The Astrophysical Journal, 623:L53–L56 , 2005 April 10 MAGNETIC FREE ENERGY IN NOAA
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Transcript of The Astrophysical Journal, 623:L53–L56 , 2005 April 10 MAGNETIC FREE ENERGY IN NOAA
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The Astrophysical Journal, 623:L53–L56, 2005 April 10
MAGNETIC FREE ENERGY IN NOAA ACTIVE REGION 10486 ON 2003 OCTOBER 29
Thomas R. Metcalf1,, K. D. Leka, D2. L. Mickey3
Received 2004 October 11; accepted 2005 March 1; published 2005 March 17
1 Lockheed Martin Solar and Astrophysics Laboratory 2 Colorado Research Associates Division,
NorthWest Research Associates, Inc.3 Institute for Astronomy, University of Hawaii
太陽雑誌会速報2005.06.13
T.T.Ishii
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Flares in Active Region NOAA 10486
Oct. 23a
23b 26
2829 Nov. 2
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RHESSI Light Curve (50-100keV,4s interval)
20 min.
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5Onset (20:37) Peak (20:49)
X10 Flare on 2003 Oct. 29
TRACE 1600 A
TRACE WLRed and Blue contourSOHO/ MDI (500 Gauss)
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Chromospheric vector magnetogram
Imaging Vector Magnetograph (IVM)Mees Solar Observatory
Na I D1 line (5895A)18:46 – 18:57 UT on 2003 Oct. 29
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Chromospheric vector magnetogram
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RHESSI Light Curve (50-100keV,4s interval)
Unusually large amount of free magnetic energyIncreasing ?? just after the impulsive phase
(large error)Previous results with the same instrument and method
NOAA 7216: 1.2 ± 0.2 (×1033 ergs)NOAA 8299: 1.3 ± 0.5 (×1033 ergs)