Volume 382, Number 2, FebruaryI 2002
|Page(s)||389 - 396|
|Published online||15 February 2002|
Search for streaming motion of galaxy clusters around the Giant Void*
Special Astrophysical Observatory of RAS, Nizhnij Arkhyz, Karachaevo-Cherkesia 369167, Russia
2 Isaac Newton Institute, Chile, SAO Branch, Russia
Corresponding author: A. I. Kopylov, firstname.lastname@example.org
Accepted: 27 September 2001
We present the results of a study of streaming motion of galaxy clusters around the Giant Void ( and a diameter of 300 Mpc) in the distribution of rich Abell clusters. We used the Kormendy relation as a distance indicator taking into account galaxy luminosities. Observations were carried out in Kron–Cousins Rc system on the 6 m and 1 m telescopes of SAO RAS. For 17 clusters in a spherical shell of 50 Mpc in thickness centered on the void no significant diverging motion (expected to be generated by the mass deficit in the void) has been detected. This implies that cosmological models with low are preferred. To explain small mass underdensity inside the Giant Void, a mechanism of void formation with strong biasing is required.
Key words: galaxies: clusters / galaxies: elliptical and lenticular, cD / galaxies: fundamental parameters / galaxies: photometry / galaxies: distances and redshifts / cosmology: large-scale structure of Universe
© ESO, 2002
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