Abstract
This work is the next step of our spectroscopic research (Klochkova and Panchuk, 1996) of fundamental parameters and atmospheric chemical composition of stars at the 6-meter telescope and presents results of our investigation of 20 metal-deficient stars. For the determination of the model atmospheres parameters and for the computation of the chemical composition the models grid (Kurucz, 1993) was applied. Equivalent widths of Fe I and Fe II lines (only with W < 200 mÅ) were used to determine values of Teff and log g. The abundance ratios with respect to iron for 22 chemical elements are determined to a precision ranging from 0.05 to 0.25 dex.
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References
Carney, B.W., Latham, D.W., Laird, J.B. and Aguilar, L.A.: 1994, A survey of proper motion stars. XII. An expanded sample, Astron. J. 107, 2240–2289.
Klochkova, V.G. and Panchuk, V.E.: 1996, The atmospheric chemical composition of stars with large proper motions, Astron. Rep. 40, 829–844.
Kurucz, R.L.: 1993, CDROMs.
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© 1999 Springer Science+Business Media Dordrecht
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Klochkova, V.G., Ermakov, S.V., Panchuk, V.E. (1999). High Resolution Spectroscopy of Selected Faint Stars. In: Spite, M. (eds) Galaxy Evolution: Connecting the Distant Universe with the Local Fossil Record. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4213-7_32
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DOI: https://doi.org/10.1007/978-94-011-4213-7_32
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-5831-5
Online ISBN: 978-94-011-4213-7
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