SIMBAD references

2024RNAAS...8...12Z - Research Notes of the AAS, 8, 12 (2024/January-0)

Detection of Tm II Lines in the Spectra of Two s-process Rich Stars.

ZACS L., KAMINSKY B. and PUKITIS K.

Abstract (from CDS):

Thulium abundance is unknown in the atmospheres of low and medium-mass evolved stars. The reason is the weakness of lines and the crowded spectra. We examined the spectra of two late-type stars in a broad wavelength region to search for thulium lines. Thulium abundance was estimated in the atmospheres of barium star HD 204075 and post-asymptotic giant branch star HD 235858 for the first time, $\mathrm{log}\,\epsilon (\mathrm{Tm})\simeq 0.1$ and ≲1.3, respectively.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Late-type giant stars - Post-asymptotic giant branch stars - Barium stars - Stellar atmospheres - High resolution spectroscopy - Spectral line identification - Stellar abundances

Simbad objects: 2

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