Kinematics and galactic structure

Details Kinematics and galactic structure Kinematics and galactic structure

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986stin...8812442s&link_type=abstract

Presented at the Workshop on The Galaxy, Cambridge, United Kingdom, Aug. 1986

Computer Science

Galactic Evolution, Galactic Structure, Kinematics, Cosmology, Metallicity, Photometry, Radial Velocity, Solar Neighborhood, Subdwarf Stars

Scientific paper

A radial velocity and photometric study of some 900 high proper motion stars in the solar neighborhood, recently completed at Mount Wilson, is combined with the earlier subdwarf literature to review the dependencies of kinematics on metallicity. The data confirm the conclusion that the oldest stars, with only a very few exceptions, are moving on highly eccentric orbits, and have higher W velocities than younger stars. The interpretation is again put forward for a collapse from a larger volume as the formation process of the Galaxy.

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