Mass to line-strength relations from IUE spectra of early-type stars

Details Mass to line-strength relations from IUE spectra of early-type stars Mass to line-strength relations from IUE spectra of early-type stars

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....94..129s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 94, July 1987, p. 129-136.

Astronomy and Astrophysics

Astronomy

20

B Stars, Early Stars, Mass To Light Ratios, O Stars, Spectral Line Width, Ultraviolet Spectra, Absorption Spectra, Emission Spectra, Iue, Spectrum Analysis, Visible Spectrum

Scientific paper

An extensive survey of the 1200 - 1900 Å region in OB type stellar spectra obtained from the IUE archives has been used to establish line-strength versus spectral-type relationships. One hundred and sixty-three low-resolution IUE spectra of 124 well-classified O3 to B5 stars were examined. The authors confirm earlier results that the equivalent width of Si IV (λ 1400) and C IV (λ 1550) features are well correlated with optical spectral type. The equivalent width/spectral type/luminosity class relations for these features are then established.

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