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Tracing the Warm Hot Intergalactic Medium in the local Universe
M. Viel, E. Branchini, R. Cen +4
We present a simple method for tracing the spatial distribution and predicting the physical properties of the Warm-Hot Intergalactic Medium (WHIM), from the map of galaxy light in…
Massive galaxies at redshift 2 in cosmological hydrodynamic simulations
Kentaro Nagamine, Renyue Cen, Lars Hernquist +2
We study the properties of galaxies at z=2 in a Lambda cold dark matter universe, using two different types of hydrodynamic simulation methods -- Eulerian TVD and smoothed particle…
Radiative feedback from quasars and the growth of massive black holes in stellar spheroids
S. Yu. Sazonov, J. P. Ostriker, L. Ciotti +1
We discuss the importance of feedback via photoionization and Compton heating on the co-evolution of massive black holes (MBHs) at the center of spheroidal galaxies and their stell…
Physical effects on the Lyman-alpha forest flux power spectrum: damping wings, ionizing radiation fluctuations, and galactic winds
P. McDonald, U. Seljak, R. Cen +2
We explore several physical effects on the power spectrum of the Lyman-alpha forest transmitted flux. The effects we investigate here are usually not part of hydrodynamic simulatio…
Cosmological parameter analysis including SDSS Ly-alpha forest and galaxy bias: constraints on the primordial spectrum of fluctuations, neutrino mass, and dark energy
U. Seljak, A. Makarov, P. McDonald +18
We combine the constraints from the recent Ly-alpha forest and bias analysis of the SDSS with previous constraints from SDSS galaxy clustering, the latest supernovae, and WMAP . Co…
Gravitational lensing in a concordance LCDM universe: The importance of secondary matter along the line of sight
Joachim Wambsganss, Paul Bode, Jeremiah P. Ostriker
To date, in almost all strong gravitational lensing analyses for modeling giant arc systems and multiple quasar images, it has been assumed that all the deflecting matter is concen…