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Published byJeffry Harmon Modified over 9 years ago
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3-D Magnetic Field Configuration of the 2006 December 13 Flare Yang Guo & Ming-De Ding Department of Astronomy, Nanjing University, China Thomas Wiegelmann Max-Planck-Institut für Sonnensystemforschung, Germany Hui Li Purple Mountain Observatory, Nanjing, China Beijing 2007 December 8–10
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General Information of the Flare Location: S07W22 Active Region: NOAA10930 Start Time: 2006/12/13 02:14:00 Peak Time: 02:40:00 Stop Time: 02:57:00 GOES Class: X3.4
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Vector Magnetic Field obtained by SOT/SP onboard Hinode Bigger rectangle: FOV for 3-D calculation Smaller rectangle: FOV for TRACE and SOT/BFI images Spatial Resolution: 0.3” Scan Time: ~1 hour FOV: 328”×164“
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3-D 2-D How to Reconstruct the 3-D Field
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Nonlinear Force-free Field Extrapolation Method Photospheric boundary condition Basic equations of force-free field Optimization method Wheatland, M.S., Sturrock, P.A., and Roumeliotis, G. 2000, ApJ, 540, 1150. Wiegelmann, T. 2004, Sol. Phys. 219, 87.
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Observation time: Dec 12, 2006 20:45 - 21:15 (left panel) top view (right column) side view Extrapolation Result Red lines: core field Blue lines: lower envelope field Black lines: higher envelope field
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Dec 12, 2006 20:45 – 21:15 Dec 13, 2006 04:45 – 05:15
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(top row) before flare Dec 12, 2006 20:45 – 21:15 (bottom row) after flare Dec 13, 2006 04:45 – 05:15 Dips Feature before the Flare
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Magnetic Energy Release
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Energy release: Magnetic Energy Release
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Shear Angle Changes
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XRT onboard Hinode TRACE 1600 Ca II H
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Tether-Cutting Model Moore et al. 2001, ApJ
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Thank You!
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