The velocity field in the Local Supercluster

Details The velocity field in the Local Supercluster The velocity field in the Local Supercluster

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...360..448h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 360, Sept. 10, 1990, p. 448-464.

Statistics

Computation

58

Galactic Clusters, Local Group (Astronomy), Velocity Distribution, Computational Astrophysics, Monte Carlo Method, Relic Radiation, Spiral Galaxies, Virgo Galactic Cluster

Scientific paper

A spiral galaxy sample out to 3000 km/sec is used in the present study of the Local Supercluster (LSC) velocity field, which is modeled to include spherically symmetric Virgocentric infall, 'great attractor' (GA) infall, and a random motion of the 'local anomally' with respect to its surroundings. The fitting method employed is able to compare the mass and galaxy number distributions, and implies that galaxies are more clustered than the underlying mass in the LSC. It is noted that the GA's tidal effect on the LSC cannot be misinterpreted as part of the Virgo inflow, when the GA inflow is turned off in the model fit.

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