Variations in the ultraviolet MG II lines of beta Persei

Details Variations in the ultraviolet MG II lines of beta Persei Variations in the ultraviolet MG II lines of beta Persei

Jul 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976mnras.176p...5c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 176, July 1976, p. 5P-11P.

Astronomy and Astrophysics

Astronomy

7

Algol, Eclipsing Binary Stars, Line Spectra, Magnesium, Stellar Spectra, Ultraviolet Radiation, Absorption Spectra, Emission Spectra, Spaceborne Astronomy, Stellar Motions, Tables (Data), Ultraviolet Absorption, Ultraviolet Spectrometers

Scientific paper

Copernicus satellite observations have been used to study changes in the Mg II lines in the neighborhood of 2800 A in Algol during eclipse. The resonance lines near 2800 A show doubling near the bottom of primary eclipse. A possible explanation is that emission from component B fills the line centers; the absolute magnitude thus derived for component B agrees with other values in the literature.

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