Raising the observed metallicity floor with a 3D non-LTE analysis of SDSS J102915.14+172927.9

Context: The first stars produced the first heavy elements and set the stage for the formation of the first galaxies. Accurate chemical abundances of ultra metal-poor stars ([Fe/H]

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Bibliographische Detailangaben
Veröffentlicht in:	arXiv.org 2023-03
Hauptverfasser:	Lagae, C, Amarsi, A M, Rodríguez Díaz, L F, Lind, K, Nordlander, T, Hansen, T T, Heger, A
Format:	Artikel
Sprache:	eng
Schlagworte:	Abundance Calcium Carbon Galaxies Heavy elements Iron Low mass stars Metallicity Parallax Physics - Astrophysics of Galaxies Physics - Solar and Stellar Astrophysics Radiative transfer Spectra Star & galaxy formation Star formation Three dimensional models Titanium
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Beschreibung
Zusammenfassung:	Context: The first stars produced the first heavy elements and set the stage for the formation of the first galaxies. Accurate chemical abundances of ultra metal-poor stars ([Fe/H]
ISSN:	2331-8422
DOI:	10.48550/arxiv.2303.01374