The Evolution of the Solar Neighborhood: I Correlations of the Age with Metallicity and Kinematic Parameters

Details The Evolution of the Solar Neighborhood: I Correlations of the Age with Metallicity and Kinematic Parameters The Evolution of the Solar Neighborhood: I Correlations of the Age with Metallicity and Kinematic Parameters

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jkas...15...19l&link_type=abstract

Journal of the korean Astronomical Society, vol. 15, no.1, p. 19-36

Astronomy and Astrophysics

Astronomy

2

Scientific paper

For ~240 nearly stars their age and mass were determined and kinematic parameters determined for 362 stars, applying Woolley's three-dimensional potential. Metallicity and kinematic parameters of these stars were correlated with their age, suggesting the slow collapse (t>= a few billion years) of the Galaxy and the initial rapid enrichment in metal abundance (delta Z = 1/3 (present) for ~4 * 10^8 years). The late slow enrichment rate is given by d(/Z_sun)/dt = 5.9 ~7.0 +- 3.4 per Gyr.

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