Redshifts of groups and clusters in the rich superclusters 1451+22 and 1615+43

Details Redshifts of groups and clusters in the rich superclusters 1451+22 and 1615+43 Redshifts of groups and clusters in the rich superclusters 1451+22 and 1615+43

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...273...24c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 273, Oct. 1, 1983, p. 24-35.

Mathematics

Logic

25

Astronomical Spectroscopy, Galactic Clusters, Red Shift, Radial Velocity, Signal To Noise Ratios, Tables (Data), Universe

Scientific paper

Redshift measurements and finding charts are presented for galaxy clusters in the field of two rich, distant superclusters. Both systems are shown to have morphological and dynamical properties similar to the nearby superclusters, including small internal velocity dispersions and high density contrasts in redshift space. This data is consistent with two interpretations: either both superclusters are highly flattened systems with major axes close to the plane of the sky, or the observed velocity dispersions do not arise from unperturbed Hubble flow. If the latter explanation is correct, these radial velocity data are a powerful probe of the large scale matter density in the universe.

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