Evolutionary constraints for young stellar clusters. II - The case of NGC 1866

Details Evolutionary constraints for young stellar clusters. II - The case of NGC 1866 Evolutionary constraints for young stellar clusters. II - The case of NGC 1866

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...203..293b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 203, no. 2, Sept. 1988, p. 293-296.

Astronomy and Astrophysics

Astrophysics

17

Magellanic Clouds, Star Clusters, Stellar Evolution, Burning Rate, Color-Magnitude Diagram, Stellar Cores, Stellar Luminosity, Stellar Mass

Scientific paper

Observational data for the LMC cluster NGC 1866 are compared with available evolutionary tracks. It is shown that the H-burning phase is populated at much larger luminosities than expected on the basis of the evaluation of the cluster age by Becker and Mathews (1983). The discrepancy is discussed, in the context of both canonical (Becker, 1981) and core-overshooting models, showing that neither appear able to achieve agreement with observations. Finally, possible progress toward a successful fit is discussed.

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