Related papers: TeV gamma rays from PSR 1706-44

Very high energy gamma rays from the composite SNR G0.9+0.1

Very high energy (> 100 GeV) gamma-ray emission has been detected for the first time from the composite supernova remnant G0.9+0.1 using the H.E.S.S. instrument. The source is detected with a significance of 13 sigma, and a photon flux…

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

Absence of TeV halos around millisecond pulsars

TeV halos are extended very-high-energy (VHE; 0.1-100 TeV) gamma-ray emission around middle-aged pulsars. So far they have only been found around isolated pulsars, but it has been suggested that they may also be powered by millisecond…

High Energy Astrophysical Phenomena · Physics 2025-05-02 A. U. Abeysekara , R. Alfaro , C. Alvarez , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , R. Babu , E. Belmont-Moreno , A. Bernal , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , U. Cotti , J. Cotzomi , S. Coutiño de León , E. De la Fuente , D. Depaoli , P. Desiati , N. Di Lalla , R. Diaz Hernandez , M. A. DuVernois , J. C. Díaz-Vélez , K. Engel , T. Ergin , K. L. Fan , K. Fang , N. Fraija , S. Fraija , J. A. García-González , F. Garfias , M. M. González , J. A. Goodman , J. P. Harding , S. Hernández-Cadena , D. Huang , F. Hueyotl-Zahuantitla , A. Iriarte , S. Kaufmann , D. Kieda , A. Lara , J. Lee , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , K. Malone , O. Martinez , J. Martínez-Castro , J. A. Matthews , P. Miranda-Romagnoli , J. A. Morales-Soto , E. Moreno , M. Mostafá , M. Najafi , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , N. Omodei , Y. Pérez Araujo , E. G. Pérez-Pérez , C. D. Rho , D. Rosa-González , E. Ruiz-Velasco , M. A. Roth , H. Salazar , A. Sandoval , J. Serna-Franco , Y. Son , R. W. Springer , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , R. Turner , F. Ureña-Mena , E. Varela , L. Villaseñor , X. Wang , Z. Wang , I. J. Watson , H. Wu , S. Yu , C. de León

The high-energy gamma-ray fluence and energy spectrum of GRB 970417a from observations with Milagrito

Evidence of TeV emission from GRB970417a has been previously reported using data from the Milagrito detector. Constraints on the TeV fluence and the energy spectrum are now derived using additional data from a scaler system that recorded…

Astrophysics · Physics 2008-11-26 R. Atkins , W. Benbow , D. Berley , M. L. Chen , D. G. Coyne , B. L. Dingus , D. E. Dorfan , R. W. Ellsworth , D. Evans , A. Falcone , L. Fleysher , R. Fleysher , G. Gisler , M. M. Gonzalez Sanchez , J. A. Goodman , T. J. Haines , C. M. Hoffman , S. Hugenberger , L. A. Kelley , S. Klein , I. Leonor , J. F. McCullough , J. E. McEnery , R. S. Miller , A. I. Mincer , M. F. Morales , P. Nemethy , J. M. Ryan , F. W. Samuelson , B. Shen , A. Shoup , C. Sinnis , A. J. Smith , G. W. Sullivan , T. Tumer , K. Wang , M. O. Wascko , S. Westerhoff , D. A. Williams , T. Yang , G. B. Yodh

TeV gamma rays from the blazar H 1426+428 and the diffuse extragalactic background radiation

The detection of TeV gamma-rays from the blazar H 1426+428 at an integral flux level of (4 +- 2(stat) +- 1(syst)) 10^(-12) erg cm^(-2) s^(-1) above 1 TeV with the HEGRA imaging atmospheric Cherenkov telescope system is reported. H 1426+428…

Astrophysics · Physics 2007-05-23 HEGRA Collaboration , F. Aharonian

Evidence for TeV Gamma-Ray Emission from the Galactic Plane

Gamma-ray emission from a narrow band at the Galactic equator has previously been detected up to 30 GeV. We report evidence for a TeV gamma-ray signal from the Galactic plane by Milagro, a large field of view water Cherenkov detector for…

