Continued ultraviolet studies of some Be stars of later type

Details Continued ultraviolet studies of some Be stars of later type Continued ultraviolet studies of some Be stars of later type

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985osuc.rept.....s&link_type=abstract

Final Technical Report, 15 May 1980 - 31 Aug. 1985 Ohio State Univ., Columbus. Dept. of Astronomy.

Astronomy and Astrophysics

Astronomy

Anomalies, B Stars, Ionization, Stellar Radiation, Ultraviolet Spectra, Line Spectra, Shell Stars, Spectral Resolution, Stellar Oscillations, Stellar Spectra

Scientific paper

Anomalous ionization (C IV and Si IV) is seen in IUE spectra of Be stars as late as B8, and occurs also in standard stars of similar spectral type. Asymmetrical lines suggesting mass loss are present in all the Be stars and several of the standard stars as well, with no obvious correlation with v sin i. Emission shoulders are present in the Mg II lines of two B5e stars but not in Be stars of later type. Again there is no correlation with v sin i. The A-F shell stars show rich Fe II absorption spectra in the ultraviolet, in one case with velocity structure.

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