The mid-ultraviolet spectrum of Epsilon Aurigae

Details The mid-ultraviolet spectrum of Epsilon Aurigae The mid-ultraviolet spectrum of Epsilon Aurigae

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26as...50..233c&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 50, Nov. 1982, p. 233-245. Research supported by the Consiglio Nazionale del

Astronomy and Astrophysics

Astrophysics

7

Eclipsing Binary Stars, Line Spectra, Stellar Spectra, Supergiant Stars, Ultraviolet Spectroscopy, Abundance, H Alpha Line, Iue, Radial Velocity, Spectrograms, Spectrum Analysis

Scientific paper

An LTE synthetic spectrum with Te = 7800 K and log g = 1 has been computed for the 2455-to-3230 A range of Epsilon Aurigae (F0 1a). This has been compared with the spectra observed with 0.2 A resolution with the IUE experiment and with 0.1 A resolution with the BUSS experiment. As a consequence of this comparison, identifications and abundance values have been obtained. Ions definitely present include Mg I, Mg II, Al I, Al II, Si I, Ca II, Ti II, V II, Cr II, Mn II, Fe I, Fe II, Co II, Ni I, Ni II, Zr II. Ions which are possibly present include Ti III, Mn I, Fe III, Nb II, Mo I. The abundances are nearly 10 times the solar values for the iron group, with the exception of Fe, which has solar abundance. The abundances of the other elements are solar.

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