Resonance line polarization - The line core

Details Resonance line polarization - The line core Resonance line polarization - The line core

Feb 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....54..675d&link_type=abstract

Astronomy and Astrophysics, vol. 54, no. 3, Feb. 1977, p. 675-681.

Other

31

Absorption Spectra, Polarization Characteristics, Stellar Atmospheres, Stellar Spectra, Chromosphere, Frequency Distribution, Isothermal Processes, Nonequilibrium Thermodynamics, Photosphere, Rates (Per Time)

Scientific paper

Polarization effects in non-LTE line formation have been investigated by the Feautrier (1964) method for semiinfinite plane-parallel atmospheres and Doppler frequency redistribution. The influence of the probability of photon destruction during scattering and the error introduced by the assumption of completed redistribution are discussed in the case of isothermal atmospheres. The treatment is then extended to a model simulating the main features of the solar chromosphere and photosphere, and the influence of line strength in such conditions is discussed under the assumption of complete redistribution. In the different cases, the polarization rate of the emitted light is computed as a function of frequency and direction, and the two source functions are calculated as a function of optical depth.

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