AstraLux：Calar Alto Lucky成像相机
AstraLux: the Calar Alto Lucky Imaging Camera
摘要：
AstraLux是Calar Alto 2.2米望远镜的幸运成像相机，基于电子倍增高速CCD。通过选择几千个短曝光帧中最好的1-10%，AstraLux在SDSS i'和z'滤波器中提供了24 x24弧秒视场内几乎受衍射限制的成像能力。通过尽可能地选择商业上可获得的组件，可以在短时间内以极低的成本建造该仪器。我们介绍了仪器的设计，数据简化流水线，并总结了性能和特点
英文摘要：
AstraLux is the Lucky Imaging camera for the Calar Alto 2.2-m telescope, based on an electron-multiplying high speed CCD. By selecting only the best 1-10% of several thousand short exposure frames, AstraLux provides nearly diffraction limited imaging capabilities in the SDSS i' and z' filters over a field of view of 24x24 arcseconds. By choosing commercially available components wherever possible, the instrument could be built in short time and at comparably low cost. We present the instrument design, the data reduction pipeline, and summarise the performance and characteristics
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