Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977rael...22q2305d&link_type=abstract
Radiotekhnika i Elektronika, vol. 22, Nov. 1977, p. 2305-2311. In Russian.
Astronomy and Astrophysics
Astronomy
Astrometry, Atmospheric Turbulence, Celestial Geodesy, Radio Interferometers, Troposphere, Turbulence Effects, Angular Resolution, Atmospheric Attenuation, Coordinates, Electrical Properties, Instrument Errors
Scientific paper
The paper presents a theoretical analysis of the effects of tropospheric turbulence on the accuracy of a very long baseline interferometry (VLBI) system. In particular, attention is given to the effects of turbulence on the accuracy of measurements of interference frequency and thus of the accuracy of associated coordinate measurements. It is shown that the tropospheric conditions limit the accuracy of individual angular measurements in a VLBI system by 0.01-0.02 arcseconds.
Dravskikh A. F.
Finkelshtein A. M.
Fridman Peter A.
Stotskii Alexander A.
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