Some implications for the early chemical and dynamical evolution of the Large Magellanic Cloud from observations of the oldest globular clusters

Details Some implications for the early chemical and dynamical evolution of the Large Magellanic Cloud from observations of the oldest globular clusters Some implications for the early chemical and dynamical evolution of the Large Magellanic Cloud from observations of the oldest globular clusters

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...259...89c&link_type=abstract

Astrophysical Journal, Part 1, vol. 259, Aug. 1, 1982, p. 89-95. Research supported by the Natural Sciences and Engineering Res

Astronomy and Astrophysics

Astrophysics

42

Chemical Evolution, Globular Clusters, Magellanic Clouds, Stellar Evolution, Stellar Spectra, Abundance, Color-Magnitude Diagram, Data Reduction, Metallic Stars, Radial Velocity

Scientific paper

Observations of giant stars in the oldest Large Magellanic Cloud (LMC) globular clusters were used to deduce metal abundances and radial velocities for the clusters. From the distribution of metallicities, radial velocities, position in the sky, position in the two-color diagram, color-magnitude diagram morphology, and distribution of ellipticities, it is argued that these clusters make up a different dynamical component from the young disk (i.e., halo). Based on this conclusion, a tentative scenario for the early chemical and dynamical evolution of the LMC is presented.

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