Technetium abundance in Omicron Ceti

Details Technetium abundance in Omicron Ceti Technetium abundance in Omicron Ceti

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992balta...1..190k&link_type=abstract

Baltic Astronomy, vol. 1, p. 190

Astronomy and Astrophysics

Astronomy

Asymptotic Giant Branch Stars, Stellar Atmospheres, Technetium, Stellar Composition, Nuclear Fusion, Abundance, Spectral Resolution, Local Thermodynamic Equilibrium, Atmospheric Models

Scientific paper

The abundance of technetium log A(Tc) = 0.1 (log A(H) = 12.0) is found for the LPV star Omicron Ceti using a high resolution spectrum and the synthetic spectrum method. For most elements with lines in the observed spectral region, the abundances found by fitting calculations to the observations are close to the solar ones. The errors +/- 0.3 dex are quite large, and the abundances determined are mostly the upper limits.

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