Evidence for mass loss in the mid-ultraviolet spectra of Be stars

Details Evidence for mass loss in the mid-ultraviolet spectra of Be stars Evidence for mass loss in the mid-ultraviolet spectra of Be stars

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...216..457m&link_type=abstract

Astrophysical Journal, Part 1, vol. 216, Sept. 1, 1977, p. 457-461.

Astronomy and Astrophysics

Astrophysics

9

B Stars, Line Spectra, Stellar Mass Ejection, Stellar Models, Ultraviolet Spectra, Balloon-Borne Instruments, Magnesium, Shell Stars, Stellar Envelopes

Scientific paper

The spectral region about the Mg II doublet lines near 2800 A of Be and shell stars has been observed. The star Gamma Cas shows narrow components to each resonance doublet line shifted 215 km/s toward shorter wavelengths. The resonance and subordinate lines of Zeta Tau are shifted toward shorter wavelengths by 75 km/s, and the subordinate lines are greatly strengthened. The star Kappa Dra, which is much later in spectral type, shows a comparatively normal doublet spectrum.

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