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The Crossover and Magneto-Optical Effects in Sunspot Spectra

Published online by Cambridge University Press:  14 August 2015

V. M. Grigoryev  and
J. M. Katz
V. M. Grigoryev
Affiliation:
Siberian Institute of Terrestrial Magnetism, Ionosphere and Radio Propagation, Irkutsk, U.S.S.R.
J. M. Katz
Affiliation:
Siberian Institute of Terrestrial Magnetism, Ionosphere and Radio Propagation, Irkutsk, U.S.S.R.

Abstract

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Two peculiarities of the magnetic splitting of a line in sunspot spectra have been investigated. The one is that in a rather small region of the penumbra near the umbra-penumbra boundary the π-component is absent in one circular polarization spectrum while both σ-components are present. In the spectrum of opposite circular polarization the σ-components are absent but the π-component is present. The second peculiarity consists of the anomalous splitting of the π-component of Zeeman triplets which are of the same and opposite signs in comparison with splitting of the σ-components. The nature of these effects is discussed.

Type
Part II: The Interpretation of Magnetograph Results – The Formation of Absorption Lines in a Magnetic Field
Information
Symposium - International Astronomical Union , Volume 43: Solar Magnetic Fields , 1971 , pp. 148
Copyright
Copyright © Reidel 1971