Related papers: HESS J1832$-$085: evidence for a new gamma-ray bin…

New constraints on the Mid-IR EBL from the HESS discovery of VHE gamma rays from 1ES 0229+200

AIMS: To investigate the very high energy (VHE: >100 GeV) gamma-ray emission from the high-frequency peaked BL Lac 1ES 0229+200. METHODS: Observations of 1ES 0229+200 at energies above 580 GeV were performed with the High Energy…

Astrophysics · Physics 2007-11-27 HESS Collaboration , F. Aharonian

Study of the gamma-ray source 1AGL J2022+4032 in the Cygnus Region

Identification of gamma-ray-emitting Galactic sources is a long-standing problem in astrophysics. One such source, 1AGL J2022+4032, coincident with the interior of the radio shell of the supernova remnant Gamma Cygni (SNR G78.2+2.1) in the…

High Energy Astrophysical Phenomena · Physics 2011-06-16 A. W. Chen , G. Piano , M. Tavani , A. Trois , G. Dubner , E. ~Giacani , A. Argan , G. Barbiellini , A. Bulgarelli , P. Caraveo , P. W. Cattaneo , E. Costa , F. D'Ammando , G. De Paris , E. Del Monte , G. Di Cocco , I. Donnarumma , Y. Evangelista , M. Feroci , A. Ferrari , M. Fiorini , F. Fuschino , M. Galli , F. Gianotti , A. Giuliani , M. Giusti , C. Labanti , F. Lazzarotto , P. Lipari , F. Longo , M. Marisaldi , S. Mereghetti , E. Moretti , A. Morselli , L. Pacciani , A. Pellizzoni , F. Perotti , P. Picozza , M. Pilia , M. Prest , G. Pucella , M. Rapisarda , A. Rappoldi , S. Sabatini , E. Scalise , P. Soffitta , E. Striani , M. Trifoglio , E. Vallazza , S. Vercellone , V. Vittorini , A. Zambra , D. Zanello , C. Pittori , P. Giommi , F. Verrecchia , F. Lucarelli , P. Santolamazza , S. Colafrancesco , L. A. Antonelli , L. Salotti

Deeper H.E.S.S. observations of Vela Junior (RX J0852.0$-$4622): Morphology studies and resolved spectroscopy

Aims. We study gamma-ray emission from the shell-type supernova remnant (SNR) RX J0852.0$-$4622 to better characterize its spectral properties and its distribution over the SNR. Methods. The analysis of an extended High Energy Spectroscopic…

