Evolving large-scale magnetic field and the global convection on the Sun

Details Evolving large-scale magnetic field and the global convection on the Sun Evolving large-scale magnetic field and the global convection on the Sun

Oct 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.505..333a&link_type=abstract

In: SOLMAG 2002. Proceedings of the Magnetic Coupling of the Solar Atmosphere Euroconference and IAU Colloquium 188, 11 - 15 Jun

Physics

Solar Magnetic Fields, Sun, Convection

Scientific paper

Large-scale magnetic field on Kitt Peak synoptic charts was investigated for many pairs of consecutive Carrington rotations of the last three solar activity cycles. Evolution of the large-scale magnetic regions can be described by horizontal transport velocity field in many grid points of the solar photosphere. A possible relationship between the current free magnetic field and the deformed force-free magnetic configurations is studied. The aim of the study is to demonstrate a role of dynamical properties of the large-scale magnetic flux during formation of the helical magnetic structures and a preparation of the pre-flare configurations in the solar atmosphere.

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