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The search for Galactic pevatrons is now a well-identified key science project of all instruments operating in the very-high-energy domain. Indeed, in this energy range, the detection of gamma rays clearly indicates that efficient particle…

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High Energy Astrophysical Phenomena · Physics 2026-04-27 Zhen Cao , F. Aharonian , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , W. Bian , J. Blunier , A. V. Bukevich , C. M. Cai , Y. Y. Cai , W. Y. Cao , Zhe Cao , J. Chang , J. F. Chang , E. S. Chen , G. H. Chen , H. K. Chen , L. F. Chen , Liang Chen , Long Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. B. Chen , X. J. Chen , X. P. Chen , Y. Chen , N. Cheng , Q. Y. 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 , Y. X. Diao , A. J. Dong , X. Q. Dong , K. K. Duan , J. H. Fan , Y. Z. Fan , J. Fang , J. H. Fang , K. Fang , C. F. Feng , H. Feng , L. Feng , S. H. Feng , X. T. Feng , Y. Feng , Y. L. Feng , S. Gabici , B. Gao , Q. Gao , W. Gao , W. K. Gao , M. M. Ge , T. T. Ge , L. S. Geng , G. Giacinti , G. H. Gong , Q. B. Gou , M. H. Gu , F. L. Guo , J. Guo , K. J. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , R. P. Han , O. A. Hannuksela , M. Hasan , H. H. He , H. N. He , J. Y. He , X. Y. He , Y. He , S. Hernández-Cadena , B. W. Hou , C. Hou , X. Hou , H. B. Hu , S. C. Hu , C. Huang , D. H. Huang , J. J. Huang , X. L. Huang , X. T. Huang , X. Y. Huang , Y. Huang , Y. Y. Huang , A. Inventar , X. L. Ji , H. Y. Jia , K. Jia , H. B. Jiang , K. Jiang , X. W. Jiang , Z. J. Jiang , M. Jin , S. Kaci , M. M. Kang , I. Karpikov , D. Khangulyan , D. Kuleshov , K. Kurinov , Cheng Li , Cong Li , D. Li , F. Li , H. B. Li , H. C. Li , Jian Li , Jie Li , K. Li , L. Li , R. L. Li , S. D. Li , T. Y. Li , W. L. Li , X. R. Li , Y. Li , Zhe Li , Zhuo Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , D. B. Liu , H. Liu , J. Liu , J. L. Liu , J. R. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , X. Liu , Y. Liu , Y. Liu , Y. N. Liu , Y. Q. Lou , Q. Luo , Y. Luo , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , I. O. Maliy , J. R. Mao , Z. Min , W. Mitthumsiri , Y. Mizuno , G. B. Mou , A. Neronov , K. C. Y. Ng , M. Y. Ni , L. Nie , L. J. Ou , Z. W. Ou , P. Pattarakijwanich , Z. Y. Pei , D. Y. Peng , J. C. Qi , M. Y. Qi , J. J. Qin , D. Qu , A. Raza , C. Y. Ren , D. Ruffolo , A. Sáiz , D. Savchenko , D. Semikoz , L. Shao , O. Shchegolev , Y. Z. Shen , X. D. Sheng , Z. D. Shi , F. W. Shu , H. C. Song , Yu. V. Stenkin , Y. Su , D. X. Sun , H. Sun , J. X. Sun , Q. N. Sun , X. N. Sun , Z. B. Sun , N. H. Tabasam , J. Takata , P. H. T. Tam , H. B. Tan , Q. W. Tang , R. Tang , Z. B. Tang , W. W. Tian , C. N. Tong , L. H. Wan , C. Wang , D. H. Wang , G. W. Wang , H. G. Wang , J. C. Wang , K. Wang , Kai Wang , Kai Wang , L. P. Wang , L. Y. Wang , L. Y. Wang , R. Wang , W. Wang , X. G. Wang , X. J. Wang , X. Y. Wang , Y. Wang , Y. D. Wang , Z. H. Wang , Z. X. Wang , Zheng Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , S. S. Weng , C. Y. Wu , H. R. Wu , Q. W. 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 , Y. F. Xiao , Y. L. Xin , H. D. Xing , Y. Xing , D. R. Xiong , B. N. Xu , C. Y. Xu , D. L. Xu , R. F. Xu , R. X. Xu , S. S. Xu , W. L. Xu , L. Xue , D. H. Yan , T. Yan , C. W. Yang , C. Y. Yang , F. F. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , W. X. Yang , Z. H. Yang , Z. G. Yao , X. A. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Q. Yuan , H. Yue , H. D. Zeng , T. X. Zeng , W. Zeng , X. T. Zeng , M. Zha , B. B. Zhang , B. T. Zhang , C. Zhang , H. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , J. Y. Zhang , Li Zhang , P. F. Zhang , R. Zhang , S. R. Zhang , S. S. Zhang , S. Y. Zhang , W. Zhang , W. Y. Zhang , X. Zhang , X. P. Zhang , Yi Zhang , Yong Zhang , Z. P. Zhang , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , X. H. Zhao , Z. H. Zhao , F. Zheng , T. C. Zheng , B. Zhou , H. Zhou , J. N. Zhou , M. Zhou , P. Zhou , R. Zhou , X. X. Zhou , X. X. Zhou , B. Y. Zhu , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , Y. C. Zou , X. Zuo , Y. Li

