The Pristine survey XIV: chemical analysis of two ultra-metal-poor stars
| Autor: | Else Starkenburg, Julio F. Navarro, Lyudmila Mashonkina, Collin Kielty, Piercarlo Bonifacio, K. A. Venn, Pascale Jablonka, A. Arentsen, Nicolas F. Martin, Federico Sestito, Tatyana Sitnova, Carmela Lardo, G. Kordopatis, Elisabetta Caffau, J. I. González Hernández, R. G. Carlberg, David Aguado, Vanessa Hill |
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| Přispěvatelé: | Università degli Studi di Bologna, Institute of Astronomy of the Russian Academy of Sciences (INASAN), Russian Academy of Sciences [Moscow] (RAS), EPFL Laboratoire d’astrophysique, Ecole Polytechnique Fédérale de Lausanne (EPFL), Galaxies, Etoiles, Physique, Instrumentation (GEPI), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Institute of Astronomy [Cambridge], University of Cambridge [UK] (CAM), Instituto de Astrofisica de Canarias (IAC), Universidad de La Laguna [Tenerife - SP] (ULL), University of Victoria [Canada] (UVIC), Joseph Louis LAGRANGE (LAGRANGE), Université Côte d'Azur (UCA)-Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Observatoire de la Côte d'Azur, COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Kapteyn Astronomical Institute [Groningen], University of Groningen [Groningen], Observatoire astronomique de Strasbourg, Université de Strasbourg, CNRS, UMR 7550, 11 rue de l’Université, 67000 Strasbourg, France, Department of Astronomy & Astrophysics [University of Toronto], University of Toronto, Astronomy, Lardo C., Mashonkina L., Jablonka P., Bonifacio P., Caffau E., Aguado D.S., Gonzalez Hernandez J.I., Sestito F., Kielty C.L., Venn K.A., Hill V., Starkenburg E., Martin N.F., Sitnova T., Arentsen A., Carlberg R.G., Navarro J.F., Kordopatis G. |
| Rok vydání: | 2021 |
| Předmět: |
stars: abundances
sodium abundance Analytical chemistry stellar parameters FOS: Physical sciences Astrophysics::Cosmology and Extragalactic Astrophysics 01 natural sciences Metal Galactic halo hamburg/eso survey statistical equilibrium 0103 physical sciences Galaxy formation and evolution follow-up Astrophysics::Solar and Stellar Astrophysics 010303 astronomy & astrophysics milky-way Astrophysics::Galaxy Astrophysics Solar and Stellar Astrophysics (astro-ph.SR) Physics data release Galaxy: evolution [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] 010308 nuclear & particles physics Astronomy and Astrophysics model atmospheres Astrophysics - Astrophysics of Galaxies Galaxy equilibrium-line formation Galaxy: halo Galaxy: abundance Radial velocity Stars Supernova Astrophysics - Solar and Stellar Astrophysics Space and Planetary Science Galaxy: formation visual_art Astrophysics of Galaxies (astro-ph.GA) visual_art.visual_art_medium Galaxy: abundances non-lte Astrophysics::Earth and Planetary Astrophysics |
| Zdroj: | Monthly Notices of the Royal Astronomical Society Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2021, 508 (2), pp.3068-3083. ⟨10.1093/mnras/stab2847⟩ Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, In press Monthly Notices of the Royal Astronomical Society, 508(2), 3068-3083. Oxford University Press |
| ISSN: | 0035-8711 1365-2966 |
| DOI: | 10.48550/arxiv.2109.14477 |
| Popis: | Elemental abundances of the most metal-poor stars reflect the conditions in the early Galaxy and the properties of the first stars. We present a spectroscopic follow-up of two ultra metal-poor stars ([Fe/H] Comment: 17 pages, 11 figures, accepted for publication in MNRAS |
| Databáze: | OpenAIRE |
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