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19 April 2024

» arxiv » 1910.4451

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The Medium Energy (ME) X-ray telescope onboard the Insight-HXMT astronomy satellite
Xuelei Cao ; Weichun Jiang ; Bin Meng ; Wanchang Zhang ; Tao Luo ; Sheng Yang ; Chunlei Zhang ; Yudong Gu ; Liang Sun ; Xiaojing Liu ; Jiawei Yang ; Xian Li ; Ying Tan ; Shaozhen Liu ; Yuanyuan Du ; Fangjun Lu ; Yupeng Xu ; Shuangnan Zhang ; Huanyu Wang ; Tipei Li ; Chengmo Zhang ; Xiangyang Wen ; Mingyu Ge ; Yupeng Zhou ; Shaolin Xiong ; Shu Zhang ; Yongjie Zhang ; Zehao Cheng ; Fei Zhang ; Maoshun Li ; Xiaohua Liang ; Min Gao ; Enbo Yang ; Xiaohang Liu ; Hongwei Liu ; Yirong Yang ; Fan Zhang ;
Date:	10 Oct 2019
Abstract:	The Medium Energy X-ray telescope (ME) is one of the three main telescopes on board the Insight Hard X-ray Modulation Telescope (Insight-HXMT) astronomy satellite. ME contains 1728 pixels of Si-PIN detectors sensitive in 5-30 keV with a total geometrical area of 952 cm2. Application Specific Integrated Circuit (ASIC) chips, VA32TA6, is used to achieve low power consumption and low readout noise. The collimators define three kinds of field of views (FOVs) for the telescope, 1{deg}{ imes}4{deg}, 4{deg}{ imes}4{deg}, and blocked ones. Combination of such FOVs can be used to estimate the in-orbit X-ray and particle background components. The energy resolution of ME is ~3 keV at 17.8 keV (FWHM) and the time resolution is 255 {mu}s. In this paper, we introduce the design and performance of ME.
Source:	arXiv, 1910.4451
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