Computer Science
Scientific paper
Aug 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iaujd...3e..13r&link_type=abstract
Solar Active Regions and 3D Magnetic Structure, 26th meeting of the IAU, Joint Discussion 3, 16-17 August, 2006, Prague, Czech R
Computer Science
Scientific paper
Spectropolarymetric observational data and the correspondent magnetic field inversion of the solar photosphere in quiet regions are presented. The presence of atomic coupling between the nuclei momentum (I) and total electron momentum ( J[LS]), known as hyperfine structure atomic regime where the total momentum F = I + J, was founded in the observed data for the atom MnI at 553.7 nm. The signature of these hyperfine structure is clearly detected in circular polarisation in form of protuberance in the central part of the profile. We have developed an inversion code of the magnetic field using the Principal Component Analysis (PCA). An statistical test is applied to the code obtaining satisfactory inversion results. The inversion of the observed profiles, using the circular polarisation (V) and the intensity (I), shows mixed regions with values of |B| higher than 800 Gauss and lower than 600 Gauss associated with the network and internetwork respectively.
López Ariste Arturo
Ramirez Velez J. C.
Semel Meir
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