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The Polarization of Type V Bursts

Published online by Cambridge University Press:  14 August 2015

D.E. Gary ,
S. Suzuki  and
G.A. Dulk
D.E. Gary
Affiliation:
Division of Radiophysics, CSIRO, Sydney, Australia
S. Suzuki
Affiliation:
Division of Radiophysics, CSIRO, Sydney, Australia
G.A. Dulk
Affiliation:
Division of Radiophysics, CSIRO, Sydney, Australia

Abstract

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From observations with the Culgoora spectropolarimeter operating in the frequency range 24–200 MHz, we find that Type V bursts are often polarized in the opposite sense from the preceding Type III bursts. We present here the results of a statistical study of how frequently this occurs and the relationship of such polarization reversals to the position of the source on the disk of the Sun. We then examine two possible reasons for the reversal of polarization. In a paper published elsewhere (Dulk et al., 1979) we give a more detailed description and include observations of source sizes, positions and brightness temperatures of Type III-V bursts.

Type
Session V - Solar Bursts - Meter-Decameter Wavelengths
Information
Symposium - International Astronomical Union , Volume 86: Radio Physics of the Sun , 1980 , pp. 333 - 338
Copyright
Copyright © Reidel 1980 

References

Dulk, G.A. and Suzuki, S.: 1979, “The position and polarization of Type III solar bursts”. Submitted to Astron. Astrophys.Google Scholar
Dulk, G.A., Melrose, D.B. and Suzuki, S.: 1979, “Evidence for extreme divergence of open field lines from solar active regions”. Proc. Astron. Soc. Aust. (in press).CrossRefGoogle Scholar
Dulk, G.A., Suzuki, S. and Gary, D.E.: 1979, “The position and polarization of Type V solar bursts”. Submitted to Astron. Astrophys.CrossRefGoogle Scholar
Melrose, D.B. and Sy, W.N.: 1972, Aust. J. Phys. 25, p. 387.CrossRefGoogle Scholar
Melrose, D.B., Dulk, G.A. and Smerd, S.F.: 1978, Astron. Astrophys. 66, p. 315.Google Scholar
Suzuki, S. and Sheridan, K.V.: 1977, Izv. Vyssh. Uchebn. Zaved. Radiofiz., 20, p. 1432 (English trans. 1978, Radiophys. Quantum Electron., 20, p.989).Google Scholar