Polarization of emerging resonance radiation: model profiles |
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| Authors: | V M Loskutov |
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| Institution: | 1.V. V. Sobolev Institute of Astronomy, St. Petersburg University,St. Petersburg,Russia |
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| Abstract: | The limiting polarization of a resonance line is examined for standard radiative transfer of polarized radiation in a semi-infinite
scattering atmosphere with complete frequency redistribution. Two families of profiles of the line absorption coefficient,
which are generalizations of Lorentz and Doppler profiles, are examined. It is shown that for both families this parameter
approaches the Sobolev-Chandrasekhar limit when the fraction of absorption within the frequency interval (expressed in appropriate
units) from −1 to 1 relative to the total absorption in the line approaches unity. |
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