The ultraviolet spectrum of UW Canis Majoris

Details The ultraviolet spectrum of UW Canis Majoris The ultraviolet spectrum of UW Canis Majoris

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26as...45..473d&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 45, Sept. 1981, p. 473-481. Deutsche Forschungsgemeinschaft

Astronomy and Astrophysics

Astrophysics

4

Eclipsing Binary Stars, Stellar Envelopes, Stellar Spectrophotometry, Supergiant Stars, Ultraviolet Spectra, Iue, Line Spectra, Oao 3

Scientific paper

High resolution spectra of the eclipsing binary UW CMa have been obtained in the wavelength range 950 to 3200 A with the Copernicus (OAO-3) and IUE satellites. UW CMa is an interacting system, consisting of an 07f Ia primary and an O-B secondary. The spectra have been used to compile a list of stellar and interstellar lines. Identifications together with position and laboratory wavelengths are given. The spectra are dominated by envelope (P Cygni) lines. Numerous, but less conspicuous photospheric absorption lines from the 07f component are present. In addition, a wealth of interstellar lines appear.

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