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Probable evidence for a transient mega-electron volt emission line in the GRB 221023A

Detection of spectral line in gamma-ray bursts (GRBs) is importance for studying GRB physics, as it provides insights into the composition and physical conditions of the GRB environment. However, progress in detecting X-ray or gamma-ray…

High Energy Astrophysical Phenomena · Physics 2025-04-10 Lu-Yao Jiang , Yun Wang , Yu-Jia Wei , Da-Ming Wei , Xiang Li , Hao-Ning He , Jia Ren , Zhao-Qiang Shen , Zhi-Ping Jin

Search for Gamma Ray Bursts with the ARGO-YBJ Detector in Shower Mode

The ARGO-YBJ detector, located at the Yangbajing Cosmic Ray Laboratory (4300 m a. s. l., Tibet, China), was a full coverage air shower array dedicated to gamma ray astronomy and cosmic ray studies. The wide field of view (~ 2 sr) and high…

High Energy Astrophysical Phenomena · Physics 2017-06-13 B. Bartoli , P. Bernardini , X. J. Bi , Z. Cao , S. Catalanotti , S. Z. Chen , T. L. Chen , S. W. Cui , B. Z. Dai , A. D Amone , Danzeng Luobu , I. De Mitri , B. D Ettorre Piazzoli , T. Di Girolamo , G. Di Sciascio , C. F. Feng , Zhaoyang Feng , Zhenyong Feng , W. Gao , Q. B. Gou , Y. Q. Guo , H. H. He , Haibing Hu , Hongbo Hu , M. Iacovacci , R. Iuppa , H. Y. Jia , Labaci Ren , H. J. Li , C. Liu , J. Liu , M. Y. Liu , H. Lu , L. L. Ma , X. H. Ma , G. Mancarella , S. M. Mari , G. Marsella , S. Mastroianni , P. Montini , C. C. Ning , L. Perrone , P. Pistilli , P. Salvini , R. Santonico , P. R. Shen , X. D. Sheng , F. Shi , A. Surdo , Y. H. Tan , P. Vallania , S. Vernetto , C. Vigorito , H. Wang , C. Y. Wu , H. R. Wu , L. Xue , Q. Y. Yang , X. C. Yang , Z. G. Yao , A. F. Yuan , M. Zha , H. M. Zhang , L. Zhang , X. Y. Zhang , Y. Zhang , J. Zhao , Zhaxici Ren , Zhaxisang Zhu , X. X. Zhou , F. R. Zhu , Q. Q. Zhu

The Prediction and Detection of UHE Neutrino Bursts

In this paper we look at \sim 10^14 eV neutrino bursts which are predicted to be observed in correlation with gamma ray bursts (GRBs). We describe an efficient way of constructing a km^2 effective area detector for these neutrino bursts.…

Astrophysics · Physics 2007-05-23 Mou Roy , H. J. Crawford , Athena Trattner

GRID: a Student Project to Monitor the Transient Gamma-Ray Sky in the Multi-Messenger Astronomy Era

The Gamma-Ray Integrated Detectors (GRID) is a space mission concept dedicated to monitoring the transient gamma-ray sky in the energy range from 10 keV to 2 MeV using scintillation detectors onboard CubeSats in low Earth orbits. The…