High Energy Astrophysical Phenomena · Physics 2018-04-30 H. E. S. S. Collaboration , H. Abdalla , A. Abramowski , F. Aharonian , F. Ait Benkhali , A. G. Akhperjanian , T. Andersson , E. O. Angüner , M. Arakawa , M. Arrieta , P. Aubert , M. Backes , A. Balzer , M. Barnard , Y. Becherini , J. Becker Tjus , D. Berge , S. Bernhard , K. Bernlöhr , R. Blackwell , M. Böttcher , C. Boisson , J. Bolmont , P. Bordas , J. Bregeon , F. Brun , P. Brun , M. Bryan , M. Büchele , T. Bulik , M. Capasso , J. Carr , S. Casanova , M. Cerruti , N. Chakraborty , R. Chalme-Calvet , R. C. G. Chaves , A. Chen , J. Chevalier , M. Chrétien , M. Coffaro , S. Colafrancesco , G. Cologna , B. Condon , J. Conrad , Y. Cui , I. D. Davids , J. Decock , B. Degrange , C. Deil , J. Devin , P. deWilt , L. Dirson , A. Djannati-Ataï , W. Domainko , A. Donath , L. O'C. Drury , K. Dutson , J. Dyks , T. Edwards , K. Egberts , P. Eger , J. -P. Ernenwein , S. Eschbach , C. Farnier , S. Fegan , M. V. Fern , A. Fiasson , G. Fontaine , A. Förster , S. Funk , M. Füßling , S. Gabici , M. Gajdus , Y. A. Gallant , T. Garrigoux , G. Giavitto , B. Giebels , J. F. Glicenstein , D. Gottschall , A. Goyal , M. -H. Grondin , J. Hahn , M. Haupt , J. Hawkes , G. Heinzelmann , G. Henri , G. Hermann , O. Hervet , J. A. Hinton , W. Hofmann , C. Hoischen , M. Holler , D. Horns , A. Ivascenko , H. Iwasaki , A. Jacholkowska , M. Jamrozy , M. Janiak , D. Jankowsky , F. Jankowsky , M. Jingo , T. Jogler , L. Jouvin , I. Jung-Richardt , M. A. Kastendieck , K. Katarzyński , M. Katsuragawa , U. Katz , D. Kerszberg , D. Khangulyan , B. Khélifi , M. Kieffer , J. King , S. Klepser , D. Klochkov , W. Kluźniak , D. Kolitzus , Nu. Komin , K. Kosack , S. Krakau , M. Kraus , P. P. Krüger , H. Laffon , G. Lamanna , J. Lau , J. -P. Lees , J. Lefaucheur , V. Lefranc , A. Lemière , M. Lemoine-Goumard , J. -P. Lenain , E. Leser , T. Lohse , M. Lorentz , R. Liu , R. López-Coto , I. Lypova , V. Mar , A. Marcowith , C. Mariaud , R. Marx , G. Maurin , N. Maxted , M. Mayer , P. J. Meintjes , M. Meyer , A. M. W. Mitchell , R. Moderski , M. Mohamed , L. Mohrmann , K. Morå , E. Moulin , T. Murach , S. Nakashima , M. de Naurois , F. Niederwanger , J. Niemiec , L. Oakes , P. O'Brien , H. Odaka , S. Öttl , S. Ohm , M. Ostrowski , I. Oya , M. Padovani , M. Panter , R. D. Parsons , M. Paz Arribas , N. W. Pekeur , G. Pelletier , C. Perennes , P. -O. Petrucci , B. Peyaud , Q. Piel , S. Pita , H. Poon , D. Prokhorov , H. Prokoph , G. Pühlhofer , M. Punch , A. Quirrenbach , S. Raab , A. Reimer , O. Reimer , M. Renaud , R. de los Reyes , S. Richter , F. Rieger , C. Romoli , G. Rowell , B. Rudak , C. B. Rulten , V. Sahakian , S. Saito , D. Salek , D. A. Sanchez , A. Santangelo , M. Sasaki , R. Schlickeiser , F. Schüssler , A. Schulz , U. Schwanke , S. Schwemmer , M. Seglar-Arroyo , M. Settimo , A. S. Seyffert , N. Shafi , I. Shilon , R. Simoni , H. Sol , F. Spanier , G. Spengler , F. Spies , Ł. Stawarz , R. Steenkamp , C. Stegmann , K. Stycz , I. Sushch , T. Takahashi , J. -P. Tavernet , T. Tavernier , A. M. Taylor , R. Terrier , L. Tibaldo , D. Tiziani , M. Tluczykont , C. Trichard , N. Tsuji , R. Tuffs , Y. Uchiyama , D. J. van der Walt , C. van Eldik , C. van Rensburg , B. van Soelen , G. Vasileiadis , J. Veh , C. Venter , A. Viana , P. Vincent , J. Vink , F. Voisin , H. J. Völk , T. Vuillaume , Z. Wadiasingh , S. J. Wagner , P. Wagner , R. M. Wagner , R. White , A. Wierzcholska , P. Willmann , A. Wörnlein , D. Wouters , R. Yang , V. Zabalza , D. Zaborov , M. Zacharias , R. Zanin , A. A. Zdziarski , A. Zech , F. Zefi , A. Ziegler , N. Żywucka

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

Multiwavelength constraints on the unidentified Galactic TeV sources HESS J1427$-$608, HESS J1458$-$608, and new VHE $\gamma$-ray source candidates

The H.E.S.S. Galactic Plane Survey (HGPS) revealed 78 TeV sources among which 47 are not clearly associated with a known object. We present a multiwavelength approach to constrain the origin of the emission from unidentified HGPS sources.…

High Energy Astrophysical Phenomena · Physics 2021-03-17 Justine Devin , Matthieu Renaud , Marianne Lemoine-Goumard , Georges Vasileiadis

Measurement of the Gamma-Ray Energy Spectrum beyond 100 TeV from the HESS J1843$-$033 Region

HESS J1843$-$033 is a very-high-energy gamma-ray source whose origin remains unidentified. This work presents, for the first time, the energy spectrum of gamma rays beyond $100\, {\rm TeV}$ from the HESS J1843$-$033 region using the data…

