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The Metal-Rich Disk Population

Published online by Cambridge University Press:  25 May 2016

Sofia Feltzing  and
Bengt Gustafsson
Sofia Feltzing
Affiliation:
Astronomiska observatoriet, Uppsala, Sweden
Bengt Gustafsson
Affiliation:
Astronomiska observatoriet, Uppsala, Sweden

Extract

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Edvardson et al 1993 demonstrated that rapid build up of oxygen in the inner Galaxy. Do these high [O/Fe] ratios prevail also for metal rich stars? We have obtained high resolution (R = 100 000) spectra with the 2D-Coude Spectrometer at the McDonald Observatory 2.7 m telescope for 50 metal rich F, G and K dwarfs. These stars where chosen to represent both an old stellar population which originates ‘inside’ the solar orbit and the young extreme Population I.

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 171: New Light on Galaxy Evolution , 1996 , pp. 372
Copyright
Copyright © Kluwer 1996 

References

Edvardsson, B., Andersen, J., Gustafsson, B., Lambert, D.L., Nissen, P.E. and Tomkin, J. (1993) A&A, 275, 101 Google Scholar
Feltzing, S. and Gustafsson, B. (1995), in preparation Google Scholar
Barbuy, B. and Grenon, M. (1990) in ESO/CTIO Workshop on “Bulges of Galaxies”, ed. Jarvis, B.J. and Terndrup, D.M., p 83 Google Scholar