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

Journal Title

Journal ISSN

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

Description

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

Citation

Source

Astronomy and Astrophysics

Type

Journal article

Book Title

Entity type

Access Statement

Open Access

License Rights

Restricted until