The chemical evolution of the Galactic Bulge seen through micro-lensing events
Författare
Summary, in English
Galactic bulges are central to understanding galaxy formation and evolution. Here we report on recent studies using micro-lensing events to obtain spectra of high resolution and moderately high signal-to-noise ratios of dwarf stars in the Galactic bulge. Normally this is not feasible for the faint turn-off stars in the Galactic bulge, but micro-lensing offers this possibility. Elemental abundance trends in the Galactic bulge as traced by dwarf stars are very similar to those seen for dwarf stars in the solar neighbourhood. We discuss the implications of the ages and metallicity distribution function derived for the micro-lensed dwarf stars in the Galactic bulge.
Avdelning/ar
Publiceringsår
2012
Språk
Engelska
Publikation/Tidskrift/Serie
Assembling the Puzzle of the Milky Way
Volym
19
Fulltext
- Available as PDF - 121 kB
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Dokumenttyp
Konferensbidrag
Förlag
EDP Sciences
Ämne
- Astronomy, Astrophysics and Cosmology
Conference name
Conferences of the Assembling the Puzzle of the Milky Way
Conference date
2011-04-17 - 2011-04-22
Conference place
Le Grand-Bornand, France
Aktiv
Published
ISBN/ISSN/Övrigt
- ISSN: 2100-014X
- ISSN: 2101-6275