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Some results on solar activity at 408 MHz

Published online by Cambridge University Press:  14 August 2015

B. Clavelier
B. Clavelier*
Affiliation:
Observatoire de Meudon (S. et O.), France

Abstract

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We present the first results obtained with the 408 MHz interferometer of Nançay. The typical activity observed at 408 MHz is the ‘noise storm’. Undoubtedly with this apparatus we could distinguish multiple centres, generally double.

The comparison with corresponding optical observations and with Nançay observations at frequency 169 MHz allowed us to associate the centres of noise storm at 408 MHz with eruptive centres lying in ‘Anomalous Active Regions’ and to describe the schematical structure of active zones.

Type
Part VIII: Radio Structure of an Active Region
Information
Symposium - International Astronomical Union , Volume 35: Structure and Development of Solar Active Regions , 1968 , pp. 556 - 564
Copyright
Copyright © Reidel 1968 

References

Clavelier, B. (1967) Ann. Astrophys., 30, 895.Google Scholar
Le Squeren, A. M. (1963) Ann. Astrophys., 26, 97.Google Scholar
Martres, M.J., Michard, R., Soru-Iscovici, J. (1966) Ann. Astrophys., 29, 246.Google Scholar