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

Yan-Qiu Zhang; Shao-Lin Xiong; Rui Qiao; Dong-Ya Guo; Wen-Xi Peng; Xin-Qiao Li; Wang-Chen Xue; Chao Zheng; 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

arXiv · 2303.00698

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

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Abstract

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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Yan-Qiu Zhang, Shao-Lin Xiong, Rui Qiao, Dong-Ya Guo, Wen-Xi Peng, Xin-Qiao Li, Wang-Chen Xue, Chao Zheng, 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. 2023-03-01. Cross calibration of gamma-ray detectors (GRD) of GECAM-C. https://arxiv.org/abs/2303.00698

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