortson , A. Furniss , D. Gall , G. H. Gillanders , J. Grube , R. Guenette , G. Gyuk , D. Hanna , E. Hays , J. Holder , D. Horan , C. M. Hui , T. B. Humensky , A. Imran , P. Kaaret , N. Karlsson , M. Kertzman , D. B. Kieda , A. Konopelko , H. Krawczynski , F. Krennrich , M. J. Lang , S. LeBohec , K. Lee , G. Maier , A. McCann , M. McCutcheon , P. Moriarty , R. Mukherjee , T. Nagai , J. Niemiec , R. A. Ong , D. Pandel , J. S. Perkins , D. Petry , 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 , J. A. Toner , V. V. Vassiliev , R. Wagner , S. P. Wakely , J. E. Ward , T. C. Weekes , A. Weinstein , R. J. White , D. A. Williams , S. A. Wissel , M. Wood , B. Zitzer

VERITAS highlights of observations and results

Located in southern Arizona, VERITAS is amongst the most sensitive detectors for astrophysical very high energy (VHE; E>100 GeV) gamma rays and has been operational since April 2007. We highlight some recent results from VERITAS…

High Energy Astrophysical Phenomena · Physics 2022-12-21 S. R. Patel

A Decade of TeV Observations of the Gamma-ray Binary HESSJ0632+057 with VERITAS

The gamma-ray binary HESSJ0632+057 (VERJ0633+057) has been observed at very-high energies for a decade by all major systems of imaging atmospheric Cherenkov telescopes. We present here new observations taken by the VERITAS observatory…

High Energy Astrophysical Phenomena · Physics 2017-08-09 S. Schlenstedt

VERITAS Observations of the Galactic Center Ridge

Due to its extraordinarily high concentration of known relativistic particle accelerators such as pulsar wind nebula, supernova remnants, dense molecular cloud regions, and the supermassive black hole (Sgr A*); the center of the Milky Way…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Andrew W. Smith

A Radio Pulsar Search of the Gamma-ray Binaries LS I +61 303 and LS 5039

LS I +61 303 and LS 5039 are exceptionally rare examples of HMXBs with MeV-TeV emission, making them two of only five known or proposed "gamma-ray binaries". There has been disagreement within the literature over whether these systems are…

High Energy Astrophysical Phenomena · Physics 2015-05-28 M. Virginia McSwain , Paul S. Ray , Scott M. Ransom , Mallory S. E. Roberts , Sean M. Dougherty , Guy G. Pooley

Observation of gamma rays up to 320 TeV from the middle-aged TeV pulsar wind nebula HESS J1849$-$000

Gamma rays from HESS J1849$-$000, a middle-aged TeV pulsar wind nebula (PWN), are observed by the Tibet air shower array and the muon detector array. The detection significance of gamma rays reaches $4.0\, \sigma$ and $4.4\, \sigma$ levels…

High Energy Astrophysical Phenomena · Physics 2023-09-29 M. Amenomori , S. Asano , Y. W. Bao , X. J. Bi , D. Chen , T. L. Chen , W. Y. Chen , Xu Chen , Y. Chen , Cirennima , S. W. Cui , Danzengluobu , L. K. Ding , J. H. Fang , K. Fang , C. F. Feng , Zhaoyang Feng , Z. Y. Feng , Qi Gao , A. Gomi , Q. B. Gou , Y. Q. Guo , Y. Y. Guo , Y. Hayashi , H. H. He , Z. T. He , K. Hibino , N. Hotta , Haibing Hu , H. B. Hu , K. Y. Hu , J. Huang , H. Y. Jia , L. Jiang , P. Jiang , H. B. Jin , K. Kasahara , Y. Katayose , C. Kato , S. Kato , I. Kawahara , T. Kawashima , K. Kawata , M. Kozai , D. Kurashige , Labaciren , G. M. Le , A. F. Li , H. J. Li , W. J. Li , Y. Li , Y. H. Lin , B. Liu , C. Liu , J. S. Liu , L. Y. Liu , M. Y. Liu , W. Liu , H. Lu , X. R. Meng , Y. Meng , K. Munakata , K. Nagaya , Y. Nakamura , Y. Nakazawa , H. Nanjo , C. C. Ning , M. Nishizawa , R. Noguchi , M. Ohnishi , S. Okukawa , S. Ozawa , X. Qian , X. L. Qian , X. B. Qu , T. Saito , Y. Sakakibara , M. Sakata , T. Sako , T. K. Sako , T. Sasaki , J. Shao , M. Shibata , A. Shiomi , H. Sugimoto , W. Takano , M. Takita , Y. H. Tan , N. Tateyama , S. Torii , H. Tsuchiya , S. Udo , H. Wang , S. F. Wang , Y. P. Wang , Wangdui , H. R. Wu , Q. Wu , J. L. Xu , L. Xue , Z. Yang , Y. Q. Yao , J. Yin , Y. Yokoe , Y. L. Yu , A. F. Yuan , L. M. Zhai , H. M. Zhang , J. L. Zhang , X. Zhang , X. Y. Zhang , Y. Zhang , Yi Zhang , Ying Zhang , S. P. Zhao , Zhaxisangzhu , X. X. Zhou , Y. H. Zou

