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Transition Between Type I and Type III Bursts in Closed or Open Magnetic Field Lines
Published online by Cambridge University Press: 14 August 2015
Extract
When studying the propagation of accelerated electrons outwards in the corona, we have shown that the perpendicular momentum of the electrons remaining after the type I process is transformed into parallel momentum during the propagation along the decreasing magnetic field, and that type III emission can occur when the parallel velocity component reaches a critical value. With this model we explain in particular the low frequency cut-off of type I emission, the characteristics of the type III bursts near their starting frequency and the transition between type III- and type I-like decameter emission observed in few cases.
- Type
- Session VI - Solar Bursts - Decimeter and Low Frequency Observations
- Information
- Symposium - International Astronomical Union , Volume 86: Radio Physics of the Sun , 1980 , pp. 363 - 368
- Copyright
- Copyright © Reidel 1980