80 MHz observations of a moving type IV solar burst,March 1, 1969 |
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| Authors: | A C Riddle |
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| Institution: | (1) Division of Radiophysics, C.S.I.R.O., Sydney, Australia |
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| Abstract: | The 80 MHz emission from a moving type IV source has been observed as the source moved from 2 to 51/4 R
 from the centre of the Sun. The emission came from a plasma cloud ejected in association with an extensive solar prominence. The cloud appeared to move with a speed ( 270 km/sec) approximating the local Alfvén velocity in the corona. At 2 R
the emission was from a single unpolarized source, while at 5 R
it was from two sources strongly circularly polarized in opposite senses. The physical conditions inside and outside the source and the emission mechanisms are discussed. |
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