Abstract The link between the optical and VLBI extragalactic reference frames is undertaken with a long-term program of differential VLBI astrometric observations of 12 radio stars. The status of the program and an assessment of the astrometric accuracy of these observations are presented.


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    Titel :

    VLBI astrometry and the Hipparcos link to the extragalactic reference frame


    Beteiligte:
    Lestrade, J.-F. (Autor:in) / Preston, R.A. (Autor:in) / Gabuzda, D.C. (Autor:in) / Phillips, R.B. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 11 , 2 ; 129-132


    Erscheinungsdatum :

    1991-01-01


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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