Line transfer in supernovae envelopes by Sobolev's treatment

Details Line transfer in supernovae envelopes by Sobolev's treatment Line transfer in supernovae envelopes by Sobolev's treatment

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.169..287r&link_type=abstract

(IAU, European Regional Astronomy Meeting on New Windows to the Universe, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics a

Astronomy and Astrophysics

Astrophysics

Continuous Radiation, Spectral Energy Distribution, Stellar Envelopes, Supernovae, Line Spectra, Opacity, Optical Thickness

Scientific paper

The effect of some physical parameters (the continuum opacity, the ratio of scattering over absorption, and the temperature profile) on the emergent intensity of a resonant scattering line is analyzed by using an approach combining an accurate treatment of continuum transfer in supernovae envelopes with a line transfer treatment based on Sobolev's approximation. It is shown that the continuum opacity in supernova envelopes can produce an important attenuation in the emergent intensity of the line. The assumed temperature structure in the envelope is shown to have a primary effect on the emergent line intensity through the continuum radiant field.

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