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A study of hard X-ray associated meter-decameter bursts observed on December 19, 1979The results of a study of the relationship of a complex meter-decameter wavelength radio burst observed with the Clark Lake E-W and N-S interferometers, with a hard X-ray burst observed with the X-ray spectrometer aboard ISEE-3 are presented. The radio burst consisted of several type III's, reverse drift type III's, a U burst, and type II and type IV bursts. The X-ray emission was also complex. The radio as well as hard X-ray emissions were observed before the flash phase of the flare; they were not always associated and it is conjectured that this may constitute evidence for acceleration of electrons high in the corona. On the other hand, all components of the reverse drift burst were associated with hard X-ray subpeaks, indicating multiple injection of electron beams along field lines with different density gradients. While the type II burst appeared to be related to the hard X-ray burst, a detailed correspondence between individual features of the radio and hard X-ray burst emissions could not be found. The type IV burst started after all hard X-ray emissions ceased. Its source appeared to be a magnetic arch, presumably containing energetic electrons reponsible for the gyrosynchrotron radiation of type IV.
Document ID
19860058110
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Kundu, M. R.
(Maryland Univ. College Park, MD, United States)
Gergely, T. E.
(Maryland, University College Park, United States)
Kane, S. R.
(Maryland Univ. College Park, MD, United States)
Sawant, H. S.
(California, University Berkeley, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1986
Publication Information
Publication: Solar Physics
Volume: 103
ISSN: 0038-0938
Subject Category
Solar Physics
Accession Number
86A42848
Funding Number(s)
CONTRACT_GRANT: NAG5-376
CONTRACT_GRANT: NSF AST-82-15463
CONTRACT_GRANT: NAS5-25980
Distribution Limits
Public
Copyright
Other

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