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On the Correlations of Massive Black Holes with their Host Galaxies
Gregory S. Novak, S. M. Faber, Avishai Dekel
We address the correlations of black hole (BH) mass with four different host-galaxy properties from eleven existing data sets. To guide theoretical understanding, we first try to q…
Do the low PN velocity dispersions around elliptical galaxies imply that these lack dark matter?
Gary A. Mamon, Avishai Dekel, Felix Stoehr
While kinematical modelling of the low PN velocity dispersions observed in the outer regions of elliptical galaxies suggest a lack of dark matter around these galaxies, we report o…
Origin of the Joint Distribution of Structural Parameters in Disc Galaxies
Aaron A. Dutton, Frank C. van den Bosch, Stephane Courteau +1
We use a simple model of disc-galaxy formation in the LCDM cosmology to simultaneously reproduce the slopes, zero-points, scatter and uncorrelated residuals in the observed velocit…
Lost & Found Dark Matter in Elliptical Galaxies
A. Dekel, F. Stoehr, G. A. Mamon +3
There is strong evidence that the mass in the Universe is dominated by dark matter, which exerts gravitational attraction but whose exact nature is unknown. In particular, all gala…