Hierarchical clustering in the Local Group dwarf galaxy NGC 6822

Details Hierarchical clustering in the Local Group dwarf galaxy NGC 6822 Hierarchical clustering in the Local Group dwarf galaxy NGC 6822

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..266..538s&link_type=abstract

Star clusters: basic galactic building blocks throughout time and space, Proceedings of the International Astronomical Union, IA

Astronomy and Astrophysics

Astronomy

Galaxies: Local Group, Galaxies: Star Clusters, Galaxies: Stellar Content, Galaxies: Structure

Scientific paper

Star formation appears to be clumped into a hierarchy of structures, from giant molecular clouds down to individual cores and clusters, which are often hierarchical themselves, showing significant substructure. This has been demonstrated for our Galaxy through the application of sophisticated statistical methods, in particular the nearest-neighbour density and the minimum spanning tree (MST), to different star-forming regions. Here we present our analysis of clustered star formation as demonstrated through the detection of structures of young stellar populations in the dwarf star-forming galaxy NGC 6822.

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