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

Observation of LS I +61 303 with VERITAS

The high mass X-ray binary LS I +61 303 has been observed over several months in 2006 and 2007 with the VERITAS array of imaging air-Cherenkov telescopes. A signal of high energy gamma rays with energies above 350 GeV is detected in several…

Astrophysics · Physics 2007-09-25 Gernot Maier

Multi-Wavelength Observation Campaign of the TeV Gamma-Ray Binary HESS J0632+057 with NuSTAR, VERITAS, MDM, and Swift

HESS J0632+057 belongs to a rare subclass of binary systems which emits gamma-rays above 100 GeV. It stands out for its distinctive high-energy light curve, which features a sharp ``primary'' peak and broader ``secondary'' peak. We present…

High Energy Astrophysical Phenomena · Physics 2021-12-15 Y. M. Tokayer , H. An , J. P. Halpern , J. Kim , K. Mori , C. J. Hailey , C. B. Adams , W. Benbow , A. Brill , J. H. Buckley , M. Capasso , M. Errando , A. Falcone , K. A Farrell , G. M Foote , L. Fortson , A. Furniss , A. Gent , C. Giuri , D. Hanna , T. Hassan , O. Hervet , J. Holder , B. Hona , T. B. Humensky , W. Jin , P. Kaaret , M. Kertzman , D. Kieda , M. J. Lang , G. Maier , C. E McGrath , P. Moriarty , R. Mukherjee , M. Nievas-Rosillo , S. O'Brien , R. A. Ong , A. N. Otte , N. Park , S. Patel , K. Pfrang , M. Pohl , R. R. Prado , E. Pueschel , J. Quinn , K. Ragan , P. T. Reynolds , D. Ribeiro , E. Roache , J. L. Ryan , M. Santander , S. Schlenstedt , G. H. Sembroski , A. Weinstein , D. A. Williams , T. J Williamson

VERITAS Observations of the BL Lac Object 1ES 1218+304

The VERITAS collaboration reports the detection of very-high-energy (VHE) gamma-ray emission from the high-frequency-peaked BL Lac object 1ES 1218+304 located at a redshift of z=0.182. A gamma-ray signal was detected with high statistical…

Astrophysics · Physics 2019-08-13 Pascal Fortin

A Search for Pulsations from Geminga Above 100 GeV with VERITAS

We present the results of 71.6 hours of observations of the Geminga pulsar (PSR J0633+1746) with the VERITAS very-high-energy gamma-ray telescope array. Data taken with VERITAS between November 2007 and February 2013 were phase-folded using…

High Energy Astrophysical Phenomena · Physics 2015-06-23 E. Aliu , S. Archambault , A. Archer , T. Aune , A. Barnacka , M. Beilicke , W. Benbow , R. Bird , J. H. Buckley , V. Bugaev , K. Byrum , J. V Cardenzana , M. Cerruti , X. Chen , L. Ciupik , M. P. Connolly , W. Cui , H. J. Dickinson , J. Dumm , J. D. Eisch , M. Errando , A. Falcone , Q. Feng , J. P. Finley , H. Fleischhack , P. Fortin , L. Fortson , A. Furniss , G. H. Gillanders , S. Griffin , S. T. Griffiths , J. Grube , G. Gyuk , N. Hakansson , D. Hanna , J. Holder , T. B. Humensky , C. A. Johnson , P. Kaaret , P. Kar , M. Kertzman , D. Kieda , F. Krennrich , S. Kumar , M. J. Lang , M. Lyutikov , A. S Madhavan , G. Maier , S. McArthur , A. McCann , K. Meagher , J. Millis , P. Moriarty , R. Mukherjee , D. Nieto , A. O'Faolain de Bhroithe , R. A. Ong , A. N. Otte , N. Park , M. Pohl , A. Popkow , H. Prokoph , E. Pueschel , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , G. T. Richards , E. Roache , M. Santander , G. H. Sembroski , K. Shahinyan , A. W. Smith , D. Staszak , I. Telezhinsky , J. V. Tucci , J. Tyler , A. Varlotta , S. Vincent , S. P. Wakely , A. Weinstein , D. A. Williams , A. Zajczyk , B. Zitzer

