Continuous spectrum of Wolf-Rayet stars

Details Continuous spectrum of Wolf-Rayet stars Continuous spectrum of Wolf-Rayet stars

Aug 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975afz....11..473r&link_type=abstract

Astrofizika, vol. 11, Aug. 1975, p. 473-485. In Russian.

Astronomy and Astrophysics

Astrophysics

1

Continuous Spectra, Hot Stars, Stellar Envelopes, Stellar Mass Ejection, Stellar Spectra, Wolf-Rayet Stars, Astrophysics, Electron Energy, Radiative Recombination, Stellar Luminosity, Stellar Temperature

Scientific paper

Theoretical energy fluxes are calculated for Wolf-Rayet stars on the assumption that the continuum radiation of such stars is the sum of Planckian radiation from the star itself and recombination radiation from its shell. These fluxes are compared with the observed energy fluxes of 13 WN and 7 WC stars. Good agreement is found for 9 of the stars, including all 7 WC stars. Assuming that helium is the major constituent of the shells, the electron temperature in the shell of each star is computed along with the ratio of shell luminosity to stellar luminosity. These results are used to estimate the electron temperature at the boundary of the photosphere and the annual mass-loss rate of a typical Wolf-Rayet star.

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