{"title":"The GECAM Real-time Burst Alert System","authors":"Yue Huang, Dongli Shi, Xiaolu Zhang, Xiang Ma, Peng Zhang, Shijie Zheng, Liming Song, Xiaoyun Zhao, Wei Chen, Rui Qiao, Xinying Song, Jin Wang, Ce Cai, Shuo Xiao, Yanqiu Zhang, Shaolin Xiong","doi":"10.1088/1674-4527/ad6839","DOIUrl":null,"url":null,"abstract":"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 ∼1 minute after being triggered, which enables timely follow-up observations.","PeriodicalId":54494,"journal":{"name":"Research in Astronomy and Astrophysics","volume":"20 1","pages":""},"PeriodicalIF":1.8000,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Research in Astronomy and Astrophysics","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1088/1674-4527/ad6839","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ASTRONOMY & ASTROPHYSICS","Score":null,"Total":0}
引用次数: 0
Abstract
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 ∼1 minute after being triggered, which enables timely follow-up observations.
期刊介绍：
Research in Astronomy and Astrophysics (RAA) is an international journal publishing original research papers and reviews across all branches of astronomy and astrophysics, with a particular interest in the following topics:
-large-scale structure of universe formation and evolution of galaxies-
high-energy and cataclysmic processes in astrophysics-
formation and evolution of stars-
astrogeodynamics-
solar magnetic activity and heliogeospace environments-
dynamics of celestial bodies in the solar system and artificial bodies-
space observation and exploration-
new astronomical techniques and methods
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