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Impact of NLTE on research of early chemical enrichment of the dwarf galaxies
Published online by Cambridge University Press: 09 May 2016
Abstract
Based on high-resolution observed spectra, the non-local thermodynamic equilibrium (NLTE) line formation, and precise stellar atmosphere parameters, we present the first complete sample of dwarf spheroidal galaxies (dSphs) with accurate chemical abundances in the very metal-poor (VMP) regime. The obtained stellar elemental ratios are compared with chemical enrichment models, and we show that NLTE is a major step forward for studies of the dSph and the Milky Way (MW) chemical evolution.
- Type
- Contributed Papers
- Information
- Proceedings of the International Astronomical Union , Volume 11 , Issue S317: The General Assembly of Galaxy Halos: Structure, Origin and Evolution , August 2015 , pp. 334 - 335
- Copyright
- Copyright © International Astronomical Union 2016