Abstract
A review of the accuracy of radio interferometric positions of extragalactic sources is given. A mean catalog of radio positions is presented. With the accuracy currently attainable, radio observations can contribute significantly to the determination of astronomical constants.
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Johnston, K.J., Spencer, J.H., Kaplan, G.H. et al. Astrometric radio source catalogs. Celestial Mechanics 22, 143–151 (1980). https://doi.org/10.1007/BF01228801
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DOI: https://doi.org/10.1007/BF01228801