Instrumentation and Methods for Astrophysics · Physics 2021-09-03 Jiaxing Wen , Xiangyun Long , Xutao Zheng , Yu An , Zhengyang Cai , Jirong Cang , Yuepeng Che , Changyu Chen , Liangjun Chen , Qianjun Chen , Ziyun Chen , Yingjie Cheng , Litao Deng , Wei Deng , Wenqing Ding , Hangci Du , Lian Duan , Quan Gan , Tai Gao , Zhiying Gao , Wenbin Han , Yiying Han , Xinbo He , Xinhao He , Long Hou , Fan Hu , Junling Hu , Bo Huang , Dongyang Huang , Xuefeng Huang , Shihai Jia , Yuchen Jiang , Yifei Jin , Ke Li , Siyao Li , Yurong Li , Jianwei Liang , Yuanyuan Liang , Wei Lin , Chang Liu , Gang Liu , Mengyuan Liu , Rui Liu , Tianyu Liu , Wanqiang Liu , Di'an Lu , Peiyibin Lu , Zhiyong Lu , Xiyu Luo , Sizheng Ma , Yuanhang Ma , Xiaoqing Mao , Yanshan Mo , Qiyuan Nie , Shuiyin Qu , Xiaolong Shan , Gengyuan Shi , Weiming Song , Zhigang Sun , Xuelin Tan , Songsong Tang , Mingrui Tao , Boqin Wang , Yue Wang , Zhiang Wang , Qiaoya Wu , Xuanyi Wu , Yuehan Xia , Hengyuan Xiao , Wenjin Xie , Dacheng Xu , Rui Xu , Weili Xu , Longbiao Yan , Shengyu Yan , Dongxin Yang , Hang Yang , Haoguang Yang , Yi-Si Yang , Yifan Yang , Lei Yao , Huan Yu , Yangyi Yu , Aiqiang Zhang , Bingtao Zhang , Lixuan Zhang , Maoxing Zhang , Shen Zhang , Tianliang Zhang , Yuchong Zhang , Qianru Zhao , Ruining Zhao , Shiyu Zheng , Xiaolong Zhou , Runyu Zhu , Yu Zou , Peng An , Yifu Cai , Hongbing Chen , Zigao Dai , Yizhong Fan , Changqing Feng , Hua Feng , He Gao , Liang Huang , Mingming Kang , Lixin Li , Zhuo Li , Enwei Liang , Lin Lin , Qianqian Lin , Congzhan Liu , Hongbang Liu , Xuewen Liu , Yinong Liu , Xiang Lu , Shude Mao , Rongfeng Shen , Jing Shu , Meng Su , Hui Sun , Pak-Hin Tam , Chi-Pui Tang , Yang Tian , Fayin Wang , Jianjun Wang , Wei Wang , Zhonghai Wang , Jianfeng Wu , Xuefeng Wu , Shaolin Xiong , Can Xu , Jiandong Yu , Wenfei Yu , Yunwei Yu , Ming Zeng , Zhi Zeng , Bin-Bin Zhang , Bing Zhang , Zongqing Zhao , Rong Zhou , Zonghong Zhu

Observations of Gamma-ray Bursts with ASTRO-H and Fermi

ASTRO-H, the sixth Japanese X-ray observatory, which is scheduled to be launched by the end of Japanese fiscal year 2015 has a capability to observe the prompt emission from Gamma-ray Bursts (GRBs) utilizing BGO active shields for the soft…

High Energy Astrophysical Phenomena · Physics 2015-03-05 M. Ohno , T. Kawano , M. S. Tashiro , H. Ueno , D. Yonetoku , H. Sameshima , T. Takahashi , H. Seta , R. Mushotzky , K. Yamaoka , ASTRO-H SWG team , Fermi LAT/GBM collaborations

A General Overview for Localizing Short Gamma-ray Bursts with a CubeSat Mega-Constellation

The Gamma-Ray Burst Monitor (GBM) on the {\it Fermi Gamma-Ray Space Telescope}, for the first time, detected a short gamma ray burst (SGRB) signal that accompanies a gravitational wave signal GW170817 in 2017. The detection and localization…

High Energy Astrophysical Phenomena · Physics 2020-09-02 Fadil Inceoglu , Nestor J. Hernandez Marcano , Rune H. Jacobsen , Christoffer Karoff

Low Noise Double-Sided Silicon Strip Detector for Multiple-Compton Gamma-ray Telescope

A Semiconductor Multiple-Compton Telescope (SMCT) is being developed to explore the gamma-ray universe in an energy band 0.1--20 MeV, which is not well covered by the present or near-future gamma-ray telescopes. The key feature of the SMCT…

Astrophysics · Physics 2009-11-07 H. Tajima , T. Kamae , S. Uno , T. Nakamoto , Y. Fukazawa , T. Mitani , T. Takahashi , K. Nakazawa , Y. Oakada , M. Nomachi

Optical Spectroscopic Observations of Gamma-Ray Blazar Candidates. VII. Follow-up Campaign in the Southern Hemisphere

Searching for low energy counterparts of gamma-ray sources is one of the major challenges in modern gamma-ray astronomy. In the third Fermi source catalog about 30 % of detected sources are unidentified/unassociated Gamma-ray Sources…

Astrophysics of Galaxies · Physics 2019-03-26 Peña-Herazo , H. A. , Marchesini , E. J. , Álvarez Crespo , N. , Ricci , F. , Massaro , F. , Chavushyan , V. , Landoni , M. , Strader , J. , Chomiuk , L. , Cheung , C. C. , Masetti , N. , Jiménez-Bailón , E. , D'Abrusco , R. , Paggi , A. , Milisavljevic , D. , La Franca , F. , Smith , H. A. , Tosti , G.

