Kinetic and magnetic helicities in solar active regions

Details Kinetic and magnetic helicities in solar active regions Kinetic and magnetic helicities in solar active regions

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jphcs.271a2003m&link_type=abstract

Journal of Physics: Conference Series, Volume 271, Issue 1, pp. 012003 (2011).

Physics

1

Scientific paper

We have studied the kinetic and magnetic helicities in sub-photospheric flows and photospheric magnetic fields, respectively, of a sample of 91 ARs of solar cycle 23. Hemispheric trend is investigated in the kinetic helicity of sub-photospheric flows averaged in the depth range of 2.5-12 Mms. Magnetic helicity parameters for the ARs are derived using photospheric vector magnetograms to examine their correlation with the corresponding kinetic helicities. We found no significant association between the two helicity parameters.

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