Observation of quasi-periodic solar radio bursts associated with propagating fast-mode waves⋆

Author： Goddard C. R.   Nisticò G.   Nakariakov V. M.   Zimovets I. V.   White S. M.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|594|issue|A96-A96

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.594, Iss.issue, 2016-10, pp. : A96-A96

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Abstract

Aims. Radio emission observations from the Learmonth and Bruny Island radio spectrographs are analysed to determine the nature of a train of discrete, periodic radio “sparks” (finite-bandwidth, short-duration isolated radio features) which precede a type II burst. We analyse extreme ultraviolet (EUV) imaging from SDO/AIA at multiple wavelengths and identify a series of quasi-periodic rapidly-propagating enhancements, which we interpret as a fast wave train, and link these to the detected radio features.

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