What Can 100 Million Monte Carlo Simulations Do For You? - Age and Mass for 900 LMC Clusters

Details What Can 100 Million Monte Carlo Simulations Do For You? - Age and Mass for 900 LMC Clusters What Can 100 Million Monte Carlo Simulations Do For You? - Age and Mass for 900 LMC Clusters

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21715201h&link_type=abstract

American Astronomical Society, AAS Meeting #217, #152.01; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

The new version of the MASSCLEANcolors database contains over 100 million cluster models. Presently, current models for stellar populations are available only in the infinite mass limit. But real clusters have a finite mass, and their integrated colors show a large dispersion due to stochastic fluctuations in the stellar mass function. The MASSCLEANcolors database illustrates the extreme and non-Gaussian distribution of integrated colors and magnitudes consistent with theoretical work and integrated photometry of real clusters. The database entries form a consistent set of integrated colors and magnitudes, age and mass and can be used to improve age and mass determinations of moderate mass stellar clusters. Our newest application, MASSCLEANage, uses observed integrated UBVR photometry and a statistical inference code to search the MASSCLEANcolors database to solve simultaneously for the age and mass of a cluster. We demonstrate the power of MASSCLEANage by presenting new values for age and mass for 900 LMC clusters. This material is based upon work supported by the National Science Foundation under Grant No. 0607497 & 1009550.

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