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Constraints on the CMB Temperature Evolution using Multi-Band Measurements of the Sunyaev Zel'dovich Effect with the South Pole Telescope
A. Saro, J. Liu, J. J. Mohr +68
The adiabatic evolution of the temperature of the cosmic microwave background (CMB) is a key prediction of standard cosmology. We study deviations from the expected adiabatic evolu…
Is the Sunyaev-Zeldovich effect responsible for the observed steepening in the spectrum of the Coma radio halo ?
G. Brunetti, L. Rudnick, R. Cassano +3
The spectrum of the radio halo in the Coma cluster is measured over almost two decades in frequency. The current radio data show a steepening of the spectrum at higher frequencies,…
GPU Accelerated Particle Visualization with Splotch
Marzia Rivi, Claudio Gheller, Tim Dykes +2
Splotch is a rendering algorithm for exploration and visual discovery in particle-based datasets coming from astronomical observations or numerical simulations. The strengths of th…
Strong magnetic fields and large rotation measures in protogalaxies by supernova seeding
Alexander M. Beck, Klaus Dolag, Harald Lesch +1
We present a model for the seeding and evolution of magnetic fields in protogalaxies. Supernova (SN) explosions during the assembly of a protogalaxy provide magnetic seed fields, w…
Cosmological simulations of black hole growth: AGN luminosities and downsizing
Michaela Hirschmann, Klaus Dolag, Alexandro Saro +3
In this study, we present a detailed, statistical analysis of black hole growth and the evolution of active galactic nuclei (AGN) using cosmological hydrodynamic simulations run do…
Sussing Merger Trees: The Merger Trees Comparison Project
Chaichalit Srisawat, Alexander Knebe, Frazer R. Pearce +15
Merger trees follow the growth and merger of dark-matter haloes over cosmic history. As well as giving important insights into the growth of cosmic structure in their own right, th…