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Recent Very Bright Type IV Solar Metre-Wave Radio Emissions

Published online by Cambridge University Press:  14 August 2015

R. A. Duncan ,
R. T. Stewart  and
G. J. Nelson
R. A. Duncan
Affiliation:
Division of Radiophysics, CSIRO, Sydney, Australia
R. T. Stewart
Affiliation:
Division of Radiophysics, CSIRO, Sydney, Australia
G. J. Nelson
Affiliation:
Division of Radiophysics, CSIRO, Sydney, Australia

Extract

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Stewart et al. (1978) have reported moving Type IV solar metre-wave radio outbursts with brightness temperatures between 108 and 1010 K. We now report Culgoora radioheliograph observations of four more Type IV radio sources, some moving, some stationary, but all with brightness temperatures above 109 K, and one with a brightness temperature above 1013 K. We also describe one of the previously reported events (that of 1977 September 20) in more detail. The interest of these events is that their high brightnesses place great strain upon the gyro-synchrotron theory of radio emission.

Type
Part V. Coronal and Interplanetary Responses to Short Time Scale Phenomena: - Observations
Information
Symposium - International Astronomical Union , Volume 91: Solar and Interplanetary Dynamics , 1980 , pp. 381 - 385
Copyright
Copyright © Reidel 1980 

References

Dulk, G.A.: 1973, Solar Phys. 32, 491.CrossRefGoogle Scholar
Duncan, R.A.: 1978, Proc. Astron. Soc. Aust. 3, 253.CrossRefGoogle Scholar
Duncan, R.A., and Dixon, J.M.: 1979, UAG Report, World Data Center A, Boulder, Colorado (in press).Google Scholar
Kai, K.: 1969, Proc. Astron. Soc. Aust. 1, 189.CrossRefGoogle Scholar
Kai, K.: 1978, Solar Phys. 56, 417.CrossRefGoogle Scholar
McLean, D.J.: 1974, in Coronal Disturbances , Proc. IAU Symp. 57 (Newkirk, G., ed.) D. Reidel, Dordrecht, p. 301.CrossRefGoogle Scholar
Stewart, R.T., Duncan, R.A., Suzuki, S., and Nelson, G.J.: 1978, Proc. Astron. Soc. Aust. 3, 247.CrossRefGoogle Scholar