Early warning for VHE gamma-ray flares with the ARGO-YBJ detector

Bruno Bartoli,Palo Bernardini,Xiaojun Bi,C. Bleve,I. Bolognino,Paolo Branchini,Antonio Budano,A. K. Calabrese Melcarne,Paolo Camarri,Zhen Cao,Álvaro Cappa,Roberto Cardarelli,Sergio Catalanotti,C. Cattaneo,Paola Celio,S. Z. Chen,Tianlu Chen,Yu Chen,Pietro Creti,Shuwang Cui,Benzhong Dai,G. Dalí Staiti, Danzengluobu,M. Dattoli,Ivan De Mitri,B. Dettorre Piazzoli,Tristano Di Girolamo,Xiaohong Ding,Giuseppe Di Sciascio,Cunfeng Feng,Zhaoyang Feng,Zhenyong Feng,Fulvio Galeazzi,Piero Galeotti,Elio Giroletti,Quanbu Gou,Yiqing Guo,Huihai He, Haibing Hu,Hongbo Hu,Qing Huang,Michele Iacovacci,Roberto Iuppa,I. James,Huanyu Jia, Labaciren,Haijin Li,Jinyu Li,Xinxin Li,G. Liguori,C. X. Liu,Chun Liu,Jun Liu,Maoyuan Liu,Hong Lü,Xinhua Ma,G. Mancarella,Stefano M. Mari,Giovanni Marsella,Donald V. Martello,Stefano Mastroianni,P. Montini,Changchun Ning,Antonio Pagliaro,Marco Panareo,Beatrice Panico,Lorenzo Perrone,P. Pistilli,Xiaobo Qu,Elio Rossi,Federico Ruggierí,Paola Salvini,Rinaldo Santonico,Peiruo Shen,Xiangdong Sheng,Feng Shi,Cristian Stanescu,Antonio Surdo,Youheng Tan,P. Vallania,Silvia Vernetto,Carlo Vigorito,Bo Wang,Hui Wang,Chaoyong Wu,Hong Wu,Bin Xu,Liang Xue,Y. X. Yan,Qunyu Yang, ,Zhiguo Yao,Aifang Yuan,Min Zha,Huimin Zhang,Jilong Zhang,Jianli Zhang,Li Zhang,Pin Zhang,Xueyao Zhang,Yongjie Zhang, Zhaxiciren, Zhaxisangzhu,Xunxiu Zhou,Feng Zhu,Qingqi Zhu,G. Zizzi

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2011）

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摘要

Detecting and monitoring emissions from flaring gamma-ray sources in the very-high-energy (VHE, > 100GeV) band is a very important topic in gamma-ray astronomy. The ARGO-YBJ detector is characterized by a high duty cycle and a wide field of view. Therefore, it is particularly capable of detecting flares from extragalactic objects. Based on fast reconstruction and analysis, real-time monitoring of 33 selected VHE extragalactic sources is implemented. Flares exceeding a specific threshold are reported timely, hence enabling the follow-up observation of these objects using more sensitive detectors, such as Cherenkov telescopes.

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关键词

Monitoring,Flaring phenomenon,VHE extragalactic source,Wide field of view,ARGO-YBJ

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