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45. The quiet and active sun: Introductory Lecture

Published online by Cambridge University Press:  14 August 2015

C. W. Allen
C. W. Allen*
Affiliation:
University of London Observatory, England

Extract

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It is both convenient and realistic to regard the solar radio-emission as being composed of a quiet permanent part coming from the whole of the sun's surface, together with a superimposed variable part emitted from centres of activity. The variable part can be further subdivided into various components to which separate reference will be made. The components are almost independent and add to one another to give the solar emission recorded by radio telescopes. For our understanding of the phenomena it would be a great advantage if the components could be completely and reliably segregated but this is not always possible. The results from a wide network of observational stations are recorded in the Quarterly Bulletin of Solar Activity, from which the intensities and characteristics of most of the components may be extracted.

Type
Part IV: The Quiet Sun
Information
Symposium - International Astronomical Union , Volume 4: Radio Astronomy , 1957 , pp. 253 - 262
Copyright
Copyright © Cambridge University Press 1957 

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