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Impact of NLTE on determinations of atmospheric parameters and chemical abundances of very metal-poor stars

Published online by Cambridge University Press:  02 August 2018

Lyudmila Mashonkina ,
Tatyana Sitnova ,
Yuri Pakhomov  and
Tatyana Ryabchikova
Lyudmila Mashonkina
Affiliation:
Institute of Astronomy, Russian Academy of Sciences Pyatnitskaya st. 48, RU-119017 Moscow, Russia email: [email protected]
Tatyana Sitnova
Affiliation:
Institute of Astronomy, Russian Academy of Sciences Pyatnitskaya st. 48, RU-119017 Moscow, Russia email: [email protected]
Yuri Pakhomov
Affiliation:
Institute of Astronomy, Russian Academy of Sciences Pyatnitskaya st. 48, RU-119017 Moscow, Russia email: [email protected]
Tatyana Ryabchikova
Affiliation:
Institute of Astronomy, Russian Academy of Sciences Pyatnitskaya st. 48, RU-119017 Moscow, Russia email: [email protected]
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Abstract

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Based on high-resolution spectral observations for a sample of very metal-poor stars, we investigate how well stellar chemical abundances can be derived with available theoretical methods and computational tools.

Keywords

line: formationmethods: numericalstars: abundancesstars: atmospheres
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S334: Rediscovering our Galaxy , July 2017 , pp. 333 - 334
Copyright
Copyright © International Astronomical Union 2018 

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