Density distribution of matter on 75-Mpc scales derived by the POTENT method from the bulk motions of RFGC galaxies

Details Density distribution of matter on 75-Mpc scales derived by the POTENT method from the bulk motions of RFGC galaxies Density distribution of matter on 75-Mpc scales derived by the POTENT method from the bulk motions of RFGC galaxies

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006astl...32..287s&link_type=abstract

Astronomy Letters, vol. 32, Issue 5, p.287-296

Astronomy and Astrophysics

Astronomy

2

Pacs Numbers 98.65 Dx - 98.62 Ck - 98.65.-R

Scientific paper

The data on the peculiar velocities of 1493 RFGC flat spiral galaxies processed using the POTENT method allowed the density distribution of matter, including dark matter, on 75-Mpc scales to be reconstructed. Well-known attractors (the Great Attractor, the Perseus—Pisces and Coma superclusters) and voids are separated from the distribution. In general, the density distribution is close to that of IRAS galaxies, suggesting that the luminous-to-dark matter density ratio is constant. The masses of the main attractors were estimated.

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