1 M1 中中中中 中中中 2005/10/17 1. こここここここここここ: 「ここここここここここここここここ こここここ」 2. こここここ
Jan 22, 2016
M1
2005/10/17
1introduction
magnetic reconnection inflowoutflow
reconnection rate MASweet-Parker model
Petschek model
Dere 1996,1996-2005 MA0.001-0.1
(1/2)
(2/2)reconnection rate MA 0.001-0.1
MAMA
Contentsintroduction
2000GOES C6 classGOES X Yohkoh/SXT X LSOHO/MDI magnetogram
event selection2000eventGOES class C6.0 Yohkoh/SXTBedisk center 800
C6 482
flareinflow
flare L vinflowflare :GOES.inflowAlfven MA =
L X classM class C6-C9vinflow=100km/svinflow=30km/svinflow=10km/svinflow=3km/s
Alfven
~ 10^{-15} g/ccinflowAlfven MA =
method1MDImagnetogramBph
BphX classM class C6-C9
method2GOES0.5-41-8fluxEM
BeqX classM class C6-C9Beq
flareLBcorvinflow,vA MAinflowAlfven MA =
(method1)
(method2)
Bscaling law
BX classM class C6-C9
B2000 November 24 15:13 X2.3 flare Gline-of-sight GGPotential fieldMAGPACK2Sakurai 1982
B100/244 0.4magnetogram
B100G481G2000 November 24 15:13 X2.3 flare244GB100/244 0.4MAGPACK2(Sakurai 1982)potential fieldB=0.3
scaling law MHDLBTscaling relation Yokoyama & Shibata 1998, Shibata & Yokoyama 1999
scaling law
2000 July 14 13:52 M3.7 flare
2000 July 14 13:52 M3.7 flare
Spitzer(fitting)Petschek modelX classM class C6-C9method 1 Reynolds
MAPetschek modelMAPetschek modelReynolds (-0.8c.f. Sweet-Parker model : -0.5)ReynoldsRmSpitzerMAPetschek modelRmSpitzer
12000
SVSTLaPalmamain reference: Shimizu et al. 2002ApJ Photospheric magnetic activities responsible for soft X-ray pointlike microflares. I. Identifications of associated photospheric/chromospheric activities
flareinflow
flare L4 Vinflow
GOES L
GOES
GOESBph
GOESBeq
FINAL/figures/tL.epsFINAL/figures2/tBph.epsFINAL/figures2/tBeq.epsFINAL/figures2/clMA_m1.epsANA/FINAL/figures2/clMA_m2.epsFINAL/figure2/Rm_MA_petschek_lf.eps
Solar-Bpoint like microflare EFShimizu et al. 2002LaPalmamagnetogram?