Abundance anomalies in Main Sequence A stars. I - Iron and titanium

Details Abundance anomalies in Main Sequence A stars. I - Iron and titanium Abundance anomalies in Main Sequence A stars. I - Iron and titanium

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...225..125l&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 225, no. 1, Nov. 1989, p. 125-136.

Astronomy and Astrophysics

Astrophysics

91

A Stars, Abundance, Iron, Main Sequence Stars, Titanium, Helium, Line Spectra, Stellar Atmospheres, Stellar Spectra

Scientific paper

Iron and titanium abundances were derived for 16 sharp-lined Main Sequence A stars based on high-resolution spectra. Estimates were made of helium abundances and rotational velocities. The iron and titanium anomalies of HR 5959 and Vega were established. The abundances of the other stars are described by a Gaussian distribution with a standard deviation of 0.16 dex and a mean value of 7.58.

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