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

被引：7

作者：

Zhao, Y. ^{[1
,2
]}

Liu, J. C. ^{[2
,3
]}

Xiong, S. L. ^{[2
]}

Xue, W. C. ^{[2
,3
]}

Yi, Q. B. ^{[2
,4
]}

Lu, G. P. ^{[5
]}

Xu, W. ^{[6
]}

Lyu, F. C. ^{[7
]}

Sun, J. C. ^{[2
]}

Peng, W. X. ^{[2
]}

Zheng, C. ^{[2
,3
]}

Zhang, Y. Q. ^{[2
,3
]}

Cai, C. ^{[8
]}

Xiao, S. ^{[9
,10
]}

Xie, S. L. ^{[11
]}

Wang, C. W. ^{[2
,3
]}

Tan, W. J. ^{[2
,3
]}

An, Z. H. ^{[2
]}

Chen, G. ^{[2
]}

Du, Y. Q. ^{[2
,12
]}

Huang, Y. ^{[2
]}

Gao, M. ^{[2
]}

Gong, K. ^{[2
]}

Guo, D. Y. ^{[2
]}

He, J. J. ^{[2
]}

Li, B. ^{[2
]}

Li, G. ^{[2
]}

Li, X. Q. ^{[2
]}

Li, X. B. ^{[2
]}

Liao, J. Y. ^{[2
]}

Liang, J. ^{[2
,12
]}

Liang, X. H. ^{[2
]}

Liu, Y. Q. ^{[2
]}

Ma, X. ^{[2
]}

Qiao, R. ^{[2
]}

Song, L. M. ^{[2
]}

Song, X. Y. ^{[2
]}

Sun, X. L. ^{[2
]}

Wang, J. ^{[2
]}

Wang, J. Z. ^{[2
]}

Wang, P. ^{[2
,13
]}

Wen, X. Y. ^{[2
]}

Wu, H. ^{[2
,12
]}

Xu, Y. B. ^{[2
]}

Yang, S. ^{[2
]}

Zhang, B. X. ^{[2
]}

Zhang, D. L. ^{[2
]}

Zhang, F. ^{[2
]}

Zhang, P. ^{[2
]}

Zhang, H. M. ^{[2
]}

机构：

[1] Beijing Normal Univ, Dept Astron, Beijing, Peoples R China

[2] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing, Peoples R China

[3] Univ Chinese Acad Sci, Beijing, Peoples R China

[4] Xiangtan Univ, Sch Phys & Optoelect, Xiangtan, Peoples R China

[5] Univ Sci & Technol China, Sch Earth & Space Sci, Hefei, Peoples R China

[6] Wuhan Univ, Elect Informat Sch, Wuhan, Peoples R China

[7] Nanjing Joint Inst Atmospher Sci, Key Lab Transportat Meteorol China Meteorol Adm, Nanjing, Peoples R China

[8] Hebei Normal Univ, Coll Phys, Hebei Key Lab Photophys Res & Applicat, Shijiazhuang, Peoples R China

[9] Guizhou Normal Univ, Guizhou Prov Key Lab Radio Astron & Data Proc, Guiyang, Peoples R China

[10] Guizhou Normal Univ, Sch Phys & Elect Sci, Guiyang, Peoples R China

[11] Cent China Normal Univ, Inst Astrophys, Wuhan, Peoples R China

[12] Southwest Jiaotong Univ, Sch Comp & Artificial Intelligence, Chengdu, Peoples R China

[13] Tongji Univ, Coll Elect & Informat Engn, Shanghai, Peoples R China

[14] Chinese Acad Sci, Innovat Acad Microsatellites, Shanghai, Peoples R China

[15] Chinese Acad Sci, Natl Space Sci Ctr, Beijing, Peoples R China

[16] Chinese Acad Sci, Inst Atmospher Phys, Key Lab Middle Atmosphere & Global Environm Observ, Beijing, Peoples R China

来源：

GEOPHYSICAL RESEARCH LETTERS | 2023年 / 50卷 / 14期

基金：

中国国家自然科学基金;

关键词：

terrestrial gamma-ray flashes; terrestrial electron beams; GECAM; PERFORMANCE; BREAKDOWN; GLD360; BURST;

D O I：

10.1029/2022GL102325

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Gravitational-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 & SIM;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 & SIM;80% is obtained between GECAM and GLD360 in east Asia region.

引用

页数：12

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