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PERFORMANCE COMPARISON OF TWO WOLTER TYPE II TELESCOPES IN THE FAR ULTRAVIOLET

机译:远紫外线中两种II型望远镜的性能比较

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Experimental results for image quality and scatter in far-UV light are used to choose between the conventionally polished Solar Extreme-Ultraviolet Rocket Telescope and Spectrograph (SERTS-A) and computer-controlled polished SERTS-C Welter type II solar rocket telescopes for an extreme-UV flight instrument. In 124-nm light the SERTS-C telescope image had a 0.67-arcsec full width at half-maximum (FWHM), compared with a 1.25-arcsec FWHM for the SERTS-A telescope. In addition SERTS-C had twice the peak irradiance of SERTS-A and an order of magnitude lower near-angle scatter. The inflight performance of the telescopes is consistent with laboratory findings. [References: 12]
机译:利用远紫外光下图像质量和散射的实验结果,可以在常规抛光的太阳极端紫外火箭望远镜和光谱仪(SERTS-A)和计算机控制的抛光SERTS-C Welter II型太阳火箭望远镜之间进行选择。 -UV飞行仪表。在124 nm的光线下,SERTS-C望远镜的图像的半高全宽(FWHM)为0.67弧秒,而SERTS-A望远镜的图像的全宽为1.25 arcsec。另外,SERTS-C的峰值辐照度是SERTS-A的两倍,并且近角散射较低一个数量级。望远镜的飞行性能与实验室的发现是一致的。 [参考:12]

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