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Heating of Galactic Disks by Infalling Satellites
A. J. Benson, C. G. Lacey, C. S. Frenk +2
We develop an analytic model to calculate the rate at which galaxy disks are heated by dark matter substructures orbiting in their halos. The model takes into account the internal…
On the Origin of Intracluster Entropy
G. Mark Voit, Michael L. Balogh, Richard G. Bower +2
The entropy distribution of the intracluster medium and the shape of its confining potential well completely determine the X-ray properties of a relaxed cluster of galaxies, motiva…
What Shapes the Luminosity Function of Galaxies?
A. J. Benson, R. G. Bower, C. S. Frenk +3
We investigate the physical mechanisms that shape the luminosity function. Beginning with the mass function of dark matter halos, we show how gas cooling, photoionization, feedback…