Patterns of Flux Emergence

Details Patterns of Flux Emergence Patterns of Flux Emergence

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agusmsh54a..01t&link_type=abstract

American Geophysical Union, Spring Meeting 2008, abstract #SH54A-01

Physics

7524 Magnetic Fields, 7529 Photosphere

Scientific paper

The high spatial resolution and high cadence of the Solar Optical Telescope on the JAXA Hinode spacecraft have allowed capturing many examples of magnetic flux emergence from the scale of granulation to active regions. The observed patterns of emergence are quite similar. Flux emerges as a array of small bipoles on scales from 1 to 5 arc seconds throughout the region that the flux eventually condenses. Because the fields emerging from the underlying flux rope my appear many in small segments and the total flux (absolute sum) is not a conserved quantity the amount of total flux on the surface may vary significantly during the emergence process. Numerical simulations of flux emergence exhibit patterns similar to observations. Movies of both observations and numerical simulations will be presented.

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