E2 - an intermediate-age LMC cluster

Details E2 - an intermediate-age LMC cluster E2 - an intermediate-age LMC cluster

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986aj.....92.1334s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 92, Dec. 1986, p. 1334-1340. Research supported by Rutgers University.

Astronomy and Astrophysics

Astronomy

6

Color-Magnitude Diagram, Magellanic Clouds, Star Clusters, Star Formation, Stellar Spectrophotometry, Data Reduction, Giant Stars, Main Sequence Stars, Stellar Models

Scientific paper

The authors have measured a color-magnitude diagram for the faint star cluster E2, located near the tip of the Magellanic Stream. The main-sequence turnoff, a few giants, and a giant clump can be discerned. Comparisons with VandenBerg models show E2 to be a 1.5 Gyr old cluster with abundance Z ≡ 0.01 at the distance of the LMC, and thus similar to the more populous intermediate-age LMC clusters. The existence of cluster formation at a large distance from the LMC center (E2 is at almost 8° radius) is discussed in the context of the star-formation history, structure, and kinematics of the outer "halo" of the Large Magellanic Cloud.

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