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. The application specific integrated circuit (ASIC) chip, 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°×4°, 4°×4°, 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 μs. In this paper, we introduce the design and performance of ME.

中文翻译：

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Insight -HXMT天文学卫星上的中能X射线望远镜（ME）

的中等能量X射线望远镜（ME）是船上的三个主要望远镜之一的Insight硬X射线调制望远镜（洞察力HXMT）卫星天文。ME包含1728像素的Si-PIN检测器，灵敏度在5-30 keV中，总几何面积为952 cm ²。专用集成电路（ASIC）芯片VA32TA6用于实现低功耗和低读出噪声。准直仪为望远镜定义了三种视角（FOV）：1°×4°，4°×4°和被遮挡的。这种FOV的组合可用于估计在轨X射线和粒子背景成分。在17.8 keV（FWHM）下，ME的能量分辨率为〜3 keV，时间分辨率为255μs。在本文中，我们介绍了ME的设计和性能。