Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974a%26a....35..225v&link_type=abstract
Astronomy and Astrophysics, vol. 35, no. 2, Oct. 1974, p. 225-231.
Astronomy and Astrophysics
Astrophysics
51
Abundance, Atmospheric Models, Line Spectra, Stellar Atmospheres, Stellar Spectra, Astronomical Models, Stellar Gravitation, Stellar Spectrophotometry, Stellar Temperature
Scientific paper
The line spectrum of alpha Tau (K 5 III) relative to that of alpha Boo (K 2 IIIp) has been analyzed. The observations are based upon high dispersion spectrograms (1.6 A/mm) obtained with the 100-in. telescope at Mt. Wilson Observatory. The data have been interpreted with model atmospheres, derived from the temperature-optical depth relations of Carbon and Gingerich (1969). The effective temperature difference between alpha Tau and alpha Boo was obtained from several continuum data, the Fe I line spectrum, and the surface brightness. The abundance results confirm the previously found metal deficiency of alpha Boo (a factor of three relative to the sun); alpha Tau has solar abundances for the majority of the elements.
Meurs Evert J. A.
Paradijs Jan van
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