Investigation of Magnetic Fields in Solar Active Regions

Details Investigation of Magnetic Fields in Solar Active Regions Investigation of Magnetic Fields in Solar Active Regions

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000arep...44..481g&link_type=abstract

Astronomy Reports, Volume 44, Issue 7, July 2000, pp.481-486

Astronomy and Astrophysics

Astronomy

3

Scientific paper

The magnetic-field structure in solar active regions outside spots is studied. The line-of-sight fields were measured using the new Crimean digital magnetograph in three spectral lines—Fe I 5253 Å, Fe II 5234 Å, and Ti I 5193 Å. Observations in the Fe II 5234 Å line indicate systematically higher field strengths than those in the Fe I 5253 Å line. The magnetic fluxes in 2″ elements are ˜4.3×1018 Mx, ˜4.6×1018 Mx, and ˜6.2×1018 Mx according to the Fe I 5253 Å, Ti I 5193 Å, and FeII 5234 Å observations, respectively. Elements 2″ 8″ in size make the largest contribution to the magnetic fluxes of active regions outside spots.

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