Two distinct supergiant branches in the young Large Magellanic Cloud star cluster NGC 2214

Details Two distinct supergiant branches in the young Large Magellanic Cloud star cluster NGC 2214 Two distinct supergiant branches in the young Large Magellanic Cloud star cluster NGC 2214

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...249l...5s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 249, no. 2, Sept. 1991, p. L5-L8.

Astronomy and Astrophysics

Astrophysics

10

Color-Magnitude Diagram, Late Stars, Magellanic Clouds, Star Clusters, Supergiant Stars, Charge Coupled Devices, Spatial Distribution, Visual Photometry

Scientific paper

Compelling evidence that the LMC star cluster NGC 2214 actually consists of two stellar age groups, clearly visible in the form of two well-defined supergiant branches in the CCD V, (B-V) color-magnitude diagram is presented. They are separated by about 2 mag in luminosity and have respective ages about 60 and 170 Myr or both smaller or larger depending upon the theoretical evolutionary tracks used. The spatial distribution of the stars of the two sequences indicates that the older population is more concentrated toward the cluster center while the younger shows a more extended distribution.

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