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CUBIC: filters and the space environment

机译：立方：过滤器和空间环境

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CUBIC, the Cosmic Unresolved x-ray Background Instrument using CCDs, is instrumented to make non-dispersive spectral observations, with moderate energy resolution over the energy range 200 eV - 10 keV. The CUBIC filter set is designed to attenuate optical and UV photons, with special emphasis on blocking geocoronal lines. To still allow useful soft x-ray transmission, a single thin (1200 angstroms) Al/Ti filter has been designed as the Optical/UV blocking filter. Since the detectors are mechanically collimated, the CUBIC filters are susceptible to pin hole punctures from micrometeoroids. We review some of the LDEF micrometeoroid measurements, and find that while there is good probability that micrometeoroids will transit our filter, the holes will be small enough and few enough in number to have no significant impact on our stray light counting rate.
机译：立方体，宇宙未解决的X射线背景仪器使用CCD进行仪表，以使不分散的光谱观测，在能量范围200eV -10Kev上具有中等能量分辨率。立方体滤波器集设计为衰减光学和紫外光子，特别强调阻挡地理围线。为了允许有用的软X射线传输，单个薄（1200埃）Al / Ti滤波器被设计为光/ UV阻挡滤波器。由于探测器机械准直，立方体过滤器易于从微晶体突出的尖孔穿刺。我们审查了一些LDEF微象性测量测量，发现虽然微观物流器将过滤的较好概率，但孔将足够小，数量足以对我们的杂散光计数没有显着影响。

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