Hydrogen-line profiles of six lambda Bootis stars

Details Hydrogen-line profiles of six lambda Bootis stars Hydrogen-line profiles of six lambda Bootis stars

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.208..277i&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 208, no. 2, p. 277-284

Physics

6

A Stars, Abundance, H Beta Line, H Gamma Line, Line Shape, Spectrum Analysis, Stellar Physics, Astronomical Spectroscopy, High Resolution, Iue, Metallicity, Stellar Temperature

Scientific paper

Based on high resolution spectroscopic observations hydrogen-line profiles of six lambda Bootis stars: HD 31295, HD 101108, HD 105058, HD 106223, HD 142703 and HD 183324 are presented. Peculiar line profiles with weak cores and broad but shallow wings are found for four of the stars. Influence of metallicity parameter (Z/H) and effective temperature on the appearance of the observed hydrogen lines is discussed.

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