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Observations at $0{\hbox{.\!\!^{\prime\prime}}}1$ Resolution of the Dynamic Evolution of Magnetic Elements
Published online by Cambridge University Press: 14 March 2005
Abstract
We present observations of the dynamic evolution of photospheric magnetic elements in the G-band, magnetograms and Dopplergrams. The observations were obtained with the Swedish 1m Solar Telescope on La Palma at close to the diffraction limit of $0{\hbox{.\!\!^{\prime\prime}}}1$. In the most quiet regions we observe individual bright points in the G-band with corresponding magnetic signal in the magnetograms. Where the filling factor of the magnetic field is larger, the bright points interact when advected by the granular and super-granular flow-fields, flux sheets form and fragment. The plage region of the decaying active region is filled with more complex topologies like ribbon structures with darker interior and bright, knotted edges. These change into flower-like shape when small in extent and into micro-pores when the flux region is larger in extent. The magnetic elements in the plage region are associated with upflows with strong downflows in the immediate vicinity in the low-field region.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html
- Type
- Contributed Papers
- Information
- Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS223 , June 2004 , pp. 207 - 210
- Copyright
- © 2004 International Astronomical Union