High Energy Astrophysical Phenomena · Physics 2023-08-29 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 , 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 , 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 , X. L. Liu , Y. -Q. Lou , H. Lu , X. R. Meng , Y. Meng , K. Munakata , K. Nagaya , Y. Nakamura , Y. Nakazawa , H. Nanjo , C. C. Ning , M. Nishizawa , M. Ohnishi , S. Okukawa , S. Ozawa , L. Qian , X. Qian , X. L. Qian , X. B. Qu , T. Saito , Y. Sakakibara , M. Sakata , T. Sako , T. K. Sako , 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 , Y. P. Wang , Wangdui , H. R. Wu , Q. Wu , J. L. Xu , L. Xue , Z. Yang , Y. Q. Yao , J. Yin , Y. Yokoe , N. P. Yu , A. F. Yuan , L. M. Zhai , C. P. Zhang , H. M. Zhang , J. L. Zhang , X. Zhang , X. Y. Zhang , Y. Zhang , Yi Zhang , Ying Zhang , S. P. Zhao , Zhaxisangzhu , X. X. Zhou

Exploring the Galactic Plane: A Comparative Study of Fermi-LAT Sources and HESS's Non-Detection at TeV Energies

The HESS Galactic Plane Survey (HGPS), published in 2018, presented a decade of very-high-energy (VHE) gamma-ray observations along the Galactic plane. This study was accompanied by the release of several maps in FITS format, offering a…

High Energy Astrophysical Phenomena · Physics 2025-12-19 François Brun , Baptiste Le Nagat-Neher , Marianne Lemoine-Goumard , Marie-Hélène Grondin , Paul Fauverge

Discovery of the candidate pulsar wind nebula HESS J1718-385 in very-high-energy gamma-rays

Motivated by recent detections of pulsar wind nebulae in very-high-energy (VHE) gamma rays, a systematic search for VHE gamma-ray sources associated with energetic pulsars was performed, using data obtained with the H.E.S.S. (High Energy…

Astrophysics · Physics 2012-08-27 S Collaboration , S. Carrigan , Y. A. Gallant , J. A. Hinton , Nu. Komin , K. Kosack , C. Stegmann

TeV Analysis of a Source Rich Region with HAWC Observatory: Is HESS J1809-193 a Potential Hadronic PeVatron?

HESS J1809-193 is an unidentified TeV source, first detected by the High Energy Stereoscopic System (H.E.S.S.) Collaboration. The emission originates in a source-rich region that includes several Supernova Remnants (SNR) and Pulsars (PSR)…

High Energy Astrophysical Phenomena · Physics 2024-07-15 A. Albert , R. Alfaro , C. Alvarez , J. C. Arteaga-Velázquez , D. Avila Rojas , R. Babu , E. Belmont-Moreno , A. Bernal , M. Breuhaus , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , J. Cotzomi , E. De la Fuente , D. Depaoli , N. Di Lalla , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , C. Espinoza , K. L. Fan , K. Fang , B. Fick , N. Fraija , J. A. García-González , F. Garfias , A. Gonzalez Munoz , M. M. González , J. A. Goodman , S. Groetsch , J. P. Harding , S. Hernández-Cadena , I. Herzog , D. Huang , F. Hueyotl-Zahuantitla , P. Hüntemeyer , A. Iriarte , V. Joshi , S. Kaufmann , A. Lara , J. Lee , H. León Vargas , A. L. Longinotti , G. Luis-Raya , K. Malone , J. Martínez-Castro , J. A. Matthews , P. Miranda-Romagnoli , J. A. Montes , J. A. Morales-Soto , E. Moreno , M. Mostafá , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , M. Osorio , Y. Pérez Araujo , E. G. Pérez-Pérez , C. D. Rho , D. Rosa-González , E. Ruiz-Velasco , H. Salazar , A. Sandoval , M. Schneider , J. Serna-Franco , A. J. Smith , Y. Son , R. W. Springer , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , R. Turner , F. Ureña-Mena , E. Varela , X. Wang , I. J. Watson , E. Willox , S. Yun-Cárcamo , H. Zhou

HESS J1507-622: an unique unidentified source off the Galactic Plane

Galactic very high energy (VHE, > 100 GeV) gamma ray sources in the inner Galaxy H.E.S.S. survey tend to cluster within 1 degree in latitude around the Galactic plane. HESS J1507-622 instead is unique, since it is located at latitude of…

High Energy Astrophysical Phenomena · Physics 2019-08-14 O. Tibolla , W. Domainko , W. Hofmann , O. de Jager , S. Kaufmann , N. Komin , K. Kosack

Very-high-energy gamma-ray emission from the direction of the Galactic globular cluster Terzan 5