Astrophysics · Physics 2012-08-27 the Milagro Collaboration

A Search for Pulsed TeV Gamma Ray Emission from the Crab Pulsar

We present the results of a search for pulsed TeV emission from the Crab pulsar using the Whipple Observatory's 10m gamma-ray telescope. The direction of the Crab pulsar was observed for a total of 73.4 hours between 1994 November and 1997…

Astrophysics · Physics 2007-05-23 A. M. Burdett , I. H. Bond , P. J. Boyle , S. M. Bradbury , J. H. Buckley , D. A. Carter-Lewis , M. Catanese , M. F. Cawley , M. D'Vali , D. J. Fegan , S. J. Fegan , J. P. Finley , J. A. Gaidos , G. H. Gillanders , T. A. Hall , A. M. Hillas , J. Kildea , J. Knapp , F. Krennrich , M. J. Lang , S. LeBohec , R. W. Lessard , C. Masterson , P. Moriarty , J. Quinn , H. J. Rose , F. W. Samuelson , G. H. Sembroski , R. Srinivasan , V. V. Vassiliev , T. C. Weekes

Search for Pulsed VHE gamma-ray Emission from Young Pulsars with H.E.S.S

Pulsars are commonly regarded as highly magnetized neutron stars, rotating up to several hundred times per second. Over 1,500 radio pulsars have been found so far, about 70 of which are X-ray pulsars, but only a handful have been observed…

Astrophysics · Physics 2019-08-14 A. Konopelko , P. Chadwick , T. Eifert , T. Lohse , A. Noutsos , S. Rayner , F. Schmidt , U. Schwanke , Ch. Stegmann

Pulsed Gamma-rays from PSR J2021+3651 with the Fermi Large Area Telescope

We report the detection of pulsed gamma-rays from the young, spin-powered radio pulsar PSR J2021+3651 using data acquired with the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope (formerly GLAST). The light curve consists…

High Energy Astrophysical Phenomena · Physics 2009-07-22 A. A. Abdo

CANGAROO-III observation of TeV gamma rays from the unidentified gamma-ray source HESS J1614-518

We report the detection, with the CANGAROO-III imaging atmospheric Cherenkov telescope array, of a very high energy gamma-ray signal from the unidentified gamma-ray source HESS J1614-518, which was discovered in the H.E.S.S. Galactic plane…

High Energy Astrophysical Phenomena · Physics 2015-05-28 T. Mizukami , H. Kubo , T. Yoshida , T. Nakamori , R. Enomoto , T. Tanimori , M. Akimoto , G. V. Bicknell , R. W. Clay , P. G. Edwards , S. Gunji , S. Hara , T. Hara , S. Hayashi , H. Ishioka , S. Kabuki , F. Kajino , H. Katagiri , A. Kawachi , T. Kifune , R. Kiuchi , T. Kunisawa , J. Kushida , T. Matoba , Y. Matsubara , I. Matsuzawa , Y. Mizumura , Y. Mizumoto , M. Mori , H. Muraishi , T. Naito , K. Nakayama , K. Nishijima , M. Ohishi , Y. Otake , S. Ryoki , K. Saito , Y. Sakamoto , V. Stamatescu , T. Suzuki , D. L. Swaby , G. Thornton , F. Tokanai , Y. Toyota , K. Tsuchiya , S. Yanagita , Y. Yokoe , T. Yoshikoshi , Y. Yukawa

Two Candidate Pulsar TeV Halos Identified from Property-Similarity Studies

TeV halos have been suggested as a common phenomenon associated with middle-aged pulsars. Based on our recent work on PSR~J0631+1036, which is the only known source positionally coincident with a hard TeV gamma-ray source and likely powers…

High Energy Astrophysical Phenomena · Physics 2023-10-10 Dong Zheng , Zhongxiang Wang

Discovery of VHE $\gamma$-ray emission from the SNR G54.1+0.3

We report the discovery of very high energy gamma-ray emission from the direction of the SNR G54.1+0.3 using the VERITAS ground-based gamma-ray observatory. The TeV signal has an overall significance of 6.8$\sigma$ and appears point-like…

