Radio Fundamental Catalogue
of compact radio sources. Provides positions, maps, and
estimates of the correlated flux density for over
20,000 extragalactic radio sources.
VLBI Calibrator search engine
allows to find compact radio sources useful as
a calibrator for VLBI experiments within the specified search
radius of the target objects.
The VLBI image database of
compact radio sources. It provides over 100,000
images of more than twenty thousands active galaxy
nuclei in radio waves.
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Responsible NASA official: Leonid Petrov
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