Probing the Properties of the Pulsar Wind in the Gamma-Ray Binary HESS J0632+057 with NuSTAR and VERITAS Observations

HESS J0632+057 is a gamma-ray binary composed of a compact object orbiting a Be star with a period of about $315$ days. Extensive X-ray and TeV gamma-ray observations have revealed a peculiar light curve containing two peaks, separated by a…

High Energy Astrophysical Phenomena · Physics 2020-01-29 A. Archer , W. Benbow , R. Bird , A. Brill , R. Brose , M. Buchovecky , J. L. Christiansen , A. J. Chromey , W. Cui , A. Falcone , Q. Feng , J. P. Finley , L. Fortson , A. Furniss , A. Gent , G. H. Gillanders , C. Giuri , O. Gueta , D. Hanna , T. Hassan , O. Hervet , J. Holder , G. Hughes , T. B. Humensky , P. Kaaret , N. Kelley-Hoskins , M. Kertzman , D. Kieda , M. Krause , M. J. Lang , G. Maier , P. Moriarty , R. Mukherjee , D. Nieto , M. Nievas-Rosillo , S. O'Brien , R. A. Ong , A. N. Otte , N. Park , A. Petrashyk , K. Pfrang , M. Pohl , R. R. Prado , E. Pueschel , J. Quinn , K. Ragan , P. T. Reynolds , D. Ribeiro , G. T. Richards , E. Roache , I. Sadeh , M. Santander , S. Schlenstedt , G. H. Sembroski , I. Sushch , A. Weinstein , P. Wilcox , A. Wilhelm , D. A. Williams , T. J Williamson , C. J. Hailey , S. Mandel , K. Mori

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

VTSCat: The VERITAS Catalog of Gamma-Ray Observations

The ground-based gamma-ray observatory VERITAS (Very Energetic Radiation Imaging Telescope Array System) is sensitive to photons of astrophysical origin with energies in the range between $\approx 85$ GeV to $\approx 30$ TeV. The instrument…

High Energy Astrophysical Phenomena · Physics 2023-01-16 A. Acharyya , C. B. Adams , A. Archer , P. Bangale , J. T. Bartkoske , P. Batista , W. Benbow , J. H. Buckley , A. Brill , M. Capasso , J. L. Christiansen , A. J. Chromey , M. K. Daniel , M. Errando , A. Falcone , K. A Farrell , Q. Feng , J. P. Finley , G. M Foote , L. Fortson , A. Furniss , G. Gallagher , A. Gent , C. Giuri , O. Gueta , W. F Hanlon , D. Hanna , T. Hassan , O. Hervet , J. Hoang , J. Holder , G. Hughes , T. B. Humensky , W. Jin , P. Kaaret , M. Kertzman , D. Kieda , T. K. Kleiner , N. Korzoun , F. Krennrich , S. Kumar , M. J. Lang , M. Lundy , G. Maier , C. E McGrath , M. J Millard , C. L. Mooney , P. Moriarty , R. Mukherjee , D. Nieto , M. Nievas-Rosillo , S. O'Brien , R. A. Ong , A. N. Otte , D. Pandel , N. Park , S. R. Patel , S. Patel , K. Pfrang , A. Pichel , M. Pohl , R. R. Prado , E. Pueschel , J. Quinn , K. Ragan , P. T. Reynolds , D. Ribeiro , G. T. Richards , E. Roache , A. C. Rovero , C. Rulten , J. L. Ryan , I. Sadeh , M. Santander , S. Schlenstedt , G. H. Sembroski , R. Shang , M. Splettstoesser , B. Stevenson , D. Tak , V. V. Vassiliev , S. P. Wakely , A. Weinstein , D. A. Williams , T. J Williamson , L. Angelini , A. Basu-Zych , E. Sabol , A. Smale

