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Title:
Spatial Distribution of Magnetic Reconnection in the 2006 December 13 Solar Flare as Observed by Hinode
Authors:
Jing, Ju; Chae, Jongchul; Wang, Haimin
Affiliation:
AA(Center for Solar-Terrestrial Research, New Jersey Institute of Technology, Newark, NJ 07102.; Big Bear Solar Observatory, 40386 North Shore Lane, Big Bear City, CA 92314.), AB(Astronmy Program, Department of Physics and Astronomy, Seoul National University, Seoul, 151-742, Korea.), AC(Center for Solar-Terrestrial Research, New Jersey Institute of Technology, Newark, NJ 07102.; Big Bear Solar Observatory, 40386 North Shore Lane, Big Bear City, CA 92314.)
Publication:
The Astrophysical Journal, Volume 672, Issue 1, pp. L73-L76. (ApJ Homepage)
Publication Date:
01/2008
Origin:
UCP
ApJ Keywords:
Sun: Activity, Sun: Flares, Sun: Magnetic Fields
Abstract Copyright:
(c) 2008: The American Astronomical Society
DOI:
10.1086/526339
Bibliographic Code:
2008ApJ...672L..73J

Abstract

A massive two-ribbon flare and its source magnetic field region were well captured by the Solar Optical Telescope (SOT) on board Hinode in the Ca II H spectral line and by the Spectro-Polarimeter of SOT, respectively. Using the high-resolution Hinode data sets, we compare the spatial distribution of the local magnetic reconnection rate and the energy release rate along the ribbons with that of G-band kernels that serve as a proxy for the primary energy release. The G-band kernels spatially coincide with the maximum of both modeled quantities, which gives strong support for the reconnection model. We also investigate the magnitude scaling correlation between the ribbon separation speed Vr and magnetic field strength Bn at four 2 minute time bins around the maximum phase of the flare. It is found that Vr is weakly and negatively correlated with Bn. An empirical relation of Vr~B-0.15n is obtained at the flare peak time with an correlation coefficient ~-0.33. The correlation is weaker at other time bins.
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