The Ultraviolet Spectrum of the Binary System Ks-Persei = HD30353

Details The Ultraviolet Spectrum of the Binary System Ks-Persei = HD30353 The Ultraviolet Spectrum of the Binary System Ks-Persei = HD30353

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.158..223g&link_type=abstract

Astrophysics and Space Science, Vol.158, NO. 2/AUGII, P.223, 1989

Astronomy and Astrophysics

Astrophysics

Scientific paper

Nine high- and low-resolution IEU spectra at different orbital phases during different cycles, of the hydrogen-poor single-lined spectroscopic binary KS Per (HD 30353) have been studied. The near-UV spectrum is characterized by the presence of several lines of once ionized metals which show the same orbital RV shifts observed in the visual range. The Mg H resonance lines present a sharp interstellar + circumstellar core and an emission peak at about 83 and 92 km s~1. The far UV spectrum is characterized by the presence of strong absorptions of the resonance lines of Nv, Civ, Si iv, Si HI. Direct determination of the IS extinction from the 2200 A feature gives E(B - V) = 0.33. A comparison of corrected logarithmic continuous energy distribution with the theoretical models by Kurucz, indicates that the companion is a hot star, Te = 15000 K; log g = 4. A comparison with the recent UV work of v Sgr, shows that, KS Per is very similar to v Sgr

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