Revisiting HESS J1809$-$193 -- a very-high-energy gamma-ray source in a fascinating environment

HESS J1809$-$193 is one of the unidentified very-high-energy gamma-ray sources in the H.E.S.S. Galactic Plane Survey (HGPS). It is located in a rich environment, with an energetic pulsar and associated X-ray pulsar wind nebula, several…

High Energy Astrophysical Phenomena · Physics 2023-01-19 Lars Mohrmann , Vikas Joshi , Jim Hinton , Stefan Funk

Discovery of two candidate pulsar wind nebulae in very-high-energy gamma rays

We present the discovery of two very-high-energy gamma-ray sources in an ongoing systematic search for emission above 100 GeV from pulsar wind nebulae in survey data from the H.E.S.S. telescope array. Imaging Atmospheric Cherenkov…

Astrophysics · Physics 2012-08-27 H. E. S. S. Collaboration , : , F. Aharonian

VHE Observations of Galactic binary systems with VERITAS

A few Galactic objects are known to be variable sources of photons with energies above 100 GeV. These systems are mostly binaries, where variability can often be connected to the orbital period. Particle acceleration and gamma-ray…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Gernot Maier

Observation of TeV gamma-rays from the unidentified source HESS J1841-055 with the ARGO-YBJ experiment

We report the observation of a very high energy \gamma-ray source, whose position is coincident with HESS J1841-055. This source has been observed for 4.5 years by the ARGO-YBJ experiment from November 2007 to July 2012. Its emission is…

High Energy Astrophysical Phenomena · Physics 2013-04-04 YBJ Collaboration , B. Bartoli , P. Bernardini , X. J. Bi , I. Bolognino , P. Branchini , A. Budano , A. K. Calabrese Melcarne , P. Camarri , Z. Cao , R. Cardarelli , S. Catalanotti , C. Cattaneo , S. Z. Chen , T. L. Chen , Y. Chen , P. Creti , S. W. Cui , B. Z. Dai , G. DAli Staiti , A. DAmone , Danzengluobu , I. De Mitri , B. DEttorre Piazzoli , T. Di Girolamo , X. H. Ding , G. Di Sciascio , C. F. Feng , Zhaoyang Feng , Zhenyong Feng , F. Galeazzi , E. Giroletti , Q. B. Gou , Y. Q. Guo , H. H. He , Haibing Hu , Hongbo Hu , Q. Huang , M. Iacovacci , R. Iuppa , I. James , H. Y. Jia , Labaciren , H. J. Li , J. Y. Li , X. X. Li , G. Liguori , C. Liu , C. Q. 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 , A. Pagliaro , M. Panareo , B. Panico , L. Perrone , P. Pistilli , F. Ruggieri , P. Salvini , R. Santonico , S. N. Sbano , P. R. Shen , X. D. Sheng , F. Shi , A. Surdo , Y. H. Tan , P. Vallania , S. Vernetto , C. Vigorito , B. Wang , H. Wang , C. Y. Wu , H. R. Wu , B. Xu , L. Xue , Q. Y. Yang , X. C. Yang , Z. G. Yao , A. F. Yuan , M. Zha , H. M. Zhang , Jilong Zhang , Jianli Zhang , L. Zhang , P. Zhang , X. Y. Zhang , Y. Zhang , J. Zhao , Zhaxiciren , Zhaxisangzhu , X. X. Zhou , F. R. Zhu , Q. Q. Zhu , G. Zizzi

VHE observations of the gamma-ray binary system LS 5039 with H.E.S.S

LS 5039 is a gamma-ray binary system observed in a broad energy range, from radio to TeV energies. The binary system exhibits both flux and spectral modulation as a function of its orbital period. The X-ray and very-high-energy (VHE, E >…

High Energy Astrophysical Phenomena · Physics 2019-08-14 C. Mariaud , P. Bordas , F. Aharonian , M. Boettcher , G. Dubus , M. de Naurois , C. Romoli , V. Zabalza

Discovery of VHE Gamma-ray Emission from the Starburst Galaxy M82

The galaxy M82 has long been considered a promising target for VHE gamma-ray observations because of the compact starburst region in its core. Theoretical predictions have suggested it should be detectable by ground-based imaging Cherenkov…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Niklas Karlsson