The H.E.S.S. very-high-energy (VHE, E > 0.1 TeV) gamma-ray telescope system has discovered a new source, HESS J1747-248. The measured integral flux is (1.2 +/- 0.3) \times 10^-12 cm-2 s-1 above 440 GeV for a power-law photon spectral index…

High Energy Astrophysical Phenomena · Physics 2015-05-28 HESS Collaboration , A. Abramowski , F. Acero , F. Aharonian , A. G. Akhperjanian , G. Anton , A. Balzer , A. Barnacka , U. Barres de Almeida , Y. Becherini , J. Becker , B. Behera , K. Bernloehr , A. Bochow , C. Boisson , J. Bolmont , P. Bordas , J. Brucker , F. Brun , P. Brun , T. Bulik , I. Buesching , S. Carrigan , S. Casanova , M. Cerruti , P. M. Chadwick , A. Charbonnier , R. C. G. Chaves , A. Cheesebrough , L. -M. Chounet , A. C. Clapson , G. Coignet , G. Cologna , J. Conrad , M. Dalton , M. K. Daniel , I. D. Davids , B. Degrange , C. Deil , H. J. Dickinson , A. Djannati-Atai , W. Domainko , L. O'C. Drury , F. Dubois , G. Dubus , K. Dutson , J. Dyks , M. Dyrda , K. Egberts , P. Eger , P. Espigat , L. Fallon , C. Farnier , S. Fegan , F. Feinstein , M. V. Fernandes , A. Fiasson , G. Fontaine , A. Foerster , M. Fuessling , Y. A. Gallant , H. Gast , L. Gerard , D. Gerbig , B. Giebels , J. F. Glicenstein , B. Glueck , P. Goret , D. Goering , S. Haeffner , J. D. Hague , D. Hampf , M. Hauser , S. Heinz , G. Heinzelmann , G. Henri , G. Hermann , J. A. Hinton , A. Hoffmann , W. Hofmann , P. Hofverberg , M. Holler , D. Horns , A. Jacholkowska , O. C. de Jager , C. Jahn , M. Jamrozy , I. Jung , M. A. Kastendieck , K. Katarzynski , U. Katz , S. Kaufmann , D. Keogh , D. Khangulyan , B. Khelifi , D. Klochkov , W. Kluzniak , T. Kneiske , Nu. Komin , K. Kosack , R. Kossakowski , H. Laffon , G. Lamanna , D. Lennarz , T. Lohse , A. Lopatin , C. -C. Lu , V. Marandon , A. Marcowith , J. Masbou , D. Maurin , N. Maxted , T. J. L. McComb , M. C. Medina , J. Mehault , N. Nguyen , R. Moderski , E. Moulin , C. L. Naumann , M. Naumann-Godo , M. de Naurois , D. Nedbal , D. Nekrassov , B. Nicholas , J. Niemiec , S. J. Nolan , S. Ohm , E. de Ona Wilhelmi , B. Opitz , M. Ostrowski , I. Oya , M. Panter , M. Paz Arribas , G. Pedaletti , G. Pelletier , P. -O. Petrucci , S. Pita , G. Puehlhofer , M. Punch , A. Quirrenbach , M. Raue , S. M. Rayner , A. Reimer , O. Reimer , M. Renaud , R. de los Reyes , F. Rieger , J. Ripken , L. Rob , S. Rosier-Lees , G. Rowell , B. Rudak , C. B. Rulten , J. Ruppel , F. Ryde , V. Sahakian , A. Santangelo , R. Schlickeiser , F. M. Schoeck , A. Schulz , U. Schwanke , S. Schwarzburg , S. Schwemmer , M. Sikora , J. L. Skilton , H. Sol , G. Spengler , L. Stawarz , R. Steenkamp , C. Stegmann , F. Stinzing , K. Stycz , I. Sushch , A. Szostek , J. -P. Tavernet , R. Terrier , M. Tluczykont , K. Valerius , C. van Eldik , G. Vasileiadis , C. Venter , J. P. Vialle , A. Viana , P. Vincent , H. J. Voelk , F. Volpe , S. Vorobiov , M. Vorster , S. J. Wagner , M. Ward , R. White , A. Wierzcholska , M. Zacharias , A. Zajczyk , A. A. Zdziarski , A. Zech , H. -S. Zechlin

