The Magnetic Vector Structure of an Active Region Plage Field

Details The Magnetic Vector Structure of an Active Region Plage Field The Magnetic Vector Structure of an Active Region Plage Field

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008espm...12.2.58m&link_type=abstract

"12th European Solar Physics Meeting, Freiburg, Germany, held September, 8-12, 2008. Online at http://espm.kis.uni-freiburg.de/,

Physics

Scientific paper

We present scans of the active region plage associated with NOAA 10953, recorded with the Tenerife Infrared Polarimeter 2 (TIP-2) mounted behind the German Vacuum Tower Telescope (VTT) on Tenerife and the SOT-SP instrument on-board the HINODE spacecraft. TIP-2 recorded the full Stokes vector close to the diffraction limit of the telescope over a 20 angstroem wavelength range containing six magnetically sensitive FeI lines in the infrared including the g=3 line FeI 15648.5. With these lines we use the advantage that the Zeeman splitting dominates over the Doppler broadening for kG fields. The iron lines used by HINODE are FeI 6301.501and FeI 6302.494.
We analyzed the data by applying a Milne-Eddington type inversion to it. In the context of a two-component model we found a bimodal distribution of field strengths, strong fields whose field strength distribution peaks at 1400 [G] and a weak field distribution, which may be associated with quiet sun regions bordering on the plage.

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