Ultraviolet observations of stellar winds in Be and 'normal' B non-supergiant stars

Details Ultraviolet observations of stellar winds in Be and 'normal' B non-supergiant stars Ultraviolet observations of stellar winds in Be and 'normal' B non-supergiant stars

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.241..721p&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 241, Dec. 15, 1989, p. 721-752. Research supported by S

Astronomy and Astrophysics

Astronomy

44

B Stars, Stellar Spectra, Stellar Winds, Ultraviolet Astronomy, Data Reduction, Iue, O Stars, Stellar Mass Ejection, Ultraviolet Spectra, Wind Velocity

Scientific paper

Model profile fits to high-resolution IUE C IV, Si IV, and Si III spectra are used to produce a homogeneous set of wind-velocity and column-density measurements for 40 early-type Be stars and 40 nonemission, nonsupergiant B stars. The mass-loss characteristics in the Be and normal B stars are compared. Results on stellar wind morphology, velocities, column densities, mass-loss, and ionization balance are presented. The UV properties are compared to H-alpha, IR, and polarization observations of Be stars. The results are used to discuss the roles of radiation pressure and rotation in driving the winds of Be stars.

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