The Star Cluster Populations in the Evolutionary Sequence of Hickson Compact Groups

Details The Star Cluster Populations in the Evolutionary Sequence of Hickson Compact Groups The Star Cluster Populations in the Evolutionary Sequence of Hickson Compact Groups

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21715207m&link_type=abstract

American Astronomical Society, AAS Meeting #217, #152.07; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We present a study of the three compact groups HCG 16, HCG 22, and HCG 42 observed using WFPC2 and ACS on the Hubble Space Telescope. These groups span a range of cold gas to total mass ratios defined by log(MHI)/log(Mdyn). Groups with lower gas content have a higher fraction of early type galaxies and thus may be more dynamically evolved. We present a comparative study of the ages and masses of star clusters in these groups based on their color-magnitude and color-color diagrams as well as their spatial distribution within the group.

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