The depths of sunspot magnetic field sources calculated on the basis of magnetographic measurements in two spectral lines

Details The depths of sunspot magnetic field sources calculated on the basis of magnetographic measurements in two spectral lines The depths of sunspot magnetic field sources calculated on the basis of magnetographic measurements in two spectral lines

Oct 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.505..449k&link_type=abstract

In: SOLMAG 2002. Proceedings of the Magnetic Coupling of the Solar Atmosphere Euroconference and IAU Colloquium 188, 11 - 15 Jun

Computer Science

1

Sunspots, Magnetic Fields

Scientific paper

We present a method of determining the depth of the source of the magnetic field beneath a sunspot, based on semiempirical modelling and the use of a dipole model's magnetic field space configuration. The dipole approximation is applied to the longitudinal component of the magnetic field measured in spectral lines Fe I 5253.47 Å and Mg I 5172.7 Å, formed at different heights of the solar atmosphere. We give the depths of magnetic field sources for several sunspots from active regions NOAA 9503, 9504, 9505 and 9506 observed on 21 June 2001, and comment on the results obtained.

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