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On Technetium Abundance in Late-type Stars
Published online by Cambridge University Press: 19 July 2016
Abstract
Technetium abundances in the atmospheres of S- and C-stars are estimated by comparing the synthetic spectra and high dispersion observed spectra for the TcI λ 5924.47 region. It was found that reliable estimates are possible only for the pure S-stars and SC-stars. For the late carbon stars only the upper limit of the Tc abundance can be found. For TX Psc (C6.5) it was found to be lgεTc = 0.5.
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- VI. Chemical Composition of Stars
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- Copyright © Kluwer 1988
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