Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars: IV. Two bulge populations
Date
2011
Authors
Bensby, T
Aden, Daniel
Melendez, Jorge
Gould, A
Feltzing, Sofia
Asplund, Martin
Johnson, Jennifer A
Lucatello, Sara
Yee, J C
Ramirez, I
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Volume Title
Publisher
Springer
Abstract
Based on high-resolution (R ≈ 42 000 to 48 000) and high signal-to-noise (S/N ≈ 50 to 150) spectra obtained with UVES/VLT, we present detailed elemental abundances (O, Na, Mg, Al, Si, Ca, Ti, Cr, Fe, Ni, Zn, Y, and Ba) and stellar ages for 12 new micr
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Keywords
Keywords: Galaxy: bulge; Galaxy: evolution; Galaxy: formation; Gravitational lensing; Stars: abundances; Astrophysics; Barium; Chromium; Galaxies; Metals; Sodium; Stars Galaxy: bulge; Galaxy: evolution; Galaxy: formation; Gravitational lensing: micro; Stars: abundances
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Source
Astronomy and Astrophysics
Type
Journal article
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Open Access
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Restricted until
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