The BUSS spectrum of Beta Lyrae

Details The BUSS spectrum of Beta Lyrae The BUSS spectrum of Beta Lyrae

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...126..115h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 126, no. 1, Sept. 1983, p. 115-120.

Astronomy and Astrophysics

Astrophysics

2

Eclipsing Binary Stars, Stellar Spectra, Ultraviolet Spectra, Balloon-Borne Instruments, H Alpha Line, Iron, Line Spectra, Nitrogen, Silicon, Spectrum Analysis

Scientific paper

The spectrum of Beta Lyrae from about 1975 to 3010 A taken with the Balloon-borne ultraviolet Stellar Spectrograph experiment in May 1976 at phase 0.61 P is analyzed. Results show the presence of N II semi-forbidden emission and provide evidence for about the same location, in the outer envelope of the system, of the layers responsible for the resonance Mg II doublet emissions and for the "narrow" H-alpha emission. In addition, three sets of absorption lines, P Cygni profiles of Fe III and broad Beals Type III emissions of Mg II, are found to be present.

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