The far ultraviolet spectrum of the B-type subdwarf HD 205 805

Details The far ultraviolet spectrum of the B-type subdwarf HD 205 805 The far ultraviolet spectrum of the B-type subdwarf HD 205 805

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980esasp.157..319b&link_type=abstract

The second European International Ultraviolet Explorer (IUE) Conference, held 26-28 March 1980 in Tübingen, West Germany. Edited

Astronomy and Astrophysics

Astronomy

6

B Stars, Iue, Line Spectra, Stellar Atmospheres, Subdwarf Stars, Ultraviolet Astronomy, Absorption Spectra, Abundance, Helium, Interstellar Matter, Radial Velocity, Titanium

Scientific paper

High resolution International Ultraviolet Explorer spectra of HD 205 805 (sdB, mv = 10.2, Teff = 26500 K, g = 100.00 cm s to the minus 2d power) were obtained in the range 1170-3230 A. Some 1150 absorption lines with central depths equal to or greater than 0.2 were measured. A radial velocity of -80 km sec permitted a distinction to be made between stellar and interstellar lines. The stellar spectrum exhibits many lines of doubly ionized elements, especially of C, Si, S, Ti, Cr, Mn and Fe. Preliminary estimates of selected abundances are given by comparison with the normal B star gamma Peg.

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