Fe 2 absorption lines in the IUE high resolution spectra of F supergiants and shell stars

Details Fe 2 absorption lines in the IUE high resolution spectra of F supergiants and shell stars Fe 2 absorption lines in the IUE high resolution spectra of F supergiants and shell stars

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982esasp.176..139g&link_type=abstract

In ESA 3rd European IUE Conf. p 139-141 (SEE N83-11889 02-88)

Computer Science

F Stars, Iron, Line Spectra, Shell Stars, Supergiant Stars, Ultraviolet Absorption, Binary Stars, Ground State, Iue, Metastable State, Ultraviolet Spectra

Scientific paper

The IUE UV spectrum of F supergiant alpha Car was used to study the spectra of Be and shell stars, enigmatic binary epsilon Aur, intersystem FeII lines, and instrumental effects. The UV spectra of alpha Car show very strong absorptions due to FeII lines from the ground state and low lying metastable levels. Comparison with the spectrum of epsilon Aur shows that epsilon Aur B is similar in spectral type and luminosity to epsilon Aur A (FO Ia). The spectra of B and A shell stars show striking resemblance to that of alpha Car. Several intersystem lines of FeII are also identified in the spectrum of alpha Car.

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