Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pazh....6..269o&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 6, May 1980, p. 269-274.) Soviet Astronomy Letters, vol. 6, May-June 1980, p. 149-152.
Astronomy and Astrophysics
Astronomy
3
Galactic Nuclei, Galactic Structure, Hyperfine Structure, Interstellar Extinction, Quasars, Radio Astronomy, Scintillation, Astronomical Maps, Astronomical Models, Galactic Evolution, Galactic Radiation, Spatial Distribution
Scientific paper
Interstellar scintillations can be utilized to investigate the hyperfine (less than or equal to 10 to the -5th arc sec) angular structure of quasars and galaxy nuclei, as well as its evolution with time. The detection of such scintillations is most promising at wavelengths near 3 cm. The expected scintillation index m is approximately equal to 1%, with a time scale of about 3h. Scintillation measurements of compact structures in quasars and galaxy nuclei would be a valuable complement to results obtained by the VLBI method.
Ozernoj L. M.
Shishov V. I.
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