Stellar Parameters, Chemical composition and Models of chemical evolution

We present an in-depth study of metal-poor stars, based high resolution spectra combined with newly released astrometric data from Gaia, with special attention to observational uncertainties. The results are compared to those of other studies, including Gaia benchmark stars. Chemical evolution model...

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Bibliographic Details
Published in:Proceedings of the International Astronomical Union 2017-04, Vol.12 (S330), p.331-332
Main Authors: Mishenina, T., Pignatari, M., Côté, B., Thielemann, F.-K., Soubiran, C., Basak, N., Gorbaneva, T., Korotin, S. A., Kovtyukh, V. V., Wehmeyer, B., Bisterzo, S., Travaglio, C., Gibson, B. K., Jordan, C., Paul, A., Ritter, C., Herwig, F.
Format: Article
Language:English
Subjects:
Astronomical models
Astronomy
Chemical evolution
Contributed Papers
Galactic evolution
Galaxies
Metallicity
Milky Way
Stellar evolution
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Summary:We present an in-depth study of metal-poor stars, based high resolution spectra combined with newly released astrometric data from Gaia, with special attention to observational uncertainties. The results are compared to those of other studies, including Gaia benchmark stars. Chemical evolution models are discussed, highlighting few puzzles that are still affecting our understanding of stellar nucleosynthesis and of the evolution of our Galaxy.
ISSN:1743-9213
1743-9221
DOI:10.1017/S1743921317005439