High Energy Astrophysical Phenomena · Physics 2016-08-14 V. A. Acciari , E. Aliu , T. Arlen , T. Aune , M. Bautista , M. Beilicke , W. Benbow , D. Boltuch , S. M. Bradbury , J. H. Buckley , V. Bugaev , Y. Butt , K. Byrum , A. Cesarini , L. Ciupik , W. Cui , R. Dickherber , C. Duke , J. P. Finley , G. Finnegan , L. Fortson , A. Furniss , N. Galante , D. Gall , G. H. Gillanders , S. Godambe , E. V. Gotthelf , J. Grube , R. Guenette , G. Gyuk , D. Hanna , J. Holder , 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 , S. LeBohec , G. Maier , S. McArthur , A. McCann , M. McCutcheon , P. Moriarty , R. Muhkerjee , R. A. Ong , A. N. Otte , D. Pandel , J. S. Perkins , M. Pohl , J. Quinn , K. Ragan , L. C. Reyes , P. T. Reynolds , E. Roache , H. J. Rose , M. Schroedter , G. H. Sembroski , G. Demet Senturk , P. Slane , A. W. Smith , D. Steele , S. P. Swordy , G. Těsić , M. Theiling , S. Thibadeau , V. V. Vassiliev , S. Vincent , S. P. Wakely , J. E. Ward , T. C. Weekes , A. Weinstein , T. Weisgarber , D. A. Williams , S. Wissel , M. Wood , B. Zitzer

A Search for TeV Gamma-ray Emission from Pulsar Tails by VERITAS

We report on the search for very-high-energy gamma-ray emission from the regions around three nearby supersonic pulsars (PSR B0355+54, PSR J0357+3205 and PSR J1740+1000) that exhibit long X-ray tails. To date there is no clear detection of…

High Energy Astrophysical Phenomena · Physics 2021-08-18 Wystan Benbow , A. Brill , James Buckley , M Capasso , A Chromey , M. Errando , Abraham Falcone , K. A. Farrell , Qi Feng , J Finley , G. M. Foote , Lucy Fortson , Amy Furniss , Alasdair Gent , C Giuri , David Hanna , Tarek Hassan , Olivier Hervet , Jamie Holder , G Hughes , T. B. Humensky , Weidong Jin , Philip Kaaret , Oleg Kargaltsev , Mary P. Kertzman , David Kieda , Noel Klingler , Sajan Kumar , M Lang , M Lundy , Gernot Maier , C. E. McGrath , Patrick Moriarty , Reshmi Mukherjee , D Nieto , M Nievas-Rosillo , S O'Brien , Rene A. Ong , A. N. Otte , S. Patel , Konstantin Pfrang , Martin Pohl , Raul Prado , John Quinn , Kenneth J. Ragan , P. , T. Reynolds , D Ribeiro , G. T. Richards , Emmet Thomas Roache , James Ryan , Marcos Santander , Glenn H Sembroski , R Shang , Igor Volkov , S. P Wakely , Amanda Weinstein , P. Wilcox , D. A. Williams

TeV Measurements of Young Pulsars and Supernova Remnants

Observations have been made with the University of Durham Mark 6 telescope of a number of supernova remnants and young pulsars (Vela pulsar, PSR B1055-52, PSR J1105-6107, PSR J0537-6910 and PSR B0540-69). No VHE gamma ray emission, either…

Astrophysics · Physics 2019-08-17 P. M. Chadwick , K. Lyons , T. J. L. McComb , K. J. Orford , M. G. G. O'Connell , J. L. Osborne , S. M. Rayner , S. E. Shaw , K. E. Turver

Gamma-ray halos around pulsars: impact on pulsar wind physics and galactic cosmic ray transport

TeV haloes are a recently discovered class of very high energy gamma-ray emitters. These sources consist of extended regions of multi-TeV emission, originally observed around the two well-known and nearby pulsars, Geminga and PSR B0656+14…

High Energy Astrophysical Phenomena · Physics 2024-09-04 Elena Amato , Sarah Recchia

Diffuse high energy neutrinos and cosmic rays from hyperflares of soft-gamma repeaters

We calculate the diffuse high energy (TeV - PeV) neutrino emission from hyperflares of Soft-Gamma Repeaters (SGRs), like the hyperflare risen from \astrobj{SGR 1806-20} on December 27 of 2004, within the framework of the fireball model. The…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Xue-Wen Liu , Xue-Feng Wu , Tan Lu

