Density distribution of matter on 75-Mpc scales derived by the POTENT method from the bulk motions of RFGC galaxies |
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Authors: | P Yu Sharov S L Parnovsky |
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Institution: | (1) Astronomical Observatory, Taras Shevchenko Kiev National University, Kiev, Ukraine |
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Abstract: | 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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