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The First LHAASO Catalog of Gamma-Ray Sources

We present the first catalog of very-high energy and ultra-high energy gamma-ray sources detected by the Large High Altitude Air Shower Observatory (LHAASO). The catalog was compiled using 508 days of data collected by the Water Cherenkov…

高能天体物理现象 · 物理学 2024-03-05 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. Sáiz , 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.

Prospects for future very high-energy gamma-ray sky survey: impact of secondary gamma rays

Very high-energy gamma-ray measurements of distant blazars can be well explained by secondary gamma rays emitted by cascades induced by ultra-high-energy cosmic rays. The secondary gamma rays will enable one to detect a large number of…

高能天体物理现象 · 物理学 2015-06-17 Yoshiyuki Inoue , Oleg E. Kalashev , Alexander Kusenko

Search for very-high-energy emission from Gamma-ray Bursts using the first 18 months of data from the HAWC Gamma-ray Observatory

The High Altitude Water Cherenkov (HAWC) Gamma-ray Observatory is an extensive air shower detector operating in central Mexico, which has recently completed its first two years of full operations. If for a burst like GRB 130427A at a…

高能天体物理现象 · 物理学 2017-08-07 The HAWC collaboration , R. Alfaro , C. Alvarez , J. D. Álvarez , R. Arceo , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , A. S. Barber , N. Bautista-Elivar , A. Becerril , E. Belmont-Moreno , S. Y. BenZvi , A. Bernal , J. Braun , C. Brisbois , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , M. Castillo , U. Cotti , J. Cotzomi , S. Coutiño de León , E. de la Fuente , C. De León , T. DeYoung , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , R. W. Ellsworth , K. Engel , D. W. Fiorino , N. Fraija , J. A. García-González , F. Garfias , M. Gerhardt , A. González Muñoz , M. M. González , J. A. Goodman , Z. Hampel-Arias , J. P. Harding , A. Hernandez-Almada , S. Hernandez , B. Hona , C. M. Hui , P. Hüntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , D. Kieda , R. J. Lauer , W. H. Lee , D. Lennarz , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis Raya , R. Luna-García , K. Malone , S. S. Marinelli , O. Martinez , I. Martinez-Castellanos , J. Martínez-Castro , H. Martínez-Huerta , J. A. Matthews , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , L. Nellen , M. Newbold , R. Noriega-Papaqui , R. Pelayo , E. G. Pérez-Pérez , J. Pretz , Z. Ren , C. D. Rho , C. Rivière , D. Rosa-González , M. Rosenberg , E. Ruiz-Velasco , H. Salazar , F. Salesa Greus , A. Sandoval , M. Schneider , H. Schoorlemmer , G. Sinnis , A. J. Smith , R. W. Springer , P. Surajbali , I. Taboada , O. Tibolla , K. Tollefson , I. Torres , T. N. Ukwatta , G. Vianello , T. Weisgarber , S. Westerhoff , J. Wood , T. Yapici , P. W. Younk , A. Zepeda , H. Zhou

Gamma Ray Flashes Produced by Lightning Observed at Ground Level by TETRA-II

In its first 2 years of operation, the ground-based Terrestrial gamma ray flash and Energetic Thunderstorm Rooftop Array(TETRA)-II array of gamma ray detectors has recorded 22 bursts of gamma rays of millisecond-scale duration associated…

大气与海洋物理 · 物理学 2020-01-28 D. J. Pleshinger , S. T. Alnussirat , J. Arias , S. Bai , Y. Banadaki , M. L. Cherry , J. H. Hoffman , E. Khosravi , M. D. Legault , R. Rodriguez , D. Smith , D. Smith , E. del Toro , J. C. Trepanier , A. Sunda-Meya

Gamma-Ray Bursts Overview

It is now more than 40 years since the discovery of gamma-ray bursts (GRBs) and in the last two decades there has been major progress in the observations of bursts, the afterglows and their host galaxies. This recent progress has been…

高能天体物理现象 · 物理学 2010-03-24 B. McBreen , S. Foley , L. Hanlon

The Fourth Fermi-GBM Gamma-Ray Burst Catalog: A Decade of Data

We present the fourth in a series of catalogs of gamma-ray bursts (GRBs) observed with Fermi's Gamma-Ray Burst Monitor (Fermi-GBM). It extends the six year catalog by four more years, now covering the ten year time period from trigger…

高能天体物理现象 · 物理学 2020-04-17 A. von Kienlin , C. A. Meegan , W. S. Paciesas , P. N. Bhat , E. Bissaldi , M. S. Briggs , E. Burns , W. H. Cleveland , M. H. Gibby , M. M. Giles , A. Goldstein , R. Hamburg , C. M. Hui , D. Kocevski , B. Mailyan , C. Malacaria , S. Poolakkil , R. D. Preece , O. J. Roberts , P. Veres , C. A. Wilson-Hodge

Analysis of Downward Terrestrial Gamma-ray Flashes Using a Large-Area Cosmic Ray Scintillation Detector

The Telescope Array (TA) of central Utah was designed to detect ultra-high-energy cosmic rays (UHECRs) and is the largest of its kind in the Northern hemisphere. Its capabilities, however, are not limited to extra-terrestrial sources.…

高能天体物理现象 · 物理学 2023-08-11 Jackson Remington

Gamma-ray emission from globular clusters

Over the last few years, the data obtained using the Large Area Telescope (LAT) aboard the Fermi Gamma-ray Space Telescope has provided new insights on high-energy processes in globular clusters, particularly those involving compact objects…

高能天体物理现象 · 物理学 2017-02-22 P. H. Thomas Tam , C. Y. Hui , Albert K H. Kong

The Third Konus-Wind Catalog of Short Gamma-Ray bursts

In this catalog, we present the results of a systematic study of 199 short gamma-ray bursts (GRBs) detected by Konus-Wind between 2011 January 1 and 2021 August 31. The catalog extends the Second Catalog of short gamma-ray bursts covering…

高能天体物理现象 · 物理学 2025-03-24 Alexandra L. Lysenko , Dmitry S. Svinkin , Dmitry D. Frederiks , Anna V. Ridnaia , Anastasia E. Tsvetkova , Mikhail V. Ulanov

GRANAT/WATCH catalogue of cosmic gamma-ray bursts: December 1989 to September 1994

We present the catalogue of gamma-ray bursts observed with the WATCH all-sky monitor on board the GRANAT satellite during the period December 1989 to September 1994. The cosmic origin of 95 bursts comprising the catalogue is confirmed…

天体物理学 · 物理学 2009-10-30 Sergei Y. Sazonov , Rashid A. Sunyaev , Oleg V. Terekhov , Niels Lund , Soren Brandt , Alberto J. Castro-Tirado

The Gamma Ray Burst Rate at High Photon Energies

Some gamma-ray burst (GRB) spectra exhibit high energy tails with the highest photon energy detected at 18 GeV. The spectral slope of the high-energy tails is sufficiently flat in nu F_nu to consider the possibility of their detection at…

天体物理学 · 物理学 2009-10-28 Karl Mannheim , Dieter Hartmann , Burkhardt Funk

Gamma-ray flares from the jet of the blazar CTA 102 in 2016-2018

CTA 102 is a $\gamma$-ray bright blazar that exhibited multiple flares in observations by the Large Area Telescope on board the Fermi Gamma-Ray Space Telescope during the period of 2016-2018. We present results from the analysis of…

高能天体物理现象 · 物理学 2025-02-26 Sanghyun Kim , Sang-Sung Lee , Juan Carlos Algaba , Bindu Rani , Jongho Park , Hyeon-Woo Jeong , Whee Yeon Cheong , Filippo D'Ammando , Anne Lähteenmäki , Merja Tornikoski , Joni Tammi , Venkatessh Ramakrishnan , Iván Agudo , Carolina Casadio , Juan Escudero , Antonio Fuentes , Efthalia Traianou , Ioannis Myserlis , Clemens Thum

Konus-Wind observations of the new soft gamma-ray repeater SGR 0501+4516

In 2008 August, the new soft gamma-ray repeater SGR 0501+4516 was discovered by Swift. The source was soon confirmed by several groups in space- and ground-based multi-wavelength observations. In this letter we report the analysis of five…

高能天体物理现象 · 物理学 2011-02-11 R. L. Aptekar , T. L. Cline , D. D. Frederiks , S. V. Golenetskii , E. P. Mazets , V. D. Pal'shin

Detection Techniques of Microsecond Gamma-Ray Bursts using Ground-Based Telescopes

Gamma-ray observations above 200 MeV are conventionally made by satellite-based detectors. The EGRET detector on the Compton Gamma Ray Observatory (CGRO) has provided good sensitivity for the detection of bursts lasting for more than 200…

