Abstract
IN 1948, Hey, Parsons and Phillips1 reported that at 4.1-metres wave-length bursts of radio emission, usually of a few minutes duration, occurred more often in association with flares on the eastern half of the sun's disk than on the western half. Subsequent observations have confirmed this conclusion. In a recent analysis of radio emissions at 1.5-metres wavelength, Dodson, Hedeman and Owren2 could find no evidence of this asymmetry. The following reasons may explain why they failed to observe the effect.
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References
Hey, J. S., Parsons, S. J., and Phillips, J. W., Mon. Not. Roy. Astro. Soc., 108, 354 (1948).
Dodson, H. W., Hedeman, E. R., and Owren, L., Astrophys. J., 118, 169 (1953).
Unsöld, A., and Chapman, S., Observatory, 69, 219 (1949).
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HEY, J., HUGHES, V. Solar Radio Asymmetry at 4-Metres Wave-length. Nature 173, 771 (1954). https://doi.org/10.1038/173771a0
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DOI: https://doi.org/10.1038/173771a0
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