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Cosmological MHD simulations of cluster formation with anisotropic thermal conduction
M. Ruszkowski, D. Lee, M. Bruggen +2
(abridged) The ICM has been suggested to be buoyantly unstable in the presence of magnetic field and anisotropic thermal conduction. We perform first cosmological simulations of ga…
Systematic Effects of Foreground Removal in 21cm Surveys of Reionization
Nada Petrovic, S. Peng Oh
It is well-known that foreground subtraction in 21cm surveys removes large scale power. We investigate associated systematic biases. We show that removing line-of-sight fluctuation…
Galaxy Motions, Turbulence and Conduction in Clusters of Galaxies
M. Ruszkowski, S. Peng Oh
Unopposed radiative cooling in clusters of galaxies results in excessive mass deposition rates. However, the cool cores of galaxy clusters are continuously heated by thermal conduc…
A gravitational lensing explanation for the excess of strong Mg-II absorbers in GRB afterglow spectra
Stuart Wyithe, S. Peng Oh, Bartosz Pindor
GRB afterglows offer a probe of the intergalactic medium out to high redshift which complements observations along more abundant quasar lines-of-sight. Although both quasars and GR…