Constraints on chemical evolution models from QSOALS abundances

Details Constraints on chemical evolution models from QSOALS abundances Constraints on chemical evolution models from QSOALS abundances

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993egte.conf..131l&link_type=abstract

In NASA. Ames Research Center, The Evolution of Galaxies and Their Environment p 131-132 (SEE N93-26706 10-90)

Computer Science

Abundance, Chemical Evolution, Galactic Evolution, Line Spectra, Metallic Stars, Milky Way Galaxy, Globular Clusters, Quasars, Red Shift, Stellar Composition

Scientific paper

Models of the formation and early chemical evolution of our Galaxy are guided and constrained by our knowledge of abundances in globular cluster stars and halo field stars. The abundance patterns identified in halo and disk stars should be discernible in absorption lines of gas clouds in forming galaxies which are accidentally lying in front of background QSO's. Conversely, the ensemble of QSO absorption line systems (QSOALS) at each redshift may suggest a detailed model for the formation of our Galaxy that is testable using abundance patterns in halo stars.

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