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首页> 外文期刊>Earth, planets and space: EPS >The Upper Atmosphere and Plasma Imager/the Telescope of Visible Light (UPI/TVIS) onboard the Kaguya spacecraft
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The Upper Atmosphere and Plasma Imager/the Telescope of Visible Light (UPI/TVIS) onboard the Kaguya spacecraft

机译：Kaguya航天器上的高层大气和等离子成像仪/可见光望远镜（UPI / TVIS）

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The Upper Atmosphere and Plasma Imager (UPI) was placed in a lunar orbit in order to study both the Moon and Earth. The UPI consists of two telescopes: a Telescope of Extreme Ultraviolet (TEX) and a Telescope of Visible Light (TVIS), which are both mounted on a two-axis gimbals system. The TVIS is equipped with fast catadioptric optics and a high-sensitivity CCD to image swift aurora and dark airglow in the terrestrial upper atmosphere. TVIS has a field-of-view equivalent to the Earth's disk as seen from the Moon. The spatial resolution is about 30 km × 70 km on the Earth's surface at auroral latitudes. The observation wavelengths can be changed by selecting different bandpass filters. Using the images of the northern and southern auroral ovals taken by TVIS, the intensities and shapes of the conjugate auroras will be quantitatively compared. Using the airglow imaging, medium- and large-scale ionospheric disturbances will be studied. In this paper, the instrumental design and performance of TVIS are presented.
机译：为了研究月球和地球，将上层大气和等离子成像仪（UPI）放置在月球轨道上。 UPI由两个望远镜组成：极端紫外线望远镜（TEX）和可见光望远镜（TVIS），它们都安装在两轴万向架系统上。 TVIS配备了快速反射折射光学器件和高灵敏度CCD，可在地面高层大气中成像快速的极光和暗气。 TVIS的视场相当于从月球看到的地球盘。在极光纬度上，地球表面的空间分辨率约为30 km×70 km。观察波长可以通过选择不同的带通滤光片来改变。使用TVIS拍摄的北部和南部极光椭圆的图像，将定量比较共轭极光的强度和形状。使用气辉成像，将研究中型和大型电离层扰动。本文介绍了TVIS的仪器设计和性能。

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