The GECAM Real-time Burst Alert System

被引：2

作者：

Huang, Yue ^{[1
]}

Shi, Dongli ^{[1
,2
]}

Zhang, Xiaolu ^{[1
,3
]}

Ma, Xiang ^{[1
]}

Zhang, Peng ^{[1
,4
]}

Zheng, Shijie ^{[1
]}

Song, Liming ^{[1
]}

Zhao, Xiaoyun ^{[1
]}

Chen, Wei ^{[1
]}

Qiao, Rui ^{[1
]}

Song, Xinying ^{[1
]}

Wang, Jin ^{[1
]}

Cai, Ce ^{[5
,6
]}

Xiao, Shuo ^{[7
]}

Zhang, Yanqiu ^{[1
,8
]}

Xiong, Shaolin ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China

[2] Southwest Jiaotong Univ, Chengdu 611756, Peoples R China

[3] Qufu Normal Univ, Qufu 273165, Peoples R China

[4] Tongji Univ, Coll Elect & Informat Engn, Shanghai 201804, Peoples R China

[5] Hebei Normal Univ, Coll Phys, Shijiazhuang 050024, Peoples R China

[6] Hebei Normal Univ, Hebei Key Lab Photophys Res & Applicat, Shijiazhuang 050024, Peoples R China

[7] Guizhou Normal Univ, Guizhou Prov Key Lab Radio Astron & Data Proc, Guiyang 550001, Peoples R China

[8] Chinese Acad Sci, Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

RESEARCH IN ASTRONOMY AND ASTROPHYSICS | 2024年 / 24卷 / 10期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

(stars:) gamma-ray burst: general; gravitational waves; methods: data analysis; GAMMA-RAY BURSTS; ELECTROMAGNETIC COUNTERPARTS; LOCALIZATIONS; TELESCOPE;

D O I：

10.1088/1674-4527/ad6839

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM), consisting of two micro-satellites, is designed to detect gamma-ray bursts associated with gravitational-wave events. Here, we introduce the real-time burst alert system of GECAM, with the adoption of the BeiDou-3 short message communication service. We present the post-trigger operations, the detailed ground-based analysis, and the performance of the system. In the first year of the in-flight operation, GECAM was triggered by 42 gamma-ray bursts. The GECAM real-time burst alert system has the ability to distribute the alert within similar to 1 minute after being triggered, which enables timely follow-up observations.

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页数：12

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