The IUE spectrum of BD + 39 deg 4926

Details The IUE spectrum of BD + 39 deg 4926 The IUE spectrum of BD + 39 deg 4926

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pasp...94..802s&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 94, Oct.-Nov. 1982, p. 802-806.

Astronomy and Astrophysics

Astronomy

2

Abundance, Iue, Stellar Spectra, Stellar Temperature, Supergiant Stars, Ultraviolet Spectra, Balmer Series, F Stars, Interstellar Extinction, Spectral Line Width, Spectrum Analysis, Stellar Gravitation, Stellar Models

Scientific paper

IUE spectra of the A- or F-type supergiant BD + 39 deg 4926 have been combined with existing optical data. Comparison with model atmospheres yields an effective temperature of 7750 K, gravity log g of 0.5, and a reddening corresponding to E(B-V) of 0.15. The Mg II wavelength 2800 feature was used to estimate the abundance of Mg(+), and the value of log (epsilon (Mg(+)/epsilon (Ca(+)) was found to be about 2.7.

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