IUE MG II doublet observations in F and G main sequence stars

Details IUE MG II doublet observations in F and G main sequence stars IUE MG II doublet observations in F and G main sequence stars

Mar 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....96...17g&link_type=abstract

Astronomy and Astrophysics, vol. 96, no. 1-2, Mar. 1981, p. 17-22.

Astronomy and Astrophysics

Astrophysics

11

Chromosphere, Dwarf Stars, F Stars, G Stars, Iue, Magnesium, Main Sequence Stars, Stellar Spectra, Emission Spectra, Resonance Lines, Stellar Luminosity, Stellar Magnitude, Stellar Rotation

Scientific paper

Mg II resonance lines at 2800 A were studied in the spectra of F and G main sequence stars, observed with the IUE satellite in high resolution mode. Correlation with other chromospheric indicators were investigated and a search was conducted for the best candidates to continue further studies of differential rotation. An attempt has been made to see whether there is a unique relation between the logarithm of the Mg II k emission line width and the absolute visual magnitude, independent of luminosity and emission strengths, as derived for the Ca II K emission line.

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