A Supernova Remnant Counterpart for HESS J1832-085

We examine the new Galactic supernova remnant (SNR) candidate, G23.11+0.18, as seen by the Murchison Widefield Array (MWA) radio telescope. We describe the morphology of the candidate and find a spectral index of -0.63+/-0.05 in the…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Nigel I. Maxted , M. D. Filipovic , N. Hurley-Walker , I. Bojicic , G. P. Rowell , F. Haberl , A. J. Ruiter , I. R. Seitenzahl , F. Panther , G. F. Wong , C. Braiding , M. Burton , G. Puhlhofer , H. Sano , Y. Fukui , M. Sasaki , W. Tian , H. Su , X. Cui , D. Leahy , P. J. Hancock

Study of the molecular clump associated with the high-energy source HESS J1858+020

HESS J1858+020 is a weak gamma-ray source lying near the southern border of the SNR G35.6-0.4. A molecular cloud, composed by two clumps, shows signs of interaction with the SNR and with a nearby extended HII region. In particular, the…

Astrophysics of Galaxies · Physics 2015-05-27 S. Paron , E. Giacani , M. Rubio , G. Dubner

A search for VHE counterparts of Galactic Fermi bright sources and MeV to TeV spectral characterization

Very high-energy (VHE; E>100 GeV) gamma-rays have been detected from a wide range of astronomical objects, such as pulsar wind nebulae (PWNe), supernova remnants (SNRs), giant molecular clouds, gamma-ray binaries, the Galactic Center,…

High Energy Astrophysical Phenomena · Physics 2015-03-13 P. H. Thomas Tam , Stefan Wagner , Omar Tibolla , Ryan Chaves

Joint H.E.S.S. and Fermi-LAT analysis of the region around PSR J1813-1749

HESS J1813-178 is one of the brightest sources detected during the first HESS Galactic Plane survey. The compact source, also detected by MAGIC, is believed to be a pulsar wind nebula powered by one of the most powerful pulsars known in the…

High Energy Astrophysical Phenomena · Physics 2023-09-01 T. Wach , A. M. W. Mitchell , V. Joshi , S. Funk

Constraints on diffuse X-ray Emission from the TeV halo Candidate HESS J1813-126

Extended regions of very high energy $\gamma$-ray emission associated with middle-aged pulsars have been found by $\gamma$-ray observatories. These regions, called TeV halos or pulsar halos, are thought to be created when energetic…

High Energy Astrophysical Phenomena · Physics 2025-04-14 David Guevel , Kim L Page , Kaya Mori , Amy Lien , Ke Fang

Pulsar Wind Nebula candidates recently discovered by H.E.S.S

H.E.S.S. is currently the most sensitive instrument in the very-high-energy gamma-ray domain and has revealed many new sources along the Galactic Plane, a significant fraction of which seems to be associated with energetic pulsars. HESS…

Astrophysics · Physics 2019-08-14 M. Renaud , S. Hoppe , N. Komin , E. Moulin , V. Marandon , A. -C. Clapson

Microquasar LS 5039: a TeV gamma-ray emitter and a potential TeV neutrino source

The recent detection of TeV gamma-rays from the microquasar LS 5039 by HESS is one of the most exciting discoveries of observational gamma-ray astronomy in the very high energy regime. This result clearly demonstrates that X-ray binaries…

Astrophysics · Physics 2009-11-13 Felix A. Aharonian , Luis A. Anchordoqui , Dmitry Khangulyan , Teresa Montaruli

Discovery of a spatially extended GeV source in the vicinity of the TeV halo candidate 2HWC J1912+099: a TeV halo or supernova remnant ?

Observations by HAWC and Milagro have detected spatially extended TeV sources surrounding middle-aged ($t\sim100-400 \,{\rm kyr}$) pulsars like Geminga and PSR B0656+14, which have been named "TeV Halos", representing very extended TeV…

High Energy Astrophysical Phenomena · Physics 2020-02-05 Hai-Ming Zhang , Shao-Qiang Xi , Ruo-Yu Liu , Yu-Liang Xin , Siming Liu , Xiang-Yu Wang

Dissecting the emission from LHAASO J0341+5258: implications for future multi-wavelength observations

The Large High Altitude Air Shower Observatory (LHAASO) has detected multiple ultra-high energy (UHE; E$_\gamma \ge$ 100 TeV) gamma-ray sources in the Milky Way Galaxy, which are associated with Galactic ``PeVatrons'' that accelerate…

High Energy Astrophysical Phenomena · Physics 2024-01-10 Agnibha De Sarkar , Pratik Majumdar