Stellar abundance patterns. What is the possible level of completeness today ?

Details Stellar abundance patterns. What is the possible level of completeness today ? Stellar abundance patterns. What is the possible level of completeness today ?

2003-08-20

arxiv.org/abs/astro-ph/0308339v1

Astronomy and Astrophysics

Astrophysics

10 pages, will be Published in ASP Conf. Ser., IAU Symp. 210

Scientific paper

We discuss the way of increasing of the number of chemical elements, investigated in stellar spectra. We can reach it by using spectrum synthesis method, new atomic data and observation of stellar spectra with resolution comparable to solar spectral atlases. We show two examples of this kind researches. The first is the implementation of new atomic data to well known Przybylski's star. We show that the number of spectral lines, which can be identificated in the spectrum of this star can be significantly higher. The second example is the investigation of zeta Cyg. We found the abundances of 51 elements in the atmosphere of this mild barium star.

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