Abstract Based on the computed equilibrium temperature of evaporating dirty water-ice grains, dirty water-ice halo is examined, taking into account of a size dependence of terminal velocity of dust at P/Halley. It is found that due to an enhanced grain's temperature caused by dirtiness, icy halo cannot extend over 100 km from the nucleus when comet approaches inside a solar distance r of 1 AU. Therefore, it is unlikely that the ice bands in the near infrared wavelengths could be detected in the cometary coma at r<1 AU.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Dirty ice grains in comets


    Beteiligte:
    Mukai, T. (Autor:in) / Mukai, S. (Autor:in) / Fechtig, H. (Autor:in) / Grün, E. (Autor:in) / Giese, R.H. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 5 , 12 ; 339-342


    Erscheinungsdatum :

    1985-01-01


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Comets

    Engineering Index Backfile | 1953


    'COMETS' COMPETITION

    Online Contents | 1997


    Dirty Minimalism

    Vanstiphout, Wouter | Online Contents | 2005


    Dirty Urbanism

    Zwoch, F. | Online Contents | 2002


    UNRELIABLE COMETS

    Moore, Patrick | Online Contents | 1995