天体物理学 · 物理学 2009-10-31 F. Krennrich , S. Le Bohec , T. C. Weekes

On the High-Energy Spectral Component and Fine Time Structure of Terrestrial Gamma Ray Flashes

Terrestrial gamma ray flashes (TGFs) are very short bursts of gamma radiation associated to thunderstorm activity and are the manifestation of the highest-energy natural particle acceleration phenomena occurring on Earth. Photon energies up…

空间物理 · 物理学 2021-07-12 M. Marisaldi , M. Galli , C. Labanti , N. Østgaard , D. Sarria , S. A. Cummer , F. Lyu , A. Lindanger , R. Campana , A. Ursi , M. Tavani , F. Fuschino , A. Argan , A. Trois , C. Pittori , F. Verrecchia

Average Power-Density Spectrum of short and long Fermi-GBM Gamma-Ray Bursts

Gamma-ray bursts (GRBs) are the most powerful electromagnetic outbursts in the Universe and emit a vast amount of their energy in the form of gamma rays. Their duration is extremely short on cosmic timescales, but they show a wealth of time…

高能天体物理现象 · 物理学 2025-12-11 Else Magnus , Jannes Loonen , Rose S. Stanley , Paul Coppin , Krijn D. de Vries , Nick van Eijndhoven

Gamma-ray flares from the Crab Nebula

A young and energetic pulsar powers the well-known Crab Nebula. Here we describe two separate gamma-ray (photon energy >100 MeV) flares from this source detected by the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. The…

高能天体物理现象 · 物理学 2011-01-11 LAT Collaboration

Gamma/Hadron Separation with the HAWC Observatory

The High Altitude Water Cherenkov (HAWC) gamma-ray observatory observes atmospheric showers produced by incident gamma rays and cosmic rays with energy from 300 GeV to more than 100 TeV. A crucial phase in analyzing gamma-ray sources using…

高能天体物理现象 · 物理学 2022-08-25 R. Alfaro , C. Alvarez , J. D. Álvarez , J. R. Angeles Camacho , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , R. Babu , E. Belmont-Moreno , C. Brisbois , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , O. Chaparro-Amaro , U. Cotti , J. Cotzomi , S. Coutiño de León , E. De la Fuente , C. de León , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , M. Durocher , J. C. Díaz-Vélez , R. W. Ellsworth , K. Engel , C. Espinoza , K. L. Fan , M. Fernández Alonso , N. Fraija , D. Garcia , J. A. García-González , F. Garfias , M. M. González , J. A. Goodman , J. P. Harding , S. Hernandez , B. Hona , D. Huang , F. Hueyotl-Zahuantitla , P. Hüntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , G. J. Kundem A. Lara , W. H. Lee , J. Lee , H. León Vargas , J. T. Linnemann , G. Luis-Raya , J. Lundeen , K. Malone , V. Marandon , O. Martinez , J. Martínez-Castro , J. A. Matthews , P. Miranda-Romagnoli , J. A. Morales-Soto , A. Nayerhoda , L. Nellen , M. U. Nisa , R. Noriega-Papaqui , L. Olivera-Nieto , N. Omodei , A. Peisker , Y. Pérez Araujo , E. G. Pérez-Pérez , C. D. Rho , D. Rosa-González , E. Ruiz-Velasco , H. Salazar , F. Salesa Greus , A. Sandoval , P. M. Saz Parkinson , J. Serna-Franco , A. J. Smith , R. W. Springer , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , R. Turner , F. Ureña-Mena , L. Villaseñor , X. Wang , I. J. Watson , F. Werner , E. Willox , J. Wood , A. Zepeda , H. Zhou

Electron Acceleration Mechanisms in Thunderstorms

Thunderstorms produce strong electric fields over regions on the order of kilometer. The corresponding electric potential differences are on the order of 100 MV. Secondary cosmic rays reaching these regions may be significantly accelerated…

高能天体物理现象 · 物理学 2017-01-03 Sebastien Celestin

The Suzaku Discovery of A Hard Power-Law Component in the Spectra of Short Bursts from SGR 0501+4516

Using data with the Suzaku XIS and HXD, spectral studies of short bursts from the soft gamma repeater SGR 0501+4516 were performed. In total, 32 bursts were detected during the ~60 ks of observation conducted in the 2008 August activity.…

高能天体物理现象 · 物理学 2015-05-28 Yujin E. Nakagawa , Kazuo Makishima , Teruaki Enoto