Effect of continuum absorption on the polarization of resonance lines

Multiple resonance scattering of radiation in a spectrum line with absorption in the continuum is examined. It is assumed that the scattering atmosphere is semi-infinite and that there is no magnetic field or continuum emission at the frequencies of the spectrum line. The polarization characteristic...

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Bibliographic Details
Published inAstrophysics Vol. 52; no. 4; pp. 545 - 564
Main Author Dementyev, A. V.
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.10.2009
Springer Nature B.V
Subjects
Astronomy
Astrophysics
Astrophysics and Astroparticles
Astrophysics and Cosmology
Magnetic fields
Observations and Techniques
Physics
Physics and Astronomy
Radiation
Scattering
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Polarization
resonance scattering
Voigt profile
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Summary:Multiple resonance scattering of radiation in a spectrum line with absorption in the continuum is examined. It is assumed that the scattering atmosphere is semi-infinite and that there is no magnetic field or continuum emission at the frequencies of the spectrum line. The polarization characteristics of the emerging radiation are determined for unpolarized primary radiation sources distributed uniformly within an atmosphere in the case of a Voigt absorption profile. The calculations employ an iterative solution of the Ambartsumyan-Chandrasekhar matrix integral equation.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0571-7256
1573-8191
DOI:10.1007/s10511-009-9087-z