m1 中間発表 長島薫 2005/10/17
DESCRIPTION
M1 中間発表 長島薫 2005/10/17. これまでの研究のまとめ： 「 太陽フレアのリコネクションレートの統計解析 」 今後の研究. 1 太陽フレアのリコネクションレートの統計解析. introduction 解析方法とその結果 議論 まとめ. magnetic reconnection. 磁気張力で加速. 電流シート. 磁場のエネルギー ⇒ プラズマのエネルギー. inflow. リコネクション前. リコネクション後. outflow. - PowerPoint PPT PresentationTRANSCRIPT
-
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?