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Coronal Mass Ejections and Solar Radio EmissionsCoronal mass ejections (CMEs) have important connections to various types of radio emissions from the Sun. The persistent noise storm radiation (type I storm at metric wavelengths, type III storms at longer wavelengths) can be clearly interrupted by the occurrence of a CME in the active region that produces the storm. Sometimes the noise storm completely disappears and other times, it reappears in the active region. Long-lasting type III bursts are associated with CME eruption, thought to be due to the reconnection process taking place beneath the erupting CME. Type II bursts are indicative of electron acceleration in the CME-driven shocks and hence considered to be the direct response of the CME propagation in the corona and interplanetary medium. Finally type IV bursts indicate large-scale post-eruption arcades containing trapped electrons that produce radio emission. This paper summarizes some key results that connect CMEs to various types of radio emission and what we can learn about particle acceleration in the corona) and interplanetary medium. Particular emphasis will be placed on type If bursts because of their connection to interplanetary shocks detected in situ.
Document ID
20100031234
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Gopalswamy, Nat
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 25, 2013
Publication Date
September 15, 2010
Subject Category
Solar Physics
Meeting Information
Meeting: 7th International Workshop on Planetary, Solar and Heliospheric Radio Emissions (PRE VII)
Location: Graz
Country: Austria
Start Date: September 15, 2010
End Date: September 17, 2010
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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