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Evidence for dark matter in different scales from the KLUN galaxy sample

M. O. Hanski·P. Teerikorpi·T. Ekholm·G. Theureau·Yu. Baryshev·G. Paturel·P. Lanoix
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Abstract

The KLUN (Kinematics of the Local UNiverse) sample of 6600 spiral galaxies is used in studying dark matter in different scales: Type dependence of the zero-point of Tully-Fisher relation indicates M/L \approx 9 -- 16 in galactic scale. Preliminary results from a study of selection effect influencing double galaxies give a larger value M/L \approx 30 -- 50. Study of the Perseus-Pisces supercluster, using Malmquist bias corrected TF distances and Tolman-Bondi solutions indicates M/L \approx 200 -- 600 for the large clusters. Application of developed version of Sandage-Tammann-Hardy test of the linearity of Hubble law inside the observed hierarchical (fractal) galaxy distribution up to 200 Mpc suggests that either Ω_0 is very small (0.01) or major part of the matter is uniformly distributed dark matter.

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M. O. Hanski, P. Teerikorpi, T. Ekholm, G. Theureau, Yu. Baryshev, G. Paturel, P. Lanoix. 1999-09-03. Evidence for dark matter in different scales from the KLUN galaxy sample. https://arxiv.org/abs/astro-ph/9909064

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