Physics
Scientific paper
Oct 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003kfnt...19..454t&link_type=abstract
Kinematika i Fizika Nebesnykh Tel, vol. 19, no. 5, p. 454-466
Physics
Scientific paper
We made a numerical simulation of peculiar velocities of galaxies' on a scale of 100 Mpc caused by an individual spherically symmetrical excess of density (an attractor). It is shown that the direction of the bulk motion of galaxies roughly agrees with the position of a distant attractor only and can deviate essentially from the position of a near attractor. We find a lower limit of distance to an attractor above which the position of the attractor can be found with an error no greater than 150. We obtain simple relationships which allow one to estimate the zone of an attractor on the sky and the distance to a remote attractor. We confirm that galaxy bulk motion observed up to 100 Mpc can be considered as the result of the joint gravitational influence of four attractors: Virgo cluster, Perseus-Pisces supercluster, Shapley concentration, and Great Attractor, the influense of the last-named one being dominant. The influence of these attractors on the Hubble constant value is less then 1 %.
Parnovskii S. L.
Tugai A. V.
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