Related papers: Extending the H.E.S.S. Galactic Plane Survey

An extreme particle accelerator in the Galactic plane: HESS J1826$-$130

The unidentified very-high-energy (VHE; E $>$ 0.1 TeV) $\gamma$-ray source, HESS J1826$-$130, was discovered with the High Energy Stereoscopic System (HESS) in the Galactic plane. The analysis of 215 h of HESS data has revealed a steady…

High Energy Astrophysical Phenomena · Physics 2021-01-04 H. E. S. S. Collaboration , H. Abdalla , R. Adam , F. Aharonian , F. Ait Benkhali , E. O. Angüner , C. Arcaro , C. Armand , T. Armstrong , H. Ashkar , M. Backes , V. Baghmanyan , V. Barbosa Martins , A. Barnacka , M. Barnard , Y. Becherini , D. Berge , K. Bernlöhr , B. Bi , M. Böttcher , C. Boisson , J. Bolmont , M. de Bony de Lavergne , P. Bordas , M. Breuhaus , F. Brun , P. Brun , M. Bryan , M. Büchele , T. Bulik , T. Bylund , S. Caroff , A. Carosi , S. Casanova , T. Chand , S. Chandra , A. Chen , G. Cotter , M. Curyło , J. Damascene Mbarubucyeye , I. D. Davids , J. Davies , C. Deil , J. Devin , P. deWilt , L. Dirson , A. Djannati-Ataï , A. Dmytriiev , A. Donath , V. Doroshenko , C. Duffy , J. Dyks , K. Egberts , F. Eichhorn , S. Einecke , G. Emery , J. -P. Ernenwein , K. Feijen , S. Fegan , A. Fiasson , G. Fichet de Clairfontaine , G. Fontaine , S. Funk , M. Füßling , S. Gabici , Y. A. Gallant , G. Giavitto , L. Giunti , D. Glawion , J. F. Glicenstein , D. Gottschall , M. -H. Grondin , J. Hahn , M. Haupt , G. Hermann , J. A. Hinton , W. Hofmann , C. Hoischen , T. L. Holch , M. Holler , M. Hörbe , D. Horns , D. Huber , M. Jamrozy , D. Jankowsky , F. Jankowsky , A. Jardin-Blicq , V. Joshi , I. Jung-Richardt , E. Kasai , M. A. Kastendieck , K. Katarzyński , U. Katz , D. Khangulyan , B. Khélifi , S. Klepser , W. Kluźniak , Nu. Komin , R. Konno , K. Kosack , D. Kostunin , M. Kreter , G. Lamanna , A. Lemière , M. Lemoine-Goumard , J. -P. Lenain , C. Levy , T. Lohse , I. Lypova , J. Mackey , J. Majumdar , D. Malyshev , D. Malyshev , V. Marandon , P. Marchegiani , A. Marcowith , A. Mares , G. Martí-Devesa , R. Marx , G. Maurin , P. J. Meintjes , M. Meyer , A. Mitchell , R. Moderski , M. Mohamed , L. Mohrmann , A. Montanari , C. Moore , P. Morris , E. Moulin , J. Muller , T. Murach , K. Nakashima , A. Nayerhoda , M. de Naurois , H. Ndiyavala , F. Niederwanger , J. Niemiec , L. Oakes , P. O'Brien , H. Odaka , S. Ohm , L. Olivera-Nieto , E. de Ona Wilhelmi , M. Ostrowski , I. Oya , M. Panter , S. Panny , R. D. Parsons , G. Peron , B. Peyaud , Q. Piel , S. Pita , V. Poireau , A. Priyana Noel , D. A. Prokhorov , H. Prokoph , G. Pühlhofer , M. Punch , A. Quirrenbach , S. Raab , R. Rauth , P. Reichherzer , A. Reimer , O. Reimer , Q. Remy , M. Renaud , F. Rieger , L. Rinchiuso , C. Romoli , G. Rowell , B. Rudak , E. Ruiz-Velasco , V. Sahakian , S. Sailer , D. A. Sanchez , A. Santangelo , M. Sasaki , M. Scalici , F. Schüssler , H. M. Schutte , U. Schwanke , S. Schwemmer , M. Seglar-Arroyo , M. Senniappan , A. S. Seyffert , N. Shafi , K. Shiningayamwe , R. Simoni , A. Sinha , H. Sol , A. Specovius , S. Spencer , M. Spir-Jacob , Ł. Stawarz , L. Sun , R. Steenkamp , C. Stegmann , S. Steinmassl , C. Steppa , T. Takahashi , T. Tavernier , A. M. Taylor , R. Terrier , D. Tiziani , M. Tluczykont , L. Tomankova , C. Trichard , M. Tsirou , R. Tuffs , Y. Uchiyama , D. J. van der Walt , C. van Eldik , C. van Rensburg , B. van Soelen , G. Vasileiadis , J. Veh , C. Venter , P. Vincent , J. Vink , H. J. Völk , T. Vuillaume , Z. Wadiasingh , S. J. Wagner , J. Watson , F. Werner , R. White , A. Wierzcholska , Yu Wun Wong , A. Yusafzai , M. Zacharias , R. Zanin , D. Zargaryan , A. A. Zdziarski , A. Zech , S. J. Zhu , A. Ziegler , J. Zorn , S. Zouari , N. Żywucka

