Scientific instrumentation of PLANET-A VUV imaging of the hydrogen coma of Halley |
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| Authors: | K Hirao E Kaneda |
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| Institution: | The Institute of Space and Astronautical Science, Tokyo, Japan;Geophysics Research Laboratory, Faculty of Science, University of Tokyo, Tokyo, Japan |
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| Abstract: | The PLANET-A spacecraft to fly by Comet Halley is equipped with a VUV imaging camera which will take pictures of the hydrogen coma of the comet. The camera is composed of a telescopic mirror lens, a VUV image intensifier, two dimensional CCD, and controlling electronic circuits with a microprocessor. In order to eliminate the blur in the image due to the spinning motion of the spacecraft, a special technique called “spinsynchronized charge swift” is used in the CCD driving. |
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