The IUE ultraviolet spectrum of Eta CMa

Details The IUE ultraviolet spectrum of Eta CMa The IUE ultraviolet spectrum of Eta CMa

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992balta...1...37s&link_type=abstract

Baltic Astronomy, vol. 1, p. 37

Astronomy and Astrophysics

Astronomy

1

Iue, Stellar Winds, Ultraviolet Spectra, Hot Stars, Radial Velocity, Resonance

Scientific paper

The results of a study of the high-resolution IUE spectrum of Eta CMa in the range 1,170-3,000 A are outlined. The observed spectrum has the best fit to the model spectrum with Teff = 1,3000 K and log g = 2. Computer recognition and identification of about 1,700 observed spectral features has been carried out. The resonance lines of CII, SiIV, AlIII, CIV show changes in profiles which suggest the presence of some shell condensations moving with time-dependent radial velocities.

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