Redshifts of luminous spiral galaxies in the direction of the Great Attractor

Astronomy and Astrophysics – Astronomy

Scientific paper

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Red Shift, Spatial Distribution, Spiral Galaxies, Astronomical Spectroscopy, Galactic Clusters, Luminosity, Radial Velocity

Scientific paper

The spatial distribution of a homogeneous samples of luminous spirals in the direction of the 'Great Attractor' is studied. New radial velocities and published data yield redshifts for 94 percent of the sample. The present survey, which does not include the cores of the Hydra and Centaurus clusters, shows no evidence for a major excess of velocities at or near the redshift of the Great Attractor. Luminous spirals with redshifts in the range 2000-4000 km/s are mainly distributed in a small number of groups or clumps, whereas the spirals with redshifts in the range 4000-7000 km/s mostly appear to exhibit a rather smooth spatial distribution.

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