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Cross calibration of gamma-ray detectors (GRD) of GECAM-C

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arxiv 2303.00698 v1 pith:I6RCLPOX submitted 2023-03-01 astro-ph.IM astro-ph.HE

Yan-Qiu Zhang , Shao-Lin Xiong , Rui Qiao , Dong-Ya Guo , Wen-Xi Peng , Xin-Qiao Li , Wang-Chen Xue , Chao Zheng
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Jia-Cong Liu Wen-Jun Tan Chen-Wei Wang Peng Zhang Ping Wang Ce Cai Shuo Xiao Yue Huang Pei-Yi Feng Xiao-Bo Li Li-Ming Song Qi-Bin Yi Yi Zhao Zhi-Wei Guo Jian-Jian He Chao-Yang Li Ya-Qing Liu Ke Gong Yan-Qi Du Xiao-Jing Liu Sheng-Lun Xie Guo-Ying Zhao Xiao-Yun Zhao Xiao-Lu Zhang Zhen Zhang Shi-Jie Zheng Jin Wang Xiang-Yang Wen Zheng-Hua An Da-Li Zhang Min Gao Xi-Lei Sun Xiao-Hua Liang Sheng Yang Jin-Zhou Wang Gang Chen Fan Zhang
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keywords gecam-cgamma-raycalibrationdetectorsburstsenergyfermimatrix
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The gamma-ray detectors (GRDs) of GECAM-C onborad SATech-01 satellite is designed to monitor gamma-ray transients all over the sky from 6 keV to 6 MeV. The energy response matrix is the key to do spectral measurements of bursts, which is usually generated from GEANT4 simulation and partially verified by the ground calibration. In this work, energy response matrix of GECAM-C GRD is cross-calibrated with Fermi/GBM and Swift/BAT using a sample of Gamma-Ray Bursts (GRBs) and Soft Gamma-Ray Repeaters (SGRs). The calibration results show there is a good agreement between GECAM-C and other reasonably well calibrated instrument (i.e. Fermi/GBM and Swift/BAT). We also find that different GRD detectors of GECAM-C also show consistency with each other. All these results indicate that GECAM-C GRD can provide reliable spectral measurements.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 4 citations worldwide. Full citation record

  1. Extending the short gamma-ray burst population from sub-threshold triggers in Fermi/GBM and GECAM data and its implications

    astro-ph.HE 2025-09 conditional novelty 6.0 of 10

    Fermi/GBM sub-threshold triggers, when cross-checked with GECAM, yield 49 confirmed transients including 41 short GRBs, implying the short-GRB rate may be nearly twice the triggered-only rate.

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