Discovery of VHE gamma-rays from the radio galaxy PKS 0625-354 with H.E.S.S

Most of the extragalactic objects detected so far in the very high energy (VHE) regime are blazars, but the discovered nearby radio galaxies: M87, Cen A and NGC 1275 of type FRI seem to constitute a new class of VHE emitters. The radio…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Michal Dyrda , Alicja Wierzcholska , Olivier Hervet , Rafal Moderski , Mateusz Janiak , Michał Ostrowski , Łukasz Stawarz

A future very-high-energy view of our Galaxy

The survey of the inner Galaxy with H.E.S.S. was remarkably successful in detecting a wide range of new very-high-energy gamma-ray sources. New TeV gamma-ray emitting source classes were established, although several of the sources remain…

Astrophysics of Galaxies · Physics 2015-05-13 S. Funk , J. A. Hinton , G. Hermann , S. Digel

Discovery of VHE Gamma Rays from PKS 2005-489

The high-frequency peaked BL Lac PKS 2005-489 (z=0.071) was observed in 2003 and 2004 with the H.E.S.S. stereoscopic array of imaging atmospheric-Cherenkov telescopes in Namibia. A signal was detected at the 6.7 sigma level in the 2004…

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

H.E.S.S. Observations of PKS 2155-304

The high-frequency peaked BL Lac PKS 2155-304 at redshift z=0.117 has been detected with high significance (~45 sigma) at energies greater than 160 GeV, using the H.E.S.S. stereoscopic array of imaging air-Cherenkov telescopes in Namibia. A…

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

Ground-based gamma-ray astronomy: history and development of techniques

Very High Energy (VHE) gamma rays constitute one of the main pillars of high energy astrophysics. Gamma rays are produced under extreme relativistic conditions in the Universe. VHE gamma$ rays can be detected indirectly on the ground.…

Instrumentation and Methods for Astrophysics · Physics 2022-03-09 D. Bose , V. R. Chitnis , P. Majumdar , B. S. Acharya

Impact of H.E.S.S. Lidar profiles on Crab Nebula data

The H.E.S.S. experiment in Namibia is a high-energy gamma-ray telescope sensitive in the energy range from 30 GeV to a several tens of TeV, that uses the atmospheric Cherenkov technique to detect showers developed within the atmosphere. The…

Instrumentation and Methods for Astrophysics · Physics 2019-01-23 J. Devin , J. Bregeon , G. Vasileiadis , Y. A. Gallant

Measurement of ultra-high-energy diffuse gamma-ray emission of the Galactic plane from 10 TeV to 1 PeV with LHAASO-KM2A

The diffuse Galactic $\gamma$-ray emission, mainly produced via interactions between cosmic rays and the interstellar medium and/or radiation field, is a very important probe of the distribution, propagation, and interaction of cosmic rays…

