The MG 2 lines in A dwarf stars

Details The MG 2 lines in A dwarf stars The MG 2 lines in A dwarf stars

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.218..211f&link_type=abstract

In ESA Fourth European IUE Conf. p 211-215 (SEE N84-35135 24-88)

Computer Science

3

A Stars, Dwarf Stars, Line Spectra, Magnesium, Interstellar Chemistry, Iue, Stellar Atmospheres, Stellar Spectra

Scientific paper

High resolution IUE spectra, in the spectral region of the Mg II resonance lines of 16 A stars were obtained. To interpret these observations, the formation of Mg II lines in an A type stellar atmosphere for different values of Mg abundance and microturbulence within the framework of the NLTE theory with complete and partial redistribution of the Mg II line profiles were studied. Observed and computed line profiles are compared and abundance values are established. Theoretical stellar line profiles are used to determine the interstellar contribution to the observed stellar Mg II line profiles.

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