Prospects for CTA observations of the young SNR RX J1713.7-3946

We perform simulations for future Cherenkov Telescope Array (CTA) observations of RX~J1713.7$-$3946, a young supernova remnant (SNR) and one of the brightest sources ever discovered in very-high-energy (VHE) gamma rays. Special attention is…

High Energy Astrophysical Phenomena · Physics 2020-01-30 The CTA Consortium , : , F. Acero , R. Aloisio , J. Amans , E. Amato , L. A. Antonelli , C. Aramo , T. Armstrong , F. Arqueros , K. Asano , M. Ashley , M. Backes , C. Balazs , A. Balzer , A. Bamba , M. Barkov , J. A. Barrio , W. Benbow , K. Bernlöhr , V. Beshley , C. Bigongiari , A. Biland , A. Bilinsky , E. Bissaldi , J. Biteau , O. Blanch , P. Blasi , J. Blazek , C. Boisson , G. Bonanno , A. Bonardi , C. Bonavolontà , G. Bonnoli , C. Braiding , S. Brau-Nogué , J. Bregeon , A. M. Brown , V. Bugaev , A. Bulgarelli , T. Bulik , M. Burton , A. Burtovoi , G. Busetto , M. Böttcher , R. Cameron , M. Capalbi , A. Caproni , P. Caraveo , R. Carosi , E. Cascone , M. Cerruti , S. Chaty , A. Chen , X. Chen , M. Chernyakova , M. Chikawa , J. Chudoba , J. Cohen-Tanugi , S. Colafrancesco , V. Conforti , J. L. Contreras , A. Costa , G. Cotter , S. Covino , G. Covone , P. Cumani , G. Cusumano , F. D'Ammando , D. D'Urso , M. Daniel , F. Dazzi , A. De Angelis , G. De Cesare , A. De Franco , F. De Frondat , E. M. de Gouveia Dal Pino , C. De Lisio , R. de los Reyes Lopez , B. De Lotto , M. de Naurois , F. De Palma , M. Del Santo , C. Delgado , D. della Volpe , T. Di Girolamo , C. Di Giulio , F. Di Pierro , L. Di Venere , M. Doro , J. Dournaux , D. Dumas , V. Dwarkadas , C. Díaz , J. Ebr , K. Egberts , S. Einecke , D. Elsässer , S. Eschbach , D. Falceta-Goncalves , G. Fasola , E. Fedorova , A. Fernández-Barral , G. Ferrand , M. Fesquet , E. Fiandrini , A. Fiasson , M. D. Filipovíc , V. Fioretti , L. Font , G. Fontaine , F. J. Franco , L. Freixas Coromina , Y. Fujita , Y. Fukui , S. Funk , A. Förster , A. Gadola , R. Garcia López , M. Garczarczyk , N. Giglietto , F. Giordano , A. Giuliani , J. Glicenstein , R. Gnatyk , P. Goldoni , T. Grabarczyk , R. Graciani , J. Graham , P. Grandi , J. Granot , A. J. Green , S. Griffiths , S. Gunji , H. Hakobyan , S. Hara , T. Hassan , M. Hayashida , M. Heller , J. C. Helo , J. Hinton , B. Hnatyk , J. Huet , M. Huetten , T. B. Humensky , M. Hussein , J. Hörandel , Y. Ikeno , T. Inada , Y. Inome , S. Inoue , T. Inoue , Y. Inoue , K. Ioka , M. Iori , J. Jacquemier , P. Janecek , D. Jankowsky , I. Jung , P. Kaaret , H. Katagiri , S. Kimeswenger , S. Kimura , J. Knödlseder , B. Koch , J. Kocot , K. Kohri , N. Komin , Y. Konno , K. Kosack , S. Koyama , M. Kraus , H. Kubo , G. Kukec Mezek , J. Kushida , N. La Palombara , K. Lalik , G. Lamanna , H. Landt , J. Lapington , P. Laporte , S. Lee , J. Lees , J. Lefaucheur , J. -P. Lenain , G. Leto , E. Lindfors , T. Lohse , S. Lombardi , F. Longo , M. Lopez , F. Lucarelli , P. L. Luque-Escamilla , R. López-Coto , M. C. Maccarone , G. Maier , G. Malaguti , D. Mandat , G. Maneva , S. Mangano , A. Marcowith , J. Martí , M. Martínez , G. Martínez , S. Masuda , G. Maurin , N. Maxted , C. Melioli , T. Mineo , N. Mirabal , T. Mizuno , R. Moderski , M. Mohammed , T. Montaruli , A. Moralejo , K. Mori , G. Morlino , A. Morselli , E. Moulin , R. Mukherjee , C. Mundell , H. Muraishi , K. Murase , S. Nagataki , T. Nagayoshi , T. Naito , D. Nakajima , T. Nakamori , R. Nemmen , J. Niemiec , D. Nieto , M. Nievas-Rosillo , M. Nikołajuk , K. Nishijima , K. Noda , L. Nogues , D. Nosek , B. Novosyadlyj , S. Nozaki , Y. Ohira , M. Ohishi , S. Ohm , A. Okumura , R. A. Ong , R. Orito , A. Orlati , M. Ostrowski , I. Oya , M. Padovani , J. Palacio , M. Palatka , J. M. Paredes , S. Pavy , A. Pe'er , M. Persic , P. Petrucci , O. Petruk , A. Pisarski , M. Pohl , A. Porcelli , E. Prandini , J. Prast , G. Principe , M. Prouza , E. Pueschel , G. Pühlhofer , A. Quirrenbach , M. Rameez , O. Reimer , M. Renaud , M. Ribó , J. Rico , V. Rizi , J. Rodriguez , G. Rodriguez Fernandez , J. J. Rodríguez Vázquez , P. Romano , G. Romeo , J. Rosado , J. Rousselle , G. Rowell , B. Rudak , I. Sadeh , S. Safi-Harb , T. Saito , N. Sakaki , D. Sanchez , P. Sangiorgi , H. Sano , M. Santander , S. Sarkar , M. Sawada , E. J. Schioppa , H. Schoorlemmer , P. Schovanek , F. Schussler , O. Sergijenko , M. Servillat , A. Shalchi , R. C. Shellard , H. Siejkowski , A. Sillanpää , D. Simone , V. Sliusar , H. Sol , S. Stanič , R. Starling , Ł. Stawarz , S. Stefanik , M. Stephan , T. Stolarczyk , M. Szanecki , T. Szepieniec , G. Tagliaferri , H. Tajima , M. Takahashi , J. Takeda , M. Tanaka , S. Tanaka , L. A. Tejedor , I. Telezhinsky , P. Temnikov , Y. Terada , D. Tescaro , M. Teshima , V. Testa , S. Thoudam , F. Tokanai , D. F. Torres , E. Torresi , G. Tosti , C. Townsley , P. Travnicek , C. Trichard , M. Trifoglio , S. Tsujimoto , V. Vagelli , P. Vallania , L. Valore , W. van Driel , C. van Eldik , J. Vandenbroucke , V. Vassiliev , M. Vecchi , S. Vercellone , S. Vergani , C. Vigorito , S. Vorobiov , M. Vrastil , M. L. Vázquez Acosta , S. J. Wagner , R. Wagner , S. P. Wakely , R. Walter , J. E. Ward , J. J. Watson , A. Weinstein , M. White , R. White , A. Wierzcholska , P. Wilcox , D. A. Williams , R. Wischnewski , P. Wojcik , T. Yamamoto , H. Yamamoto , R. Yamazaki , S. Yanagita , L. Yang , T. Yoshida , M. Yoshida , S. Yoshiike , T. Yoshikoshi , M. Zacharias , L. Zampieri , R. Zanin , M. Zavrtanik , D. Zavrtanik , A. Zdziarski , A. Zech , H. Zechlin , V. Zhdanov , A. Ziegler , J. Zorn

A New Gamma-Ray Source in the Vicinity of the Galactic Supernova Remnant G306.3$-$0.9

A new extended gamma-ray source, which was named as Source A, in the southwest of Galactic supernova remnant (SNR) G306.3$-$0.9 was detected with a significance of $\sim$13$\sigma$ at the location of R.A. (J2000) = 13$^{\rm{h}}$…

High Energy Astrophysical Phenomena · Physics 2017-12-19 Tulun Ergin , Satoru Katsuda , Aytap Sezer , Ryo Yamazaki , Miroslav Filipovic , Hidetoshi Sano , Yasuo Fukui , Shuta Tanaka

Gamma-ray emission revealed at the western edge of SNR G344.7-0.1

We report on the investigation of a very high energy (VHE), Galactic gamma-ray source recently discovered at >50GeV using the Large Area Telescope (LAT) on board the Fermi Gamma-Ray Space Telescope. This object, 2FHL J1703.4-4145, displays…

High Energy Astrophysical Phenomena · Physics 2020-12-02 J. Eagle , S. Marchesi , M. Ajello , D. Castro , A. Vendrasco

Gamma-ray emission expected from Kepler's SNR

Nonlinear kinetic theory of cosmic ray (CR) acceleration in supernova remnants (SNRs) is used to investigate the properties of Kepler's SNR and, in particular, to predict the gamma-ray spectrum expected from this SNR. Observations of the…

Astrophysics · Physics 2007-05-23 E. G. Berezhko , L. T. Ksenofontov , H. J. Voelk

Search for point sources of gamma radiation above 15 TeV with the HEGRA - AIROBICC array

A search for potential point sources of very high energy gamma rays has been carried out on the data taken simultaneously by the HEGRA AIROBICC and Scintillator arrays from August 1994 to March 2000. The list of sought sources includes…

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

TeV Gamma-Rays from Old Supernova Remnants

We study the emission from an old supernova remnant (SNR) with an age of around 10^5 yrs and that from a giant molecular cloud (GMC) encountered by the SNR. When the SNR age is around 10^5 yrs, proton acceleration is efficient enough to…

Astrophysics · Physics 2009-11-11 Ryo Yamazaki , Kazunori Kohri , Aya Bamba , Tatsuo Yoshida , Toru Tsuribe , Fumio Takahara

Reevaluation of the Prospect of Observing Neutrinos from Galactic Sources in the Light of Recent Results in Gamma Ray and Neutrino Astronomy

In light of the recent IceCube evidence for a flux of extraterrestrial neutrinos, we revisit the prospect of observing the sources of the Galactic cosmic rays. In particular, we update the predictions for the neutrino flux expected from…

High Energy Astrophysical Phenomena · Physics 2014-06-20 M. C. Gonzalez-Garcia , F. Halzen , V. Niro

Study of TeV shell supernova remnants at gamma-ray energies

The breakthrough developments of Cherenkov telescopes in the last decade have led to angular resolution of 0.1{\deg} and an unprecedented sensitivity. This has allowed the current generation of Cherenkov telescopes to discover a population…

High Energy Astrophysical Phenomena · Physics 2015-08-05 F. Acero , M. Lemoine-Goumard , M. Renaud , J. Ballet , J. W. Hewitt , R. Rousseau , T. Tanaka

The TeV supernova remnant shell HESS J1731-347 and its surroundings

HESS J1731-347 is a shell-type supernova remnant emitting both TeV gamma rays and non-thermal X-ray photons, spatially coincident with the radio SNR G353.6-0.7. Hadronic and leptonic scenarios (or a blend of both) are discussed in the…

High Energy Astrophysical Phenomena · Physics 2019-08-14 M. Capasso , B. Condon , M. Coffaro , Y. Cui , D. Gottschall , D. Klochkov , V. Marandon , N. Maxted , G. Pühlhofer , G. Rowell

Ground-Based Gamma-Ray Astronomy at Energies Above 10 TeV: Searching for Galactic PeV Cosmic-Ray Accelerators

The origin of Galactic CRs up the knee energy remains unanswered and provides strong motivation for the study of gamma-ray sources at energies above 10 TeV. We discuss recent results from ground-based gamma-ray Cherenkov imaging systems at…

Astrophysics · Physics 2007-05-23 G. Rowell , F. Aharonian , A. Plyasheshnikov

Observations of Supernova Remnants with VERITAS

The study of shell-type supernova remnants is a key science focus for the VERITAS TeV telescope array. Supernova remnants (SNRs) are widely considered to be the strongest candidate for the source of cosmic rays below the knee around 10^15…

Astrophysics of Galaxies · Physics 2019-08-13 Brian Humensky

The Galactic Center Region Imaged by VERITAS

The Galactic Center has long been a region of interest for high-energy and very-high-energy observations. Many potential sources of GeV/TeV gamma-ray emission have been suggested, e.g., the accretion of matter onto the black hole, cosmic…

High Energy Astrophysical Phenomena · Physics 2019-08-13 M. Beilicke

HI absorption spectra for Supernova Remnants in the VGPS survey

The set of supernova remnants (SNR) from Green's SNR catalog which are found in the VLA Galactic Plane Survey (VGPS) are the objects considered in this study. For these SNR, we extract and analyse HI absorption spectra in a uniform way and…

Astrophysics of Galaxies · Physics 2016-07-19 Denis Leahy , Sujith Ranasinghe

Supernova Remnants: acceleration of particles and gamma-ray emission

Particle acceleration in the dynamically evolving environment of Supernova Remnants is discussed in the framework of a genuinely time-dependent nonlinear theory, assuming spherical symmetry. As a consequence the dependence of injection on…

Astrophysics · Physics 2007-05-23 H. J. Voelk