High Energy Astrophysical Phenomena · Physics 2024-03-11 Zhen Cao , F. Aharonian , Q. An , Axikegu , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , J. T. Cai , Q. Cao , W. Y. Cao , Zhe Cao , J. Chang , J. F. Chang , A. M. Chen , E. S. Chen , Liang Chen , Lin Chen , Long Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , Y. Chen , N. Cheng , Y. D. Cheng , M. Y. Cui , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , D. della Volpe , X. Q. Dong , K. K. Duan , J. H. Fan , Y. Z. Fan , J. Fang , K. Fang , C. F. Feng , L. Feng , S. H. Feng , X. T. Feng , Y. L. Feng , S. Gabici , B. Gao , C. D. Gao , L. Q. Gao , Q. Gao , W. Gao , W. K. Gao , M. M. Ge , L. S. Geng , G. Giacinti , G. H. Gong , Q. B. Gou , M. H. Gu , F. L. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , Y. A. Han , H. H. He , H. N. He , J. Y. He , X. B. He , Y. He , M. Heller , Y. K. Hor , B. W. Hou , C. Hou , X. Hou , H. B. Hu , Q. Hu , S. C. Hu , D. H. Huang , T. Q. Huang , W. J. Huang , X. T. Huang , X. Y. Huang , Y. Huang , Z. C. Huang , X. L. Ji , H. Y. Jia , K. Jia , K. Jiang , X. W. Jiang , Z. J. Jiang , M. Jin , M. M. Kang , T. Ke , D. Kuleshov , K. Kurinov , B. B. Li , Cheng Li , Cong Li , D. Li , F. Li , H. B. Li , H. C. Li , H. Y. Li , J. Li , Jian Li , Jie Li , K. Li , W. L. Li , W. L. Li , X. R. Li , Xin Li , Y. Z. Li , Zhe Li , Zhuo Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , H. Liu , H. D. Liu , J. Liu , J. L. Liu , J. Y. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , Y. Liu , Y. N. Liu , R. Lu , Q. Luo , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , J. R. Mao , Z. Min , W. Mitthumsiri , H. J. Mu , Y. C. Nan , A. Neronov , Z. W. Ou , B. Y. Pang , P. Pattarakijwanich , Z. Y. Pei , M. Y. Qi , Y. Q. Qi , B. Q. Qiao , J. J. Qin , D. Ruffolo , A. Saiz , D. Semikoz , C. Y. Shao , L. Shao , O. Shchegolev , X. D. Sheng , F. W. Shu , H. C. Song , Yu. V. Stenkin , V. Stepanov , Y. Su , Q. N. Sun , X. N. Sun , Z. B. Sun , P. H. T. Tam , Q. W. Tang , Z. B. Tang , W. W. Tian , C. Wang , C. B. Wang , G. W. Wang , H. G. Wang , H. H. Wang , J. C. Wang , K. Wang , L. P. Wang , L. Y. Wang , P. H. Wang , R. Wang , W. Wang , X. G. Wang , X. Y. Wang , Y. Wang , Y. D. Wang , Y. J. Wang , Z. H. Wang , Z. X. Wang , Zhen Wang , Zheng Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , C. Y. Wu , H. R. Wu , S. Wu , X. F. Wu , Y. S. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , D. X. Xiao , G. Xiao , G. G. Xin , Y. L. Xin , Y. Xing , Z. Xiong , D. L. Xu , R. F. Xu , R. X. Xu , W. L. Xu , L. Xue , D. H. Yan , J. Z. Yan , T. Yan , C. W. Yang , F. Yang , F. F. Yang , H. W. Yang , J. Y. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , S. B. Yang , Y. H. Yao , Z. G. Yao , Y. M. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Y. H. Yu , Q. Yuan , H. Yue , H. D. Zeng , T. X. Zeng , W. Zeng , M. Zha , B. B. Zhang , F. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , L. X. Zhang , Li Zhang , P. F. Zhang , P. P. Zhang , R. Zhang , S. B. Zhang , S. R. Zhang , S. S. Zhang , X. Zhang , X. P. Zhang , Y. F. Zhang , Yi Zhang , Yong Zhang , B. Zhao , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , F. Zheng , B. Zhou , H. Zhou , J. N. Zhou , M. Zhou , P. Zhou , R. Zhou , X. X. Zhou , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , X. Zuo