The SVOM Mission

The Sino-French space mission SVOM is mainly designed to detect, localize and follow-up Gamma-Ray Bursts and other high-energy transients. The satellite, to be launched mid 2023, embarks two wide-field gamma-ray instruments and two…

Instrumentation and Methods for Astrophysics · Physics 2022-03-22 J-L. Atteia , B. Cordier , J. Wei

VERITAS Discovery of Very High-Energy Gamma-Ray Emission from RGB J2243+203

RGB J2243+203 is a blazar at an estimated redshift of greater than 0.39 that has been classified both as an intermediate-frequency-peaked BL Lac object and as a high-frequency-peaked BL Lac object. This source has been detected by VERITAS…

High Energy Astrophysical Phenomena · Physics 2019-08-13 A. U. Abeysekara

Identification of gamma-ray emission from 3C345 and NRAO512

For more than 15 years, since the days of the Energetic Gamma-Ray Experiment Telescope (EGRET) on board the Compton Gamma-Ray Observatory (CGRO; 1991-2000), it has remained an open question why the prominent blazar 3C 345 was not reliably…

Cosmology and Nongalactic Astrophysics · Physics 2011-11-09 F. K. Schinzel , K. V. Sokolovsky , F. D'Ammando , T. H. Burnett , W. Max-Moerbeck , C. C. Cheung , S. J. Fegan , J. M. Casandjian , L. C. Reyes , M. Villata , C. M. Raiteri , I. Agudo , O. J. A. Bravo Calle , D. Carosati , R. Casas , J. L. Gomez , M. A. Gurwell , H. Y. Hsiao , S. G. Jorstad , G. Kimeridze , T. S. Konstantinova , E. N. Kopatskaya , E. Koptelova , O. M. Kurtanidze , S. O. Kurtanidze , V. M. Larionov , E. G. Larionova , L. V. Larionova , A. P. Marscher , D. A. Morozova , M. G. Nikolashvili , M. Roca-Sogorb , J. A. Ros , L. A. Sigua , O. Spiridonova , I. S. Troitsky , V. V. Vlasyuk , A. P. Lobanov , J. A. Zensus

HETE-2 Localization and Observations of the Gamma-Ray Burst GRB 020813

A bright, long gamma-ray burst (GRB) was detected and localized by the instruments on board the High Energy Transient Explorer 2 satellite (HETE-2) at 02:44:19.17 UTC (9859.17 s UT) on 2002 August 13. The location was reported to the GRB…

Astrophysics · Physics 2010-11-11 R. Sato , the HETE Science Team

The GLAST Burst Monitor (GBM)

The selection of the GLAST burst monitor (GBM) by NASA will allow the investigation of the relation between the keV and the MeV-GeV emission from gamma-ray bursts. The GBM consists of 12 NaI and 2 BGO crystals allowing a continuous…

Astrophysics · Physics 2007-05-23 G. G. Lichti , M. S. Briggs , R. Diehl , G. Fishman , R. Georgii , R. M. Kippen , C. Kouveliotou , C. Meegan , W. Paciesas , R. Preece , V. Schoenfelder , A. von Kienlin

Application of the MST clustering to the high energy gamma-ray sky. I - New possible detection of high-energy gamma-ray emission associated with BL Lac objects

In this paper we show an application of the Minimum Spanning Tree (MST) clustering method to the high-energy gamma-ray sky observed at energies higher than 10 GeV in 6.3 years by the Fermi-Large Area Telescope. We report the detection of 19…

High Energy Astrophysical Phenomena · Physics 2016-05-03 R. Campana , E. Massaro , E. Bernieri , Q. D'Amato

Ground-based calibration and characterization of GRD of GECAM: 8-160 keV

As the main detector of the GECAM satellite, the calibration of the energy response and detection efficiency of the GRD detector is the main content of the ground-based calibration. The calibration goal requires the calibrated energy points…

