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Evolution of the Galactic Disk from a Local Sample

Published online by Cambridge University Press:  01 August 2006

B. Nordström ,
J. Andersen  and
J. Holmberg
B. Nordström
Affiliation:
Niels Bohr Institute, Copenhagen University, Denmark (birgitta@astro.ku.dk)
J. Andersen
Affiliation:
Niels Bohr Institute, Copenhagen University, Denmark (birgitta@astro.ku.dk) Nordic Optical Telescope, Santa Cruz de La Palma, Spain (ja@astro.ku.dk)
J. Holmberg
Affiliation:
Max Planck Institute for Astronomy, Heidelberg, Germany (holmberg@mpia-hd.mpg.de)
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Abstract

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The Geneva-Copenhagen Survey (Nordström et al., 2004) gives ages, metallicities, velocities, and Galactic orbits for a complete, magnitude-limited sample of 14,000 F and G dwarfs. We have verified the calibrations used in the GCS, improved those of Teff, [Fe/H], distance, and age from uvby β, and checked the effect on the resulting Galactic relations by end- to-end numerical simulations. All the main results of the GCS remain unchanged.

Keywords

Galaxy: diskGalaxy: evolutionGalaxy: kinematics and dynamics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 126
Copyright
Copyright © International Astronomical Union 2007

References

Nordström, B., Mayor, M., Andersen, J., 2004, A&A 418, 989 (GCS).Google Scholar