COMMENTS ON ENVIRONMENTAL EFFECTS IN THE ORIGIN OF ANGULAR MOMENTA IN GALAXIES

Автор(и)

  • Elena Panko Nikolaev National University, Kalinenkov Astronomical Observatory, Nikolskaya, 24, Nikolaev, 54030, Ukraine,, Ukraine
  • Paulina Pajowska Opolski University, Institute of Physics, ul. Oleska 48, 45-052 Opole, Poland, Poland
  • Wlodzimierz Godlowski Opolski University, Institute of Physics, ul. Oleska 48, 45-052 Opole, Poland, Poland
  • Piotr Flin Jan Kochanowski University, Institute of Physics, 25-406 Kielce, ul. Swietokrzyska 15, Poland,

DOI:

https://doi.org/10.18524/1810-4215.2012.25.83158

Ключові слова:

galaxies, angular momenta.

Анотація

We examine the orientations of galaxies in 43 rich Abell galaxy clusters belonging to superclusters and containing at least 100 members in the considered area as a function of supercluster multiplicity. It is found that the orientation of galaxies in the analyzed clusters is not random and the alignment decreases with supercluster richness, although the effect is statistically significant only for azimuthal angles. The dependence of galaxy alignment on cluster location inside or outside a supercluster and on supercluster multiplicity clearly shows the importance of environmental effects on the origin of galaxy angular momenta. The comparison with alignment of galaxies in a sample of rich Abell clusters not belonging to superclusters is made too.

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Опубліковано

2012-11-15

Номер

Том 25 № 1 (2012)

Розділ

Статті

Ліцензія

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Відповідно Закону України про авторське право і суміжні права N 3792-XII від 23 грудня 1993 року