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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    Title :

    VLBI astrometry and the Hipparcos link to the extragalactic reference frame


    Contributors:

    Published in:

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


    Publication date :

    1991-01-01


    Size :

    4 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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