Morphology of a group of variable stars of the type Is(A). III - Analysis of hydrogen line profiles from high-resolution spectra

Physics

Scientific paper

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H Beta Line, H Gamma Line, High Resolution, Line Shape, Variable Stars, Main Sequence Stars, Stellar Luminosity, Stellar Models, Stellar Spectrophotometry

Scientific paper

The hydrogen line profiles of nine variable stars and 2 reference stars
were investigated using echelle spectra obtained with a 6-m telescope.
The lg g values are determined using the Kurucz model atmospheres. It is
shown that the stars investigated fall outside the main sequence on the
(lg Teff, lg g) diagram.

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