The First GECAM Observation Results on Terrestrial Gamma‐Ray Flashes and Terrestrial Electron Beams

Y Zhao,H M Zhang,J Z Wang,W C Xue,B X Zhang,S L Xiong,G Li,C Cai,G Chen,S Yang,X H Liang,S L Xie,D Y Guo,J Y Liao,P Zhang,Q B Yi,J C Liu,X Y Zhao,X Y Song,W X Peng,X Q Li,J Wang,B Li,C W Wang,X B Li,Y Huang,D L Zhang,K K Zhang,Yi‐Jun Xu ,Wenjun Tan ,Shuo Xiao ,Shi-Jie Zheng ,Ke Gong ,Min Gao ,Y.q Liu ,Rui Qiao ,Liming Song ,Gaopeng Lu ,Fangjun Lu ,Tingting Hu ,Jiulin Sun ,Fanchao Lyu ,Xl Sun ,Shuang‐Nan Zhang ,Xiang-Yang Wen ,Xingbo Han ,Hongya Geng ,J He ,Jing Liang ,Zhongfu An ,Yong Du ,Xiaoming Ma ,Zhe Zhang ,Hongbo Zhang ,Wei Xu ,Peng Wang ,Hong Wu ,Hailing Wu ,Chao Zheng ,Yi‐Qi Zhang ,Feng Zhang ,Heng Yu

doi:10.1029/2022gl102325

The First GECAM Observation Results on Terrestrial Gamma‐Ray Flashes and Terrestrial Electron Beams

Y Zhao, H M Zhang + Show 60 more

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https://doi.org/10.1029/2022gl102325

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Journal: Geophysical Research Letters	Publication Date: Jul 13, 2023
License type: CC BY-NC-ND 4.0

Affiliation: Institute of High Energy Physics, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Guizhou Normal University, University of Science and Technology of China, Hebei Normal University, National Space Science Center, Central China Normal University, China Meteorological Administration, Tongji University, Xiangtan University, Shanghai Micro Satellite Engineering Center, Southwest Jiaotong University, Beijing Normal University, Institute of Atmospheric Physics, Wuhan University

#Terrestrial Gamma‐ray Flashes #Charged Particle Detectors + Show 8 more

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Abstract

AbstractGravitational‐wave high‐energy Electromagnetic Counterpart All‐sky Monitor (GECAM) is a space‐borne instrument dedicated to monitoring high‐energy transients, including Terrestrial Gamma‐ray Flashes (TGFs) and Terrestrial Electron Beams (TEBs). We implemented a TGF/TEB search algorithm for GECAM, with which 147 bright TGFs, 2 typical TEBs and 2 special TEB‐like events are identified during an effective observation time of ∼9 months. We show that, with gamma‐ray and charged particle detectors, GECAM can effectively identify and distinguish TGFs and TEBs, and measure their temporal and spectral properties in detail. A very high TGF‐lightning association rate of ∼80% is obtained between GECAM and GLD360 in east Asia region.

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