Near-ultraviolet observation of four bright MN stars

Details Near-ultraviolet observation of four bright MN stars Near-ultraviolet observation of four bright MN stars

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975ap%26ss..38..243f&link_type=abstract

(International Astronomical Union, Colloquium on UV and X-Ray Spectroscopy of Astrophysical and Laboratory Plasmas, 27th, Cambri

Astronomy and Astrophysics

Astronomy

6

Line Spectra, Metallic Stars, Near Ultraviolet Radiation, Stellar Spectra, Ultraviolet Spectra, Absorption Spectra, Esro 1 Satellite, Spaceborne Astronomy, Stellar Luminosity, Stellar Spectrophotometry, Time Dependence

Scientific paper

Near-ultraviolet spectra, obtained with the ESRO TD-1A/S59 experiment, of the four Mn stars beta Tau, gamma Crv, alpha And, and mu Lep (and six normal stars) are compared. The normal stars show good agreement with synthetic spectra. The Mn stars have spectra which become hotter at shorter wavelengths. They also show strong Mn II lines and weak Mg II lines. A time-variation of Ti II emission at 2828 A was noted in gamma Crv and alpha And.

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