Theoretical emission-line profiles of Wolf-Rayet stars with low-mass companions

Details Theoretical emission-line profiles of Wolf-Rayet stars with low-mass companions Theoretical emission-line profiles of Wolf-Rayet stars with low-mass companions

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986azh....63.1152a&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 63, Nov.-Dec. 1986, p. 1152-1168. In Russian.

Mathematics

Probability

1

Binary Stars, Emission Spectra, Stellar Spectra, Wolf-Rayet Stars, Companion Stars, Equilibrium Equations, Line Spectra, Probability Theory, Resonance Lines

Scientific paper

Profiles of the resonant line λ765 Å and the subordinate line λ4058 Å of N IV have been calculated for a binary system model consisting of a Wolf-Rayet star and a low-mass companion (possibly, a relativistic object) by means of Sobolev's approximation. The equations of statistical equilibrium have been solved for the first 32 levels of N IV. Two cases have been considered: (1) detached zone of N V surrounding the Wolf-Rayet star and the companion; (2) common zone of N V. The criteria for detecting the existence of a companion in line profile observations have been formulated.

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