The environmental effects in the origin of angular momenta of galaxies

Details The environmental effects in the origin of angular momenta of galaxies The environmental effects in the origin of angular momenta of galaxies

2011-11-08

arxiv.org/abs/1111.1776v2

Acta Physica Polonica B 2011, 42, 2313

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Acta Physica Polonica B (accepted,)references corrected

Scientific paper

10.5506/APhysPolB.42.2313

We study the galaxy alignment in the sample of very rich Abell clusters located in and outside superclusters. The statistically significant difference among investigated samples exists. We found that in contrast to whole sample of cluster, where alignment increase with the cluster richness, the cluster belonging to the superclusters does not show this effect. Moreover, the alignment decreased with the supercluster richness. One should note however that orientations of galaxies in analyzed clusters are not random, both in the case when we analyzed whole sample of the clusters and only clusters belonging to the superclusters. The observed trend, dependence of galaxy alignment on both cluster location and supercluster richness clearly supports the influence of environmental effects to the origin of galaxy angular momenta.

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