Accuracy of Star Cluster Parameters from Integrated UBVRI Photometry

Details Accuracy of Star Cluster Parameters from Integrated UBVRI Photometry Accuracy of Star Cluster Parameters from Integrated UBVRI Photometry

2007-12-23

arxiv.org/abs/0712.3959v1

BalticAstron.16:421-429,2007

Astronomy and Astrophysics

Astrophysics

9 pages, 8 figures

Scientific paper

We study the capability of the UBVRI photometric system to quantify star clusters in terms of age, metallicity, and color excess by their integrated photometry. The well known age-metallicity-extinction degeneracy was analyzed for various parameter combinations, assuming different levels of photometric accuracy. We conclude that the UBVRI photometric system enables us to estimate star cluster parameters over a wide range, if the overall photometric accuracy is better than ~0.03 mag.

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