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Filament Connectivity and “Reconnection”

Published online by Cambridge University Press:  06 January 2014

Boris Filippov
Boris Filippov*
Affiliation:
Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences (IZMIRAN) IZMIRAN, Troitsk, Moscow, 142190, Russia email: [email protected]
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Abstract

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Stable long lived solar filaments during their lives can approach each other, merge, and form circular structures. Since filaments follow large scale polarity inversion lines of the photospheric magnetic field, their evolution reflects changes of the photospheric field distribution. On the other hand, filament interaction depends on their internal magnetic structure reviled in particular by filament chirality. Possibility of magnetic field line reconnection of neighbor filaments is discussed. Many examples of connectivity changes in a course of photospheric field evolution were found in our analysis of daily Hα filtergrams for the period of maximum activity of the solar cycle 23.

Keywords

Sun: chromosphereSun: filamentsSun: prominencesSun: magnetic fields
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S300: Nature of Prominences and their role in Space Weather , June 2013 , pp. 412 - 413
Copyright
Copyright © International Astronomical Union 2013 

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