The infrared imaging channel of the IKS instrument for detection of Comet Halley nucleus |
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| Authors: | J.-M. Lamarre B. Gondet R. Gispert C. Emerich F. Rocard |
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| Affiliation: | Laboratoire de Physique Stellaire et Planétaire, B.P. 10, 91371 Verrières le BuissonCédex, France;Laboratoire René Bernas, Université Paris-Sud, 91406 Orsay, France |
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| Abstract: | The imaging Channel of the IKS Instrument placed on board the Vega fly-by probes will perform measurements of the infrared emission of the central region of Comet Halley at distances in the 104 ? 105 km range. An encoding wheel analyses one spatial frequency of the infrared image during the whole fly-by. Inversion of this measurement will give low resolution brightness profiles of the nucleus and its immediate surroundings, in two wave-length bandpasses and in two directions of analysis. |
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