The chemical evolution of the Galactic disc from the kinematics and metallicities of proper motion stars

Details The chemical evolution of the Galactic disc from the kinematics and metallicities of proper motion stars The chemical evolution of the Galactic disc from the kinematics and metallicities of proper motion stars

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.156...29g&link_type=abstract

(Instituto de Astrofisica de Canarias and Comision Interministerial de Ciencia y Tecnologia, Summer School on Evolutionary Pheno

Astronomy and Astrophysics

Astrophysics

31

Chemical Evolution, Kinematics, Metallicity, Milky Way Galaxy, Stellar Motions, Abundance, Astronomical Catalogs, Galactic Structure, Hertzsprung-Russell Diagram, Star Formation, Stellar Orbits

Scientific paper

Members of the galaxy components are identified according to stellar ages, metallicities, and galactic orbits. The local thin disk is found to have a maximum age of 11 billion years and a small abundance scatter partially controlled by the radial gradient of abundances. Metal-rich and old metal-poor stars belong to inner galactic populations, and SMRs represent the ultimate star generation in the bulge. The thick disk forms a smooth transition between the halo and thin disk.

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