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H⍺, EUV and UV analysis of an eruptive 3B/X1.2 flare

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Title H⍺, EUV and UV analysis of an eruptive 3B/X1.2 flare
 
Creator Pande, Seema
Pande, Bimal
Uddin, Wahab
Pandey, Kavita
 
Subject Solar flare
Eruptive flare
Long duration event
Coronal mass ejection
Microwave bursts
 
Description 386-390
The present paper presents observational results of an extremely energetic eruptive flare 3B/X1.2 from superactive region NOAA 10486. The observations were taken on 26 October 2003 with 15 cm Solar Tower Telescope at Aryabhatta Research Institute of Observational Sciences (ARIES). Hα observations of the flare show long multi ribbon eruptions along a large twisted (sigmoid) filament in a high gradient (~90º) magnetic field and shear. The evolution pattern of this flare is similar in EUV and UV. Four eruptive centers or kernels in Hα have been chosen, wherein K₁ shows two prominent peaks while K₃ exhibits only one prominent peak with gradual decay. The analysis shows that this is a classical long duration event (LDE). The results have been discussed in the light of existing theories.
 
Date 2009-01-16T04:33:59Z
2009-01-16T04:33:59Z
2008-12
 
Type Article
 
Identifier 0367-8393
http://hdl.handle.net/123456789/2788
 
Language en_US
 
Publisher CSIR
 
Source IJRSP Vol.37(6) [December 2008]