Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21714926b&link_type=abstract
American Astronomical Society, AAS Meeting #217, #149.26; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
Understanding the environment a galaxy resides in is crucial to our understanding of the galaxy's formation and properties. Most galaxies ( 70%) live in groups and it is important to develop a quantitative understanding of how galaxies are distributed within groups and how groups are distributed in the larger scale structure. In addition to the traditional friends-of-friends algorithms we are applying analytical techniques developed for understanding social networks to understand the network of galaxies in the Abell 1367-Coma supercluster. We use data from the SDSS, 2MASS, and ALFALFA to detect substructure within catalog groups and quantitatively measure the degree to which individual groups are connected as a new method of probing the large scale environments of galaxies and groups.
Bramson Ali
Wilcots Eric M.
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