arXiv 2112.047722021-12-09physics.ins-det

GECAM Gamma-ray和电荷粒子探测器的飞行性能

Inflight performance of the GECAM Gamma-ray and Charge particle Detectors

X. Q. Li, X. Y. Wen, S. L. Xiong, K. Gong, D. L. Zhang, Z. H. An, Y. B. Xu, Y. Q. Liu, C. Cai, Z. Chang, G. Chen, C. Chen, Y. Y. Du, M. Gao, R. Gao, D. Y. Guo, … 展开作者

X. Q. Li, X. Y. Wen, S. L. Xiong, K. Gong, D. L. Zhang, Z. H. An, Y. B. Xu, Y. Q. Liu, C. Cai, Z. Chang, G. Chen, C. Chen, Y. Y. Du, M. Gao, R. Gao, D. Y. Guo, J. J. He, D. J. Hou, Y. G. Li, C. Li, C. Y. Li, G. Li, L. Li, Q. X. Li, X. F. Li, M. S. Li, X. H. Liang, X. J. Liu, F. J. Lu, H. Lu, X. Ma, B. Meng, W. X. Peng, R. Qiao, F. Shi, L. M. Song, X. L. Sun, H. Wang, H. Z. Wang, J. Z. Wang, P. Wang, Y. S. Wang, X. Wen, S. Xiao, Y. P. Xu, S. Yang, J. W. Yang, Q. B. Yi, Fan. Zhang, S. N. Zhang, C. Y. Zhang, C. M. Zhang, Fei Zhang, K. Zhang, P. Zhang, X. Y. Zhao, Y. Zhao, S. J. Zheng, X. Zhou

备注：: 16 pages, 8 figures

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摘要：

GECAM任务由两颗相同的微型卫星（GECAM-A和GECAM-B）组成。每颗卫星配备25个伽马射线探测器和8个带电粒子探测器。GECAM飞行任务的主要科学目标是探测与致密双星合并产生的引力波事件有关的伽马射线暴。2020年12月10日发射后，我们进行了一系列在轨测试。本文介绍GECAM-B卫星的试验结果。根据飞行中的性能，GECAM-B的γ射线探测的能带为约7 keV至3.5 MeV。GECAM-B能实现伽玛暴的快速定位。GECAM-B首次利用北斗三号RDSS实现了触发信息的准实时传输。伽马射线暴，引力波，GRD，CPD

英文摘要：

The GECAM mission consists of two identical microsatellites (GECAM-A and GECAM-B). Each satellite is equipped with 25 gamma-ray detectors (GRD) and 8 charged particle detectors (CPD). The main scientific objective of the GECAM mission is to detect gamma-ray bursts (GRBs) associated with the gravitational wave events produced by the merging of binary compact stars. After the launch on Dec. 10, 2020 , we carried out a series of on orbit tests. This paper introduces the test results of the GECAM-B satellite. According to the in-flight performance, the energy band for gamma-ray detection of GECAM-B is from about 7 keV to 3.5 MeV. GECAM-B can achieve prompt localization of GRBs. For the first time, GECAM-B realized a quasi-real-time transmission of trigger information using Beidou-3 RDSS. Keywords GECAM, gamma-ray burst, gravitational wave, GRD, CPD

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