Computer Science – Databases
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.337..313a&link_type=abstract
Astrophysics and Space Science, Volume 337, Issue 1, pp.313-319
Computer Science
Databases
1
Galaxies: Formation, Galaxies: Statistics, Galaxies: Clusters: General, Astronomical Databases: Miscellaneous
Scientific paper
We present spatial orientations of angular momentum vectors of galaxies in three merging binary clusters A1750, A3395 and A3528. The axial ratio and intrinsic flatness of galaxy are used to convert two-dimensional given parameters into three-dimensional angular momentum vector of the galaxy. We have performed K-S, Kuiper and Fourier tests in order to examine non-random effects. The merging binary cluster A3395 that exhibits strongly distorted feature in its maps of temperature and surface brightness showed a random orientation in the spatial orientation of angular momentum vectors of galaxies. A weak anisotropic distribution in the angular momentum vectors of galaxies is noticed in the sub-structures of A3528. We suspect a relation between the stages of merging and the non-random alignments of galaxies in the sub-structures of the binary clusters. Possible explanation of the results will be discussed.
Aryal Bijaya
Paudel Rajkumar
Saurer W.
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