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Browsing Unisa ETD by Subject "Galaxies -- Reference systems -- Surveys"

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VLBI Imaging of ICRF Sources in the Southern Hemisphere using Geodetic and Astrometric Observations

Basu, Sayan (2020-05)

The present International Celestial Reference Frame (ICRF), the ICRF-3 is based on a catalogue of 4536 quasar positions obtained from Very Long Baseline Interferometry (VLBI) radio measurements. This radio frame is crucial ...

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