Instrumentation and Methods for Astrophysics · Physics 2021-12-10 J. J. He , Z. H. An , W. X. Peng , X. Q. Li , S. L. Xiong , D. L. Zhang , R. Qiao , D. Y. Guo , C. Cai , Z. Chang , C. Chen , G. Chen , Y. Y. Du , M. Gao , R. Gao , K. Gong , D. J. Hou , C. Y. Li , G. Li , L. Li , M. S. Li , X. B. Li , X. F. Li , Y. G. Li , X. H. Liang , J. C. Liu , X. J. Liu , Y. Q. Liu , H. Lu , X. Ma , B. Meng , F. Shi , L. M. Song , X. L. Sun , C. W. Wang , H. Wang , H. Z. Wang , J. Z. Wang , Y. S. Wang , X. Wen , X. Y. Wen , S. Xiao , Y. B. Xu , Y. P. Xu , W. C. Xue , J. W. Yang , S. Yang , Q. B. Yi , C. M. Zhang , C. Y. Zhang , Fan Zhang , Fei Zhang , P. Zhang , S. N. Zhang , Y. Q. Zhang , X. Y. Zhao , Y. Zhao , C. Zheng , S. J. Zheng , X. Zhou , Y. Zhu

A ROSAT Deep Survey of Four Small Gamma-Ray Burst Error Boxes

We have used the ROSAT High Resolution Imager to search for quiescent X-ray counterparts to four gamma-ray bursts which were localized to small (< 10 sq. arcmin.) error boxes with the Interplanetary Network. The observations took place…

Astrophysics · Physics 2009-10-31 K. Hurley , P. Li , M. Boer , T. Cline , G. J. Fishman , C. Meegan , C. Kouveliotou , J. Greiner , J. Laros , C. Luginbuhl , F. Vrba , T. Murakami , H. Pedersen , J. van Paradijs

The First Gamma-ray Emitting BL Lacertae Object at the Cosmic Dawn

One of the major challenges in studying the cosmic evolution of relativistic jets is the identification of the high-redshift ($z>3$) BL Lacertae objects, a class of jetted active galactic nuclei characterized by their quasi-featureless…

High Energy Astrophysical Phenomena · Physics 2020-11-11 Vaidehi S. Paliya , A. Domínguez , C. Cabello , N. Cardiel , J. Gallego , B. Siana , M. Ajello , D. Hartmann , A. Gil de Paz , C. S. Stalin

Lyman-Break Galaxies at $z\sim 3$ in the Subaru Deep Field: Luminosity Function, Clustering and [OIII] Emission

We combined deep U-band imaging from the KPNO-4m/MOSAIC camera with very deep multi-waveband data from the optical to infrared, to select Lyman Break Galaxies (LBGs) at z~3 using U-V and V-R colors in the Subaru Deep Field. With the…

Astrophysics of Galaxies · Physics 2017-11-15 Matthew A. Malkan , Daniel P. Cohen , Miyoko Maruyama , Nobunari Kashikawa , Chun Ly , Shogo Ishikawa , Kazuhiro Shimasaku , Masao Hayashi , Kentaro Motohara

A Search for Millilensing Gamma-Ray Bursts in the Observations of Fermi GBM

Millilensing of Gamma-Ray Bursts (GRBs) is expected to manifest as multiple emission episodes in a single triggered GRB with similar light-curve patterns and similar spectrum properties. Identifying such lensed GRBs could help improve…

High Energy Astrophysical Phenomena · Physics 2022-05-25 Shi-Jie Lin , An Li , He Gao , Lin Lin , Bin-Bin Zhang , Zi-Ke Liu , Jin-Hang Zou , Zhao Zhang , Huan Zhou , Zheng-Xiang Li , Lin Lan

Centaurus X-3 - A Source of High Energy Gamma Rays

Centaurus X-3 is a well-studied high-mass accreting X-ray binary and a variable source of high energy gamma rays with energies from 100 MeV to 1 TeV. Previous results have suggested that the origin of the gamma rays is not the immediate…

Astrophysics · Physics 2009-10-30 P. M. Chadwick , M. R. Dickinson , N. A. Dipper , T. R. Kendall , T. J. L. McComb , K. J. Orford , J. L. Osborne , S. M. Rayner , I. D. Roberts , S. E. Shaw , K. E. Turver