Abstract We calculate the electrostatic potential of silicate, graphite and carbon submicronic grains in the coma of comet P/Halley located at 1 AU from the Sun using the “orbit-limited” solution. The physical properties of the materials as well as the plasma parameters of the subsolar cometosheath are taken into account. We find that the potential lies between −3 and +4 volts in all cases, under likely conditions. It could be negative, between 0 and −10 volts, if the plasma would be a little more dense than usually admitted, as suggested by recent measures.


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    Title :

    The potential of the dust grains of comet halley


    Contributors:
    Lamy, P. (author) / Lafon, J.-P.J. (author) / Dumas, C. (author)

    Published in:

    Advances in Space Research ; 13 , 10 ; 259-265


    Publication date :

    1993-01-01


    Size :

    7 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Dust emission of Comet Halley at large heliocentric distances

    Gruen, E. / Schwehm, G. / Massonne, L. et al. | NTRS | 1985