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8 papers · 2 filters
Simulating Galaxy Formation
Matthias Steinmetz
A review on numerical simulations of galaxy formation is given. Different numerical methods to solve collisionless and gas dynamical systems are outlined and one particular simulat…
Doppler peaks and all that: CMB anisotropies and what they can tell us
Max Tegmark
The power spectrum of fluctuations in the cosmic microwave background (CMB) depends on most of the key cosmological parameters. Accurate future measurements of this power spectrum…
Constraints on massive black holes as dark matter candidates using Galactic globular clusters
Ralf Klessen, Andreas Burkert
This work considers the idea of massive black holes being the constituents of the Galactic dark matter halo. It constrains the maximum black hole mass to $\mbh \sil 5 \times 10^4 \…
Averaging inhomogeneous Newtonian cosmologies
Thomas Buchert, Juergen Ehlers
Idealizing matter as a pressureless fluid and representing its motion by a peculiar--velocity field superimposed on a homogeneous and isotropic Hubble expansion, we apply (Lagrangi…
Analytical Models For Galactic Nuclei
HongSheng Zhao
I present a general family of dynamical models with simple analytical potential-density pairs suited to model galactic bulges and nuclei with double power-law radial density profil…
Using the kinematic Sunyaev-Zeldovich effect to determine the peculiar velocities of clusters of galaxies
Martin G. Haehnelt, Max Tegmark
We have investigated the possibility of inferring peculiar velocities for clusters of galaxies from the Doppler shift of scattered cosmic microwave background (CMB) photons. We fin…