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Interstellar Scintillations as a Tool for Investigations of Hyperfine Structure in Extragalactic Radio Sources

Published online by Cambridge University Press:  14 August 2015

L. M. Ozernoy  and
V. I. Shishov
L. M. Ozernoy
Affiliation:
Lebedev Physical Institute, Academy of Sciences of USSR, Moscow
V. I. Shishov
Affiliation:
Lebedev Physical Institute, Academy of Sciences of USSR, Moscow

Extract

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Attempts to use interstellar scintillations (ISS) to study the fine angular structure of quasars and galactic nuclei have not yet met with any success. The main reason for this lies in the comparatively large angular size of the nuclear structure which has been investigated. If dependencies on wavelength for the scintillation index, flux and angular size of a source are taken into account (Ozernoy and Shishov, 1980), it appears that centimeter wave band rather than decimeter wave range used in previous work is most appropriate for observing ISS.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 97: Extragalactic Radio Sources , 1982 , pp. 325 - 326
Copyright
Copyright © Reidel 1982 

References

Andrew, B. H., MacLeod, J. M, Harvey, G. A., and Medd, W. J.: 1978, Astron. J. 83, 863.CrossRefGoogle Scholar
Ozernoy, L. M., and Shishov, V. I.: 1980, Pis'ma Astron. Zh. 5. 171 (Sov. Astron. Lett. 5, 92).Google Scholar