The pre-CME Sun: Report of working group E

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dc.contributor.authorGopalswamy N.
dc.contributor.authorMikic Z.
dc.contributor.authorMaia D.
dc.contributor.authorAlexander D.
dc.contributor.authorCremades H.
dc.contributor.authorKaufmann P.
dc.contributor.authorTripathi D.
dc.contributor.authorWang Y.-M.
dc.date.accessioned2024-03-13T01:42:36Z
dc.date.available2024-03-13T01:42:36Z
dc.date.issued2006
dc.description.abstractThe coronal mass ejection (CME) phenomenon occurs in closed magnetic field regions on the Sun such as active regions filament regions transequatorial interconnection regions and complexes involving a combination of these. This chapter describes the current knowledge on these closed field structures and how they lead to CMEs. After describing the specific magnetic structures observed in the CME source region we compare the substructures of CMEs to what is observed before eruption. Evolution of the closed magnetic structures in response to various photospheric motions over different time scales (convection differential rotation meridional circulation) somehow leads to the eruption. We describe this pre-eruption evolution and attempt to link them to the observed features of CMEs. Small-scale energetic signatures in the form of electron acceleration (signified by nonthermal radio bursts at metric wavelengths) and plasma heating (observed as compact soft X-ray brightening) may be indicative of impending CMEs. We survey these pre-eruptive energy releases using observations taken before and during the eruption of several CMEs. Finally we discuss how the observations can be converted into useful inputs to numerical models that can describe the CME initiation. © Springer Science+Business Media Inc. 2006.
dc.description.firstpage303
dc.description.issuenumber1-3
dc.description.lastpage339
dc.description.volume123
dc.identifier.doi10.1007/s11214-006-9020-2
dc.identifier.issn0038-6308
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/37795
dc.relation.ispartofSpace Science Reviews
dc.rightsAcesso Restrito
dc.subject.otherlanguageActive regions
dc.subject.otherlanguageClosed and open magnetic fields
dc.subject.otherlanguageCoronal mass ejections
dc.subject.otherlanguageEnergy storage and release
dc.subject.otherlanguageFilaments
dc.subject.otherlanguageFlares
dc.subject.otherlanguageHelicity
dc.subject.otherlanguagePre -eruption signatures
dc.subject.otherlanguageProminences
dc.subject.otherlanguageRadio bursts
dc.subject.otherlanguageSolar magnetism
dc.subject.otherlanguageStreamers
dc.titleThe pre-CME Sun: Report of working group E
dc.typeArtigo
local.scopus.citations61
local.scopus.eid2-s2.0-33751546877
local.scopus.subjectCoronal mass ejection (CME)
local.scopus.subjectFlares
local.scopus.subjectRadio bursts
local.scopus.subjectSolar magnetism
local.scopus.subjectStreamers
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=33751546877&origin=inward
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