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

Chandra View of the Unidentified TeV Gamma-ray Source HESS J1804-216

We present high-resolution X-ray images taken with the Chandra X-ray Observatory of the field that contains the unidentified TeV gamma-ray source HESS J1804-216. A total of eleven discrete sources were detected with a posteriori…

Astrophysics · Physics 2009-11-11 Wei Cui , Alexander Konopelko

New Results from High Energy Gamma-Ray Astronomy

High energy gamma-ray astronomy has recently made significant progresss through ground-based instruments like the {\it H.E.S.S.} array of imaging atmospheric Cherenkov telescopes. The unprecedented angular resolution and the large field of…

Astrophysics · Physics 2009-11-11 Heinrich J. Voelk

Search for PeV Gamma-Ray Emission from the Southern Hemisphere with 5 Years of Data from the IceCube Observatory

The measurement of diffuse PeV gamma-ray emission from the Galactic plane would provide information about the energy spectrum and propagation of Galactic cosmic rays, and the detection of a point-like source of PeV gamma rays would be…

High Energy Astrophysical Phenomena · Physics 2020-03-03 M. G. Aartsen , M. Ackermann , J. Adams , J. A. Aguilar , M. Ahlers , M. Ahrens , C. Alispach , K. Andeen , T. Anderson , I. Ansseau , G. Anton , C. Argüelles , J. Auffenberg , S. Axani , P. Backes , H. Bagherpour , X. Bai , A. Balagopal V. , A. Barbano , S. W. Barwick , B. Bastian , V. Baum , S. Baur , R. Bay , J. J. Beatty , K. -H. Becker , J. Becker Tjus , S. BenZvi , D. Berley , E. Bernardini , D. Z. Besson , G. Binder , D. Bindig , E. Blaufuss , S. Blot , C. Bohm , M. Börner , S. Böser , O. Botner , J. Böttcher , E. Bourbeau , J. Bourbeau , F. Bradascio , J. Braun , S. Bron , J. Brostean-Kaiser , A. Burgman , J. Buscher , R. S. Busse , T. Carver , C. Chen , E. Cheung , D. Chirkin , S. Choi , K. Clark , L. Classen , A. Coleman , G. H. Collin , J. M. Conrad , P. Coppin , P. Correa , D. F. Cowen , R. Cross , P. Dave , C. De Clercq , J. J. DeLaunay , H. Dembinski , K. Deoskar , S. De Ridder , P. Desiati , K. D. de Vries , G. de Wasseige , M. de With , T. DeYoung , A. Diaz , J. C. Díaz-Vélez , H. Dujmovic , M. Dunkman , E. Dvorak , B. Eberhardt , T. Ehrhardt , P. Eller , R. Engel , P. A. Evenson , S. Fahey , A. R. Fazely , J. Felde , K. Filimonov , C. Finley , A. Franckowiak , E. Friedman , A. Fritz , T. K. Gaisser , J. Gallagher , E. Ganster , S. Garrappa , L. Gerhardt , K. Ghorbani , T. Glauch , T. Glüsenkamp , A. Goldschmidt , J. G. Gonzalez , D. Grant , Z. Griffith , S. Griswold , M. Günder , M. Gündüz , C. Haack , A. Hallgren , L. Halve , F. Halzen , K. Hanson , A. Haungs , D. Hebecker , D. Heereman , P. Heix , K. Helbing , R. Hellauer , F. Henningsen , S. Hickford , J. Hignight , G. C. Hill , K. D. Hoffman , R. Hoffmann , T. Hoinka , B. Hokanson-Fasig , K. Hoshina , F. Huang , M. Huber , T. Huber , K. Hultqvist , M. Hünnefeld , R. Hussain , S. In , N. Iovine , A. Ishihara , G. S. Japaridze , M. Jeong , K. Jero , B. J. P. Jones , F. Jonske , R. Joppe , D. Kang , W. Kang , A. Kappes , D. Kappesser , T. Karg , M. Karl , A. Karle , U. Katz , M. Kauer , J. L. Kelley , A. Kheirandish , J. Kim , T. Kintscher , J. Kiryluk , T. Kittler , S. R. Klein , R. Koirala , H. Kolanoski , L. Köpke , C. Kopper , S. Kopper , D. J. Koskinen , M. Kowalski , K. Krings , G. Krückl , N. Kulacz , N. Kurahashi , A. Kyriacou , M. Labare , J. L. Lanfranchi , M. J. Larson , F. Lauber , J. P. Lazar , K. Leonard , A. Leszczyńska , M. Leuermann , Q. R. Liu , E. Lohfink , C. J. Lozano Mariscal , L. Lu , F. Lucarelli , J. Lünemann , W. Luszczak , Y. Lyu , W. Y. Ma , J. Madsen , G. Maggi , K. B. M. Mahn , Y. Makino , P. Mallik , K. Mallot , S. Mancina , I. C. Mariş , R. Maruyama , K. Mase , R. Maunu , F. McNally , K. Meagher , M. Medici , A. Medina , M. Meier , S. Meighen-Berger , T. Menne , G. Merino , T. Meures , J. Micallef , D. Mockler , G. Momenté , T. Montaruli , R. W. Moore , R. Morse , M. Moulai , P. Muth , R. Nagai , U. Naumann , G. Neer , H. Niederhausen , S. C. Nowicki , D. R. Nygren , A. Obertacke Pollmann , M. Oehler , A. Olivas , A. O'Murchadha , E. O'Sullivan , T. Palczewski , H. Pandya , D. V. Pankova , N. Park , P. Peiffer , C. Pérez de los Heros , S. Philippen , D. Pieloth , E. Pinat , A. Pizzuto , M. Plum , A. Porcelli , P. B. Price , G. T. Przybylski , C. Raab , A. Raissi , M. Rameez , L. Rauch , K. Rawlins , I. C. Rea , R. Reimann , B. Relethford , M. Renschler , G. Renzi , E. Resconi , W. Rhode , M. Richman , S. Robertson , M. Rongen , C. Rott , T. Ruhe , D. Ryckbosch , D. Rysewyk , I. Safa , S. E. Sanchez Herrera , A. Sandrock , J. Sandroos , M. Santander , S. Sarkar , S. Sarkar , K. Satalecka , M. Schaufel , H. Schieler , P. Schlunder , T. Schmidt , A. Schneider , J. Schneider , F. G. Schröder , L. Schumacher , S. Sclafani , D. Seckel , S. Seunarine , S. Shefali , M. Silva , R. Snihur , J. Soedingrekso , D. Soldin , M. Song , G. M. Spiczak , C. Spiering , J. Stachurska , M. Stamatikos , T. Stanev , R. Stein , P. Steinmüller , J. Stettner , A. Steuer , T. Stezelberger , R. G. Stokstad , A. Stössl , N. L. Strotjohann , T. Stürwald , T. Stuttard , G. W. Sullivan , I. Taboada , F. Tenholt , S. Ter-Antonyan , A. Terliuk , S. Tilav , K. Tollefson , L. Tomankova , C. Tönnis , S. Toscano , D. Tosi , A. Trettin , M. Tselengidou , C. F. Tung , A. Turcati , R. Turcotte , C. F. Turley , B. Ty , E. Unger , M. A. Unland Elorrieta , M. Usner , J. Vandenbroucke , W. Van Driessche , D. van Eijk , N. van Eijndhoven , S. Vanheule , J. van Santen , M. Vraeghe , C. Walck , A. Wallace , M. Wallraff , N. Wandkowsky , T. B. Watson , C. Weaver , A. Weindl , M. J. Weiss , J. Weldert , C. Wendt , J. Werthebach , B. J. Whelan , N. Whitehorn , K. Wiebe , C. H. Wiebusch , L. Wille , D. R. Williams , L. Wills , M. Wolf , J. Wood , T. R. Wood , K. Woschnagg , G. Wrede , D. L. Xu , X. W. Xu , Y. Xu , J. P. Yanez , G. Yodh , S. Yoshida , T. Yuan , M. Zöcklein

TeV-PeV Neutrinos from Giant Flares of Magnetars and the Case of SGR 1806-20

We estimate the high energy neutrino flux from the giant flare of SGR 1806-20 on December 27, 2004, which irradiated Earth with a gamma-ray flux ~10^4 times larger than the most luminous gamma-ray bursts (GRBs) ever detected. The Antarctic…

Astrophysics · Physics 2009-11-10 Kunihito Ioka , Soebur Razzaque , Shiho Kobayashi , Peter Meszaros