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The CODEX sounding rocket payload

机译：CODEX探空火箭有效载荷

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We present the CODEX sounding rocket payload, a soft x-ray (0.1-1.0 keV) spectrometer designed to observe diffuse high-surface brightness astronomical sources. The payload is composed of two modules, each with a 3.25° x 3.25° field of view defined by a stack of wire grids that block light not coming to a 3.0 m focus and admit only nearly-collimated light onto an array of 67 diffraction gratings in an off-plane mount. After a 2.0 m throw, the spectrum is detected by offset large-format gaseous electron multiplier (GEM) detectors. CODEX will target the Vela supernova remnant later this year to measure the temperature and abundances and to determine the contributions of various soft x-ray emission mechanisms to the remnant's energy budget; resulting spectra will have resolution (E/△E) ranging from 50 to 100 across the band. CODEX is the third-generation of similar payloads from the University of Colorado, with an increased bandpass, higher throughput, and a more robust mechanical structure than its predecessors.
机译：我们介绍了CODEX探空火箭有效载荷，这是一种软X射线（0.1-1.0 keV）光谱仪，旨在观察漫射的高表面亮度天文来源。有效负载由两个模块组成，每个模块的视野为3.25°x 3.25°，由一堆线栅定义，该栅栅阻挡光线不会到达3.0 m的焦点，并且仅将近准直的光线入射到67个衍射光栅的阵列中在非平面安装中。投掷2.0 m后，通过偏置大幅面气态电子倍增器（GEM）检测器检测光谱。 CODEX将在今年晚些时候针对Vela超新星残余物进行测量，以测量温度和丰度，并确定各种软X射线发射机制对残余物能量预算的贡献；整个频段的光谱分辨率（E /△E）为50至100。 CODEX是来自科罗拉多大学的第三代类似有效负载，与以前的产品相比，具有更高的带通，更高的吞吐量和更坚固的机械结构。

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