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Primary Analysis on the Temporal Behaviors of Electric Current in the Solar Flare Events

Published online by Cambridge University Press:  01 November 2006

Baolin Tan ,
Haisheng Ji  and
Guangli Huang
Baolin Tan
Affiliation:
Purple Mountain Observatory CAS, Nanjing 210008, China email: baolintan@yahoo.com.cn Graduate School of the CAS, Beijing 100871, China
Haisheng Ji
Affiliation:
Purple Mountain Observatory CAS, Nanjing 210008, China email: baolintan@yahoo.com.cn
Guangli Huang
Affiliation:
Purple Mountain Observatory CAS, Nanjing 210008, China email: baolintan@yahoo.com.cn
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Abstract

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Using one-minute cadence vector magnetograms of BBSO, we analyze the temporal behavior of the derived vertical electric currents associated with two solar flares on July 26, 2002. One is an M1.0 flare occurred in AR10044, while the other is an M8.7 flare in the adjacent AR 10039. We find that the temporal behaviors of electric currents are very different. For the M1.0 flare, the current density drops rapidly near the flaring neutral line; while for the M8.7 flare, the current density rapidly increases.

Keywords

solar flareelectric currenttemporal behavior
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S233: Solar Activity and its Magnetic Origin , March 2006 , pp. 118 - 119
Copyright
© 2006 International Astronomical Union