The stellar populations of Shapley constellation III

Details The stellar populations of Shapley constellation III The stellar populations of Shapley constellation III

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...323..433r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 323, Dec. 15, 1987, p. 433-450.

Astronomy and Astrophysics

Astrophysics

51

Astronomical Photometry, Stellar Color, Stellar Evolution, Stellar Systems, Magellanic Clouds, Red Giant Stars, Star Formation, Stellar Magnitude, Stellar Models

Scientific paper

A V-I color-magnitude diagram is presented for a 0.6-sq deg field encompassing part of the LMC's Shapley III star-formation region. The pronounced luminosity function peak exhibited by the main-sequence stars is identified with the turnoff of the first star-forming burst, and then used as an age indicator with which to compare stellar evolutionary models with the dynamical age estimate determined by Dopita et al. (1985); the initial luminosity and mass functions are derived. The dynamical clock in Shapley III is in better agreement with the stellar evolutionary clock if models without convective overshoot are adopted.

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