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In-flight Trigger Classification Algorithm for GECAM-C

delete2026-04-29
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PRE
AI
L
Liu, Jia-Ciong
S
S. L. Xiong *
Y
Y. Huang
X
Xiao‐Yun Zhao
C
Chenwei Wang
X
Xiang-Yang Wen
C
Chao Zheng
X
Xue, Wang-Chen
Z
Zhang, Yan-Qiu
王
王越 (Yue Wang)
G
Guo, Hao-Xuan
R
Ren, Yang-Zhao
S
Sheng-Lun Xie
P
Peng Zhang
A
An, Zheng-Hua
K
Ke Gong
L
Li, Xiao-Bo
X
Xinqiao Li
L
Liu, Ya-Qing
L
Liu, Xiao-Jing
X
Xiang Ma
R
Rui Qiao
J
Jin Wang
P
P. F. Wang
S
Sheng Yang
S
Shijie Zheng
DOI:10.1088/1674-4527/ae3370delete
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Abstract

Abstract

En 中文
As a member of the Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) constellation, GECAM-C is an all-sky gamma-ray monitor with in-flight trigger capability aboard the SATech-01 experimental satellite. Operating in a Sun-Synchronous Orbit, GECAM-C generates many in-flight triggers, some of which correspond to important astrophysical bursts, such as gamma-ray bursts and soft gamma-ray repeaters, which may require follow-up observations. However, there are also a substantial number of non-astrophysical triggers, such as particle events. Therefore, a prompt and accurate classification of in-flight triggers is essential for scientific research. In this work, we propose an automatic trigger classification algorithm for GECAM-C in-flight triggers with Bayesian inference. Applying this method to GECAM-C triggers from 2022 December to 2023 December, we demonstrate that it can successfully categorize all trigger types with an accuracy of about 95%, thereby providing effective support for rapid follow-up observations.
Keywords:
instrumentation: detectors
methods: statistical
methods: data analysis

Journal

R
Research in Astronomy and Astrophysics
IF:
0
Papers:
95
Citations:
0

Organization

C
chinese academy of sciences
Scholars:
56.7W
Papers: 45.0W
Citations: 704
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