Abstract An infrared sounder is being developed in France to observe in 1986 Comet Halley from the Soviet “VEGA” flyby probes. The instrument, called “I.K.S.”, has three measuring channels. Two of these channels will provide the spectrum of the comet emission in the spectral intervals 2.5–5.0 μ and 6–12 μ, at a constant resolution λ/Δλ = 50. The third channel analyzes the comet I.R. image at a spatial frequency of about 1 arc minute−1; two I.R. colours are used in this channel: 7–10 μ and 10–14 μ. From the results expected, it is hoped that (1) most primary simple molecules emitted by the nucleus will be identified; (2) the chemical composition and perhaps crystalline structure of the dust grains and ices released by the comet will be derived; and (3) the diameter of the nucleus and its brightness temperatures will be measured.


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    Titel :

    The Comet Halley flyby I.R. sounder “I.K.S.”


    Beteiligte:
    Arduini, M. (Autor:in) / Cazes, S. (Autor:in) / Crifo, J.F. (Autor:in) / Gispert, R. (Autor:in) / Harduin, D. (Autor:in) / Lamarre, J.M. (Autor:in) / Combes, M. (Autor:in) / Coron, N. (Autor:in) / Encrenaz, T. (Autor:in) / Bibring, J.P. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1983-01-01


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch