Dec. 10, 2004 RHESSI/SOHO/TRACE Pre-flare Energy Pre-flare Energy Storage Storage Current sheets Current sheets (YES) (YES) Reconnection Reconnection (NO (NO then then YES) YES) Dana Longcope Dana Longcope Montana State University Montana State University Work supported by NASA NAG5-10489 Work supported by NASA NAG5-10489 Thanks: Dave McKenzie Thanks: Dave McKenzie Jonathan Cirtain Jonathan Cirtain Jason Scott Jason Scott
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Dec. 10, 2004RHESSI/SOHO/TRACE Pre-flare Energy Storage Current sheets (YES) Reconnection (NO then YES) Dana Longcope Montana State University Work supported.
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Dec. 10, 2004 RHESSI/SOHO/TRACE
Pre-flare Energy StoragePre-flare Energy StoragePre-flare Energy StoragePre-flare Energy Storage
Current sheets Current sheets (YES)(YES)
Reconnection Reconnection (NO (NO thenthen YES) YES)
Dana LongcopeDana LongcopeMontana State UniversityMontana State University
Work supported by NASA NAG5-10489Work supported by NASA NAG5-10489
Thanks: Dave McKenzieThanks: Dave McKenzieJonathan CirtainJonathan Cirtain
Jason ScottJason Scott
Dec. 10, 2004 RHESSI/SOHO/TRACE
The Photospheric FieldThe Photospheric FieldThe Photospheric FieldThe Photospheric Field
• distribution of distribution of isolatedisolated sourcessources• evolution over ~ evolution over ~ daysdays• anchors coronal anchors coronal fieldfield
2001-08-10 12:51 UT 2001-08-10 12:51 UT 2001-08-11 17:39 UT 2001-08-11 17:39 UT
Dec. 10, 2004 RHESSI/SOHO/TRACE
The Coronal FieldThe Coronal FieldThe Coronal FieldThe Coronal Field
P07
P10
N09
N05
N01
P04
Total flux connecting Total flux connecting PPii N Njj: : ijij
7171
coronal connectionscoronal connections
4949
Dec. 10, 2004 RHESSI/SOHO/TRACE
The Coronal FieldThe Coronal FieldThe Coronal FieldThe Coronal Field
• All flux connecting P07All flux connecting P07N01N01 enclosed by 2 enclosed by 2 separaticesseparatices• Intersect at Intersect at separatorseparator
• All P07All P07N01 lines enclosedN01 lines enclosed
• All flux connecting P07All flux connecting P07N01N01 enclosed by 2 enclosed by 2 separaticesseparatices• Intersect at Intersect at separatorseparator
Dec. 10, 2004 RHESSI/SOHO/TRACE
Model of energy storageModel of energy storageModel of energy storageModel of energy storageUnconstrained minimum: 0 B
Flux Flux (v)(v) linking poles linking poles
0
WWpotpot
WW
Dec. 10, 2004 RHESSI/SOHO/TRACE
Model of energy storageModel of energy storageModel of energy storageModel of energy storageConstrain Flux & minimize energy…