No back-side infall into the Great Attractor

Details No back-side infall into the Great Attractor No back-side infall into the Great Attractor

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...389l...5m&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 389, April 10, 1992, p. L5-L8.

Astronomy and Astrophysics

Astronomy

89

Astrometry, Astronomical Photometry, Local Group (Astronomy), Red Shift, Spiral Galaxies, Astronomical Models, Charge Coupled Devices, H Alpha Line, Relic Radiation, Strange Attractors

Scientific paper

The first results are presented of a survey of the peculiar velocities of 1355 spiral galaxies in the southern sky using the Tully-Fisher relation to estimate their distances. The most important result of these measurements is that no back-side infall into the Great Attractor is found, contrary to the findings of Dressler and Faber (1990); rather, evidence is found for a bulk flow of about 600 km/s on scales greater than 60/h Mpc. This, when added to the bulk flow of 450 km/s recently found by Willick (1990) in the opposite part of the sky, suggests that there is bulk flow in the supergalactic plane over very large scales greater than 130/h Mpc.

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