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

Search for VHE Gamma-Ray Emission from Young SNe with H.E.S.S

Supernova (SN) remnants are a well motivated candidate for the acceleration sites of cosmic rays with energies up to the knee (10^15 eV). It has been suggested that also young SNe (~<1 year after the explosion) may be able to accelerate…

High Energy Astrophysical Phenomena · Physics 2019-08-14 D. Lennarz

H.E.S.S. follow-up observations of GRB221009A

GRB221009A is the brightest gamma-ray burst ever detected. To probe the very-high-energy (VHE, $>$\!100 GeV) emission, the High Energy Stereoscopic System (H.E.S.S.) began observations 53 hours after the triggering event, when the…

High Energy Astrophysical Phenomena · Physics 2023-04-12 H. E. S. S. Collaboration , : , F. Aharonian , F. Ait Benkhali , J. Aschersleben , H. Ashkar , M. Backes , A. Baktash , V. Barbosa Martins , R. Batzofin , Y. Becherini , D. Berge , K. Bernlöhr , B. Bi , M. Böttcher , C. Boisson , J. Bolmont , M. de Bony de Lavergne , J. Borowska , M. Bouyahiaoui , F. Bradascio , M. Breuhaus , R. Brose , F. Brun , B. Bruno , T. Bulik , C. Burger-Scheidlin , S. Caroff , S. Casanova , J. Celic , M. Cerruti , T. Chand , S. Chandra , A. Chen , J. Chibueze , O. Chibueze , G. Cotter , S. Dai , J. Damascene Mbarubucyeye , J. Devin , A. Djannati-Ataï , A. Dmytriiev , V. Doroshenko , K. Egberts , S. Einecke , J. -P. Ernenwein , S. Fegan , G. Fichet de Clairfontaine , M. Filipovic , G. Fontaine , M. Füßling , S. Funk , S. Gabici , S. Ghafourizadeh , G. Giavitto , D. Glawion , J. F. Glicenstein , P. Goswami , G. Grolleron , M. -H. Grondin J. A. Hinton , T. L. Holch , M. Holler , D. Horns , Zhiqiu Huang , M. Jamrozy , F. Jankowsky , V. Joshi , I. Jung-Richardt , E. Kasai , K. Katarzyński , R. Khatoon , B. Khélifi , W. Kluźniak , Nu. Komin , R. Konno , K. Kosack , D. Kostunin , R. G. Lang , S. Le Stum , F. Leitl , A. Lemière , M. Lemoine-Goumard , J. P. Lenain , F. Leuschner , T. Lohse , I. Lypova , J. Mackey , D. Malyshev , D. Malyshev , V. Marandon , P. Marchegiani , A. Marcowith , G. Martí-Devesa , R. Marx , M. Meyer , A. Mitchell , L. Mohrmann , A. Montanari , E. Moulin , T. Murach , K. Nakashima , M. de Naurois , J. Niemiec , A. Priyana Noel , P. O'Brien , S. Ohm , L. Olivera-Nieto , E. de Ona Wilhelmi , M. Ostrowski , S. Panny , M. Panter , R. D. Parsons , G. Peron , D. A. Prokhorov , H. Prokoph , G. Pühlhofer , M. Punch , A. Quirrenbach , P. Reichherzer , A. Reimer , O. Reimer , H. Ren , M. Renaud , B. Reville , F. Rieger , G. Rowell , B. Rudak , E. Ruiz-Velasco , V. Sahakian , H. Salzmann , A. Santangelo , M. Sasaki , J. Schäfer , F. Schüssler , H. M. Schutte , U. Schwanke , J. N. S. Shapopi , A. Specovius , S. Spencer , Ł. Stawarz , R. Steenkamp , S. Steinmassl , C. Steppa , I. Sushch , H. Suzuki , T. Takahashi , T. Tanaka , R. Terrier , N. Tsuji , Y. Uchiyama , M. Vecchi , C. Venter , J. Vink , S. J. Wagner , R. White , A. Wierzcholska , Yu Wun Wong , M. Zacharias , D. Zargaryan , A. A. Zdziarski , A. Zech , S. J. Zhu , N. Żywucka

H.E.S.S. Observations of LS 5039

Recent observations of the binary system LS5039 with the High Energy Stereoscopic System (H.E.S.S.) revealed that its Very High Energy (VHE) gamma-ray emission is modulated at the 3.9 days orbital period of the system. The bulk of the…

Astrophysics · Physics 2008-11-26 Mathieu De Naurois , the H. E. S. S. Collaboration Collaboration

The nature of LS 5039 under the scrutiny of gamma-rays

Several gamma-ray binaries have been recently detected by the High-Energy Stereoscopy Array (H.E.S.S.) and the Major Atmospheric Imaging Cerenkov (MAGIC) telescope. In two cases, their nature is unknown, since a final observational feature…

Astrophysics · Physics 2009-06-25 Diego F. Torres , Agnieszka Sierpowska-Bartosik

The LHAASO experiment: from Gamma-Ray Astronomy to Cosmic Rays

LHAASO is expected to be the most sensitive project to face the open problems in Galactic cosmic ray physics through a combined study of photon- and charged particle-induced extensive air showers in the energy range 10$^{11}$ - 10$^{17}$…

High Energy Astrophysical Phenomena · Physics 2019-08-13 G. Di Sciascio

Observation of VHE Gamma Radiation from HESS J1834-087/W41 with the MAGIC Telescope

Recently, the HESS array has reported the detection of gamma-ray emission above a few hundred GeV from eight new sources located close to the Galactic Plane. The source HESS J1834-087 is spatially coincident with SNR G23.3-0.3 (W41). Here…

Astrophysics · Physics 2010-01-28 J. Albert et al.

Detection of extended very-high-energy gamma-ray emission towards the young stellar cluster Westerlund 2

Results from gamma-ray observations by the H.E.S.S. telescope array in the direction of the young stellar cluster Westerlund 2 are presented. Stereoscopic imaging of Cherenkov light emission of gamma-ray induced showers in the atmosphere is…

Astrophysics · Physics 2008-11-26 HESS Collaboration , F. Aharonian

VERITAS Observations of Mgro J1908+06/Hess J1908+063

The unidentified TeV gamma-ray source MGRO J1908+06/HESS J1908+063 was observed with the VERITAS Imaging Atmospheric Cherenkov Array during October 2007 and May-June 2008. This extended source is located on the galactic plane at a galactic…

Astrophysics · Physics 2019-08-13 John E Ward

The Trigger System of the H.E.S.S. Telescope Array

H.E.S.S. -- The High Energy Stereoscopic System-- is a new system of large atmospheric Cherenkov telescopes for GeV/TeV Gamma-ray astronomy. This paper describes the trigger system of H.E.S.S. with emphasis on the multi-telescope array…

Astrophysics · Physics 2009-11-10 S. Funk , G. Hermann , J. Hinton , D. Berge , K. Bernloehr , W. Hofmann , P. Nayman , F. Toussenel , P. Vincent

Detection of VHE gamma-ray emission from the distant blazar 1ES 1101-232 with H.E.S.S. and broadband characterisation

The blazar 1ES 1101-232 was observed with the High Energy Stereoscopic System (H.E.S.S.) of Atmospheric Cherenkov Telescopes (ACT) in 2004 and 2005, for a live time of 43 hours. VHE (E > 10^11 eV) gamma-rays were detected for the first time…

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

Locating the VHE source in the Galactic Centre with milli-arcsecond accuracy

Very high-energy gamma-rays (VHE; E>100 GeV) have been detected from the direction of the Galactic Centre up to energies E>10 TeV. Up to now, the origin of this emission is unknown due to the limited positional accuracy of the observing…

Astrophysics of Galaxies · Physics 2010-02-12 A. Abramowski , S. Gillessen , D